383 Vs 400

They are hard to see. Step 5: Camming the 383 with Edelbrock And Cloyes. My 383 is going to run a much bigger cam (Comp Cams 268), and I got a TBI spacer off of a early 454 TBI. 030" overbore and a 3. Best of all, if you are in the market for a crank, the extra stroke (and attending power increase) doesn't cost a cent, as whether cast or forged, a 350 crank generally costs the same as one for a 383 (Ford equivalent would be 302 vs 347). The use of cast crankshafts in 440's began in 1972. The 383 is a great engine, very powerful for its size, The 400 has the biggest bore, larger then a 440, The 400 has a low compression, but it has very good torque, what makes the 400 so popular is you can stroke it to the famous 451, those are torque monsters, I would say, just pick which one you like better, The price vs. A torque value of 400rw tq is excellent, which leads me to beleive that the dyno computer isnt giving you realistic power numbers since hp is just a calculation of torque. 300, making the support only less than half an inch narrower then the early 400 (still almost 90% of the width), and still over 1 1/4 inches wider then 383's and early 440's. There are number of factors that make me say this. what should i buld, the 400 will cost way more to build or shoul i buld a 383? i know its a chevy but bank for the buck the chevy motor will make more power and cost less. Pan is 7 deep, sump starts 5 from the front of the pan and is 8 long. Mopar b c e-body oem 383 400 440 engine mount brackets cuda charger gtx bee road. Or an engine shop that balances engines can help you if you want to use a standard flywheel. The color had to do with what make it was. I'd go with the 383 if you plan on putting some miles on it. 030" with a 3. Chevy Engine Kit - Chevy Stroker Kit, 350 Small Block, 355, 363, 383, 393, 396, 408, at GREAT Prices, Selection, Customer Service, and Low Shipping Rates All From COAST HIGH PERFORMANCE. Mains are aligned honed and block is machined on CNC Mill for stroker crank. Whether your vehicle is a Corvette, Camaro, Nova, Chevelle, or just an early 60's muscle car, we are here to help design and build the engine combination to match you with your vehicle. I had a holly 650cm on a 383. It was my understanding too that for Chrysler dropped 413's after 65 and in 66 it was 383's and 440's. 38" bore 400 block with a 3. Re: Performance of my 383 stroker! The Mercury 383 (as yours is flashed), is rated at 320 Propshaft horsepower. I have a '68 440 block that's been to the machine shop, zero decked, bored. 535" rod) Approximate Bobweight: 2150 Turn that docile factory 383 block into a fire breathing, pavement twisting engine of almost 500 cubic inches, and no one (even the car show judges) will ever be able to tell it's not a 383 until they go for a ride!. But not always. The 200 Series and 400 Series at their core are the same except you have more options and customizability available in the 400 Series. How big a difference would there be to start with a 383 HP block vs a std 400 block as the basis for a stroker motor? If I go with the 383, seems like the stroker options at. Argued November 5, 1980. The picture above is a file photo. I don't know the first thing about headswhat are you thinkin' for new ones? I'd like to see what kind of gains I can get from new heads and a cambut like I said, I don't know the first thing about either. The color had to do with what make it was. Flow figures vary on different benches. 595 lift, 244 degrees of duration @. Just beware I purchased any engine on ebay once and it was. com for: 5th Avenue ,Cirrus, Concorde, Conquest, , Cordoba, E Class, Imperial, LHS, Laser, Lebaron, New. I'm trying to locate some people I used to know; please click here for more details. Re: Why not build a 400 BB Mopar? I am a huge fan of the low deck B-engines. Supercharger February 3rd, 2014, 04:35 PM Being a guy who would only bother with a mouse for a truck, stroker, but not just to 350ci, make it a 383 and enjoy some grunt. 1) bore size: the 400 has the biggest starting bore @ 4. Jim is absolutely right about the 400 block. For EGR applications, This is for 400 V8s with OEM 4-bbl. 060" with a 3. Find CHEVROLET 6. Flow curves, CSA sizes, dyno results, independent flow curves, etc. (Oversquare is bore vs. 383 stroker Vs. The 400 crank changes the 383 to a total stroke of 3. A 421 needs a stroker crank which costs money. A 388 is a 350 block bored +0. MN2421 - Mopar 361, 383, 400 B Engines Fabricated Flat Valley Pan This fabricated valley pan uses "lips" along the sides fit to underneath the edge of the cylinder heads, making a tight seal and allowing the use of standard intake port gaskets. 575, while the "A" goes down to roughly 3. Mopar 383 400 426 440 Connecting Rods & BBM Stroker Rods by K1 Technologies. Who would have the knowledge on this that I could. Use 400 rods or 350 rods in 383? The Eagle rods are most likely better material, but after you grind a big chunk out of the cap/bolt is it still better? Also what is the length of the 400 rod vs the 5. The color had to do with what make it was. With a huge 4. Many people use the 400 rods in the 383 engines in order. Unpainted steel finish. I personally prefer a 383 combo because the parts for stroker 350's is a lot more plentiful and cost generally cheaper. From 1993 until 1999, the motor was a 383 Cu. A 383 has a 400 crank as you know. 030 overbore (which makes it a 407, though people call it a 406). When C&D tested a 1979 4-speed Trans Am with the emissions-controlled W72 400 engine, the one with a 220-hp net rating and the "T/A 6. Small Block Chevy Stroker 383 Cu. Sure, companies like Comp Cams, Crane, and Lunati can grind you a camshaft, custom or shelf, that can do a great job, it also depends on your combination of parts exactly. High flow runner design will handle the. Factory 383 crate motors are easily tweaked to 500 horsepower and the average 383 build typically achieves somewhere between 450-475 horsepower in street trim while more serious race oriented versions easily top 600-650 horsepower. Flow figures vary on different benches. On RB engines, 413-440 ci, there is a pad on the left front of the engine. My next motor will be 383. 060" oversized (4. Mopar 383 400 426 440 Connecting Rods & BBM Stroker Rods by K1 Technologies. There was a police option in the early '70s that I'm sure put out more than 1HP per cubic inch. 383 ENGINES 168 TOOTH EXTERNALLY BALANCED, (WEIGHTED). For example, most small block Ford blocks can only be bored. Cable, wire, and splices within or integral to other devices (e. stroker, for instance 4. 875" stroke. , having a. With the stock, 2bbl, Rochester carb put out about 185 HP, at 3250 RPM, but it had torque figures comparable to some big blocks; about 385 ft. Some where is a 1970 something Tech Notice that was issued from MoPar stating if Serious Racing was to be done - to use the 383/ 400 vs the 440. This is what most of our customers prefer when building there strip/street car. 030 bore and the 400 crank having the main journals cut down to the 350 bearing size, a 396 is just a slightly longer 3. Big Block Mopar 383, 400, 440, 426 Firing Order Slant-6 Mopar 170, 198, 225 Firing Order Small Block Mopar 273, 318, 340, 360 Firing Order. With the bore of a 350 and the stroke of the 400 you should have plenty of torque. 413/440 - B vs. Despite the best laid plans of men, camming your engine still remains a bit of magic. A high rod angle or low Rod Ratio creates a greater potential for accelerated wear to cylinder walls, pistons, and piston rings. The 400 is essentially just an over bored 383. This 400 HP 383 Stroker engine has a little more cam noise and power to make. The 360 is also easier (and a lot cheaper) to find. Designed by Ed Cole's group at Chevrolet to provide a more powerful engine for the 1955 Corvette than the model's original " Blue Flame" in-line six, the 162 hp (121 kW) 2-barrel debut version went from drawings to production in just 15 weeks. Moved Permanently. Same power and more torque than a 454 HO carbureted engine. Performer RPM 383; Intake Manifold is designed for 361-383-400 c. the overall condition. 535" rod) Approximate Bobweight: 2150 Turn that docile factory 383 block into a fire breathing, pavement twisting engine of almost 500 cubic inches, and no one (even the car show judges) will ever be able to tell it's not a 383 until they go for a ride!. A 383 Stroker Small Block Chevy is analyzed, assembled and dynoed. What Is the Difference Between a 350 Engine and a 400 Engine? by Moss Strohem Introduced in the mid 1950s, the small block Chevy (SBC) used a standard V-8 engine block design that was physically smaller and lighter than the Chevy big block engines. There are "383" cranks made by the aftermarket that do not need machining. The 383/388 SBC stroker has become one of the most popular engines in the history of the small block Chevy. Browse your favorite brands affordable prices free shipping on many items. • 4340 Forged Eagle crankshaft • 4340 Forged H beam rods. The 383 Super Commando was a slight performance upgrade producing 330 hp due to an unsilenced air cleaner and dual exhaust. The 400 blocks run hot and are very prone to cracks. This 383 has that high performance / muscle car sound without being over the top. Designed by Ed Cole's group at Chevrolet to provide a more powerful engine for the 1955 Corvette than the model's original " Blue Flame" in-line six, the 162 hp (121 kW) 2-barrel debut version went from drawings to production in just 15 weeks. Another downside of the 400 is that you have to use 400 heads or have others drilled to match the steam holes in the block. Inmar is the worlds largest privately held manufacturer of gasoline power inbosrd marine engines. I would sell the current motor as not to canabalize it for a 383. 750 (400) vs 4. In my 29+ years experience, the 400 block is THE best wedge block for performance engine builds. Shop for Edelbrock Performer series intake manifold bolt kit for Mopar 383, 400 and 440 - Not legal for sale/use on poll. For EGR applications, This is for 400 V8s with OEM 4-bbl. M/P '311 383/440 aluminum We often get requests to compare these "stock replacement" heads to heads that are not on this list, in other words raised port, "bolt-on" heads. OK, simple question. The simple fact that you can take a part from one and put it on another is great. A 421 needs a stroker crank which costs money. A 383 Stroker Small Block Chevy is analyzed, assembled and dynoed. 383 (1981) Upjohn Co. The legend just got better! These may look like the same street blocks that set the standard at drag strips for a generation, but they have a whole new attitude. I try to provide as much information as possible. A 350 just has to work harder to get the job done and if you already have the 400 SBC then it is a no brainer. Chrysler increased the bore size of the 383 to create the 400. It looks like about 3000. Uses Mopar mini starter in stock location. The HT383 small block crate engine can take your pre-1980 GM truck's capabilities to the next level - see images, dyno specs, installation info and more. a standard 455). 00 to rebuild myself and I can rebuild a 400 for around 1200. It ran great on flat ground, but got 8mpg. 00 to build a 383. A 383 has a 400 crank as you know. These require the use of specially balanced harmonic dampeners, torque converters and flywheels. CNC-Motorsports Chevy 383 stroker short blocks have quickly raised the bar to a new level in offering high quality performance short blocks at an affordable price. (2 x 383 engines over 20 yrs) If you use chev rod, get some good bolts fitted. Herein lies the challenge: Get the piston weight down. CNC dart short blocks have become a huge hit among racers and performance enthusiast all over the world. (On B engines, 351-400 ci, there is a pad on the right front of the engine below the distributor. since you're gonna be daily driving it, maybe get an edy rpm airgap and use a 1" spacer, it'll give ya all the torque you'll want for light to light and the spacer will help with upper rpm's some, not that you would really want to turn it harder than 6500-6700 rpmstroker's are torque motors and don't like alot of rpm, vic jr intake is a good intake but the dual plane will bring more. Use 400 rods or 350 rods in 383? The Eagle rods are most likely better material, but after you grind a big chunk out of the cap/bolt is it still better? Also what is the length of the 400 rod vs the 5. 383's were offered in both 2 barrel and 4 barrels versions and powered many. Chevy V8 Crankshaft Journal Sizes. The 400 crank changes the 383 to a total stroke of 3. )The stampings on the top of the block will look something like this:. Chevy 305 327 350 400 Ultimate Cam Kit - 254/264 Duration- High Torque+ Hardened Push rods (420"/443" Lift Cam) $259. ), the differences are few but significant. 300, making the support only less than half an inch narrower then the early 400 (still almost 90% of the width), and still over 1 1/4 inches wider then 383's and early 440's. Mopar 383 Intake Manifold. Just as an example, if you wanted a forged rotating assembly, 4340 crank and rods, and domed aluminum pistons, more than likely the 383 setup would be cheaper than for a 400 with same specs you would want. my car is not a y84 or something crazy, its just a plane jane 1980 trans am with a turd 301 in it. Flow figures vary on different benches. For the 400 in my '71, I had the heads surfaced just enough to clean up the gasket surface, use the steel shim head gasket, and chose a cam close to the specs for a 383 Magnum. Leave the 440's and 383's to the resto guys - for a killer motor in a tight package go for a 400B based 470 - it's a 4. While the 400 had a larger bore (barely by. Chevy Engine Kit - Chevy Stroker Kit, 400 Small Block, 406, 421, 427, 434, at GREAT Prices, Selection, Customer Service, and Low Shipping Rates All From COAST HIGH PERFORMANCE. Edelbrock 2186 Details Chrysler 361-400ci V8. A 383 is a 350 block with a 400 crank. a stock 400 and a 350 stroked to 383 have exactly the same stroke at 3. Small Block Chevy Stroker 383 Cu. Today the 383 is as commonplace as as any original Chevy V8. If you're looking for the best price on a 383 Stroker motor for sale, look no further. I am going to run a divorced vacuum referenced adjustable fuel pressure regulator that will make tuning waaaay easier, but just about everything else will stay the same. The 400 crank changes the 383 to a total stroke of 3. This made previously worthless worn out 440 cranks useable again. 020") than even a 440, I'd much rather have a 383. It looks like about 3000. Smith, 259 S. As for 2 bolt vs. 595 lift, 244 degrees of duration @. This 383 Chevy "Stroker" motor is a Speedway Exclusive! Machined and assembled at BluePrint Engines, each engine is dyno tested (includes individual dyno sheet) and comes with a 30 month/50,000 mile warranty. com, the most complete and fastest growing online source for all things Mopar. 00 and find you need a maine builder for a reilbe 4x4 motor you have motor the heads just go buy a 400. From 1993 until 1999, the motor was a 383 Cu. I'm debating over what to do with two engines that I have. For example, most small block Ford blocks can only be bored. 500 245 177. The rod angle has increased. Also the WOT RPM range for 383 (6. 50% down on credit card locks in price, engine ships when balance is paid in full, includes our Labor Day special of 10% off any engine, free shipping, and starter. Quick check for 383 B block (or 361, or 400) is that the pad is on the passenger side under the alternator. Center sump with 7 quart pan capacity. The stock replacement head are just that, a stock replacement head in a high performance version. Browse your favorite brands affordable prices free shipping on many items. Jim is absolutely right about the 400 block. 600 250 181. The great thing is that is even moderately priced home theater receivers now provide features and quality that just a couple of years ago would have commanded sky high prices. The standard issue 4-bbl motor had 325 horsepower. Since you probably will be rebuilding everything anyways, a good choice may be to find a 400 small block somehwhere for like $400. Mopar b c e-body oem 383 400 440 engine mount brackets cuda charger gtx bee road. 7 rods you have a rod bolt to pan rail issue & cam to rod bolt limitation. In stock form, the 340 is a better performance engine. would it realy hurt that bad to put a chevy motor in it?. This torque monster delivers 429 ft-lbs of raw torque at 3800 RPM to launch even the heaviest boats with authority. Some where is a 1970 something Tech Notice that was issued from MoPar stating if Serious Racing was to be done - to use the 383/ 400 vs the 440. 383's were offered in both 2 barrel and 4 barrels versions and powered many. 030 overbore (which makes it a 407, though people call it a 406). When equipped with the same marine exhaust headers as found on the 383 Scorpion®, this engine produces 370 HP and 456 ft-lbs of torque—more than a 502 carbureted engine. Automobile Engine Weights. Chevy V8 Crankshaft Journal Sizes. Chevy Engine Kit - Chevy Stroker Kit, 400 Small Block, 406, 421, 427, 434, at GREAT Prices, Selection, Customer Service, and Low Shipping Rates All From COAST HIGH PERFORMANCE. With the bore of a 350 and the stroke of the 400 you should have plenty of torque. The 383 was gradually detuned, as all smog motors were, and in 1972 it was replaced with the huge bore (4. 125" bore, so you'd need to bore the 383 roughly. 50% down on credit card locks in price, engine ships when balance is paid in full, includes our Labor Day special of 10% off any engine, free shipping, and starter. It's not the same. You have gained 20 horsepower, no way 110. How big a difference would there be to start with a 383 HP block vs a std 400 block as the basis for a stroker motor? If I go with the 383, seems like the stroker options at. Uses Mopar mini starter in stock location. If you are just looking to freshen up the top end, it will be hard to justify what you save on fuel compared to what it will cost you to convert. sbc 383 stroker engine 450 hp (when dyno tested with 750 double pumper carb) engine dress up kit included and installed. The 383 magnum V-8 engine features an unsilenced air cleaner, a special high-lift, high performance camshaft, windage tray and dual exhausts. 400 — Brought to you by Free Law Project, a non-profit dedicated to creating high quality open legal information. The color had to do with what make it was. I try to provide as much information as possible. Can anybody help please I am in the UK, I have a 65 Plymouth sports fury 3 commando 426 2 door but looking on line at casting numbers the 413 has same engine number as 426. harder or more expensive?). 350 is 5700cc and 400 is about 6600cc. • 400 peak horsepower, 420 peak torque • Complete and Dyno Tested Always wanted a 383 but don't want to break the bank? Our high performance "Weekend Warrior" Chevy 383 crate engines boast an honest 400+ horsepower and 420+ torque. 700 inch H-Beam rods and 3. The rod angle has increased. Mopar b c e-body oem 383 400 440 engine mount brackets cuda charger gtx bee road. And with the internal balance 383 and 400 cranks out now, the balancer and flywheel/flexplate aren't even and issue. Dont get me wrong my 383 runs great but a properly built 355 is no slouch. 030" overbore and a 3. since you're gonna be daily driving it, maybe get an edy rpm airgap and use a 1" spacer, it'll give ya all the torque you'll want for light to light and the spacer will help with upper rpm's some, not that you would really want to turn it harder than 6500-6700 rpmstroker's are torque motors and don't like alot of rpm, vic jr intake is a good intake but the dual plane will bring more. This 408 is just a 400 that has been bored to rebuild it. Unfollow chrysler 383 engine to stop getting updates on your eBay Feed. original chrysler parts with the special long bolt for the left side. While the 400 had a larger bore (barely by. 3 L) "Turbo-Fire" V8 was the first Chevrolet small-block, although the first Chevrolet V8 was produced from 1917 to 1918. The 400 does have a little bit different set up than a 350 as far as needing holes drilled in the heads for the steam passages on the block but its not a big deal. In my 29+ years experience, the 400 block is THE best wedge block for performance engine builds. The block is bored to 4. Big Block Chrysler Crankshaft | Dodge Plymouth Mopar 383 400 413 426W 426 Hemi 440 Crankshaft Catalog We have a large assortment of big block Mopar crankshaft models to choose from. Car lovers call it lopey, thumpy with name brands as COMP cam, Lunati and other major camshafts. You would be right except for one problem: You can't make huge increases in bore size, the block usually won't allow it. Today the 383 is as commonplace as as any original Chevy V8. It's going to be run on alky mostly. A head, oil pan, valve covers, intake, and so on can all be used on the 265 up to the 400(steam holes required for the heads) Ford couldn't even make one engine let alone a family of engine that can make that claim. United States. The only engine that surpasses it in volume is the production 305 and 350 SBC. Well I'm not sure which engine you will like better but a 383 sbc is a 350 block with a 4. Whether your vehicle is a Corvette, Camaro, Nova, Chevelle, or just an early 60's muscle car, we are here to help design and build the engine combination to match you with your vehicle. It should be checked with an ohm meter and should have 1. Shop for Edelbrock Performer series intake manifold bolt kit for Mopar 383, 400 and 440 - Not legal for sale/use on poll. 383 SBC stroker 485 hp/496 ft-lbs torque. Then, a little secret power adder, cough(pro-charger). 7 rod lenght. If one is talking a 383 Magnum (1968-1971) versus a 400 Magnum (1972-1978, though 1974 was the last year they were un-choked by catalytic converters, etc. 3 mm) was the largest used in any production Chrysler V8 at the date of its introduction. You can put bearing spacers in a 400 block and use a 383 crank (that's what I have) or just order a new Scat 9000 crank with the 400 main bearing diameter journals. Select motor type and/or bore size in Column 1. controlled veh. 383 Stroker Crate Engines for Sale Available in Short Block, Long Block and Turnkey. In the mid to late 60s the 383 was a great alternative for performance enthusiast who couldn't get a 440 V8 or 426 V8. I'm thinking of a good 400+ cu. The only downside to 400's is they have overheating issues when modded. My order of preference is: full roller 383 in post-86 block, FT 400 (if you know what you're doing with a 400/406), then FT 383. They are hard to see. Mopar 383 400 426 440 Connecting Rods & BBM Stroker Rods by K1 Technologies. Chevrolet added their revised cylinder heads that incorporate a new, high-rpm valvetrain to help the SP383 produce 435 horsepower and 445 lb-ft of torque. The engine had over 400 ft-lb of torque from 2500 to 5000 RPM. 125" bore, so you'd need to bore the 383 roughly. Even the HP's in RT chargers in 68 were turquoise but in road runners they were orange. Flywheel included. 2) is the same as the 350 MAG, 4800 - 5200. ), the differences are few but significant. 400" rod length and a 3. 300, making the support only less than half an inch narrower then the early 400 (still almost 90% of the width), and still over 1 1/4 inches wider then 383's and early 440's. United States. We can also custom paint your engine to match your vehicle at your. Big Block Mopars B Engines = 350*/361/383/400 RB Engines = 383*/413/426W/426H/440 * As rare as a free Steak Dinner. 800-inch stroke with 4. It will work for any street rod, muscle car, or truck and with the pump gas friendly 9/1 compression it is mild enough to be used as a daily driver. Your crankshaft may have been cut down in size previously by a machine shop. It was found in more family oriented cars like the Chrysler 300 and Newport as well as muscle cars like the Dodge Charger and Plymouth Barracuda. The block is bored to 4. Its bore of 4. Bigger bores unshroud the valves and allows the cylinder head to flow more air. In 1971 Chrysler used a cast crank in low performance 383 engines. 030 bore and the 400 crank having the main journals cut down to the 350 bearing size, a 396 is just a slightly longer 3. Big Block Mopar 383, 400, 440, 426 Firing Order Slant-6 Mopar 170, 198, 225 Firing Order Small Block Mopar 273, 318, 340, 360 Firing Order. Supercharger February 3rd, 2014, 04:35 PM Being a guy who would only bother with a mouse for a truck, stroker, but not just to 350ci, make it a 383 and enjoy some grunt. Big Block Chrysler Crankshaft | Dodge Plymouth Mopar 383 400 413 426W 426 Hemi 440 Crankshaft Catalog We have a large assortment of big block Mopar crankshaft models to choose from. You can buy a light weight flywheel that is counterbalanced for a 400 which is what a 383 is essentially. For example, most small block Ford blocks can only be bored. 1) bore size: the 400 has the biggest starting bore @ 4. 3L/383 Complete Engines for Chevy from the largest online selection at eBay. The creation of the Chevrolet 383 Stroker was born out of creativity. It should be checked with an ohm meter and should have 1. Chevy Engine Kit - Chevy Stroker Kit, 350 Small Block, 355, 363, 383, 393, 396, 408, at GREAT Prices, Selection, Customer Service, and Low Shipping Rates All From COAST HIGH PERFORMANCE. Jim is absolutely right about the 400 block. All differen't And the one guy who talked 350cc and 400cc,,,these are MAN motors,those 350cc and 400cc are for bikes. 3rd gen wins by 1 car. 1970-75 Dodge engine tune-up specifications including timing, dwell angle, and spark plug gap, and firing order. When it comes to cranking serious torque from the classic Small-Block, it's hard to beat the 383 stroker combination, which uses a long, 3. Big Block Mopar 383, 400, 440, 426 Firing Order Slant-6 Mopar 170, 198, 225 Firing Order Small Block Mopar 273, 318, 340, 360 Firing Order. Pan is 7 deep, sump starts 5 from the front of the pan and is 8 long. Another downside of the 400 is that you have to use 400 heads or have others drilled to match the steam holes in the block. stroker, for instance 4. compair I-beam rod built ups. a stock size of 4. On paper a 383 looks the best. 5" 130 tooth ring gear, neutral balance, precision ground, ready to install. In my 29+ years experience, the 400 block is THE best wedge block for performance engine builds. Decided January 13, 1981. com, the most complete and fastest growing online source for all things Mopar. Can be modified for 1972-73 340, 1971-92 360, 383/400/440 cast crank applications, as well as 1970-72 440 heavy rod (six pack) applications, $30 additional. All journal sizes are given in "STANDARD" sizes. Big Block Engines and Related Parts. It was my understanding too that for Chrysler dropped 413's after 65 and in 66 it was 383's and 440's. Motor All photos of the car painted white were taken when the car had a SBC motor. (2 x 383 engines over 20 yrs) If you use chev rod, get some good bolts fitted. Chevy Crate Engines With An Attitude. All cast cranks and certain forged steel cranks are externally balanced. what you need to consider w/ the 383 is the horsepower increase you are probable going to need to re prop the boat. Here is the 1972 400 block getting decked at Gray's Automotive. Flywheel included. if you wanted some more cubic inches and since you are getting custom pistons anyway you could offset grind the 383 crank from 3. We have compiled a list of the casting numbers for both the cylinder heads and engine blocks, to be used as a reference when searching the junkyard. The 383 'B" engine was an available option on most Chryslers musclecars of the late 60's and early 70's including Charger, Challenger, Road Runner, GTX, Super Bee and more. 7" 350 rod?. 8:1 compression, AFR 195 heads, RPM Air gap intake. The 1966-1967 383 had a 10:1 compression ratio. Chrysler Big Block (361, 383, 400, 413, 426, 440) to Chevy Powerglide, TH350, TH400, 700R4 and 200-4R transmissions. Proformance Unlimited takes great pride in all of our Chevy crate engines. The HT383 small block crate engine can take your pre-1980 GM truck's capabilities to the next level - see images, dyno specs, installation info and more. 90" offset ground 440 crank. The "B" measurement remains the same as the early 400 block at about. If you are just looking to freshen up the top end, it will be hard to justify what you save on fuel compared to what it will cost you to convert. 7 Chevy rods or budget permitting, the 6" aftermarket rods. 033 over bore was required. 700 257 185. Find Summit Racing® 355 or 383 Chevy Remanufactured Engine Blocks SUM-150100-30 and get Free Shipping on Orders Over $99 at Summit Racing! Turning a Chevy 350 into a 355 or 383 is a great way to get big power out of a little engine, but all of the precision machining involved can get tricky and expensive. Either one 'built to the hill' will eat Mustang GT's for breakfast. Same carb on a 400 sbc with the same result. The 200 Series and 400 Series at their core are the same except you have more options and customizability available in the 400 Series. 700 inch H-Beam rods and 3. Chevrolet added their revised cylinder heads that incorporate a new, high-rpm valvetrain to help the SP383 produce 435 horsepower and 445 lb-ft of torque. The gas mileage difference between the 2 engine choices mentioned. The reference piston is the stock replacement Silv-O-Lite piston for a 400 engine. I now have a 383 pushing 500hp & has spanked many 440s. decoding facility should prove to be a valuable resource for the MOPAR enthusiast. 750 stroke which delivers an extremely high amount of torque, you have to experience one to know how it feels. That car had a 3.