How much HP does a 383 stroker make?
The 383 stroker engines have been reported to achieve 330 horsepower with 410 foot-pounds of Torque, 395 horsepower with 410 foot-pounds of Torque and 395 horsepower with 410 foot-pounds of Torque.
How fast is a 383 stroker?
The stroke increases the rod main’s centerline diameter. The rod and piston have to travel in a larger diameter in the same engine rpm. This increases the piston speed, which makes the stroker pull more air at a lower engine rpm. A 383 has the same piston speed at 2,500 rpm that a 350 has at 3,100 rpm.
What size heads for 383 stroker?
MCSA is based on CID and rpm. A 383 that will see 5000 rpm max, a 170 ccc head will work just fine. A 383 that want to go to 7000 rpm then 210 cc head is what is needed.
Is a 383 stroker worth it?
Well-worth it for the added low-end torque, a mild 383 build is less than $200 more to put together than a 350. They’re so common now it seems hardly anyone builds up a 350 block without putting in a 3.75″ stroke crank.
Does a stroker kit add HP?
However, the horsepower output will largely depend on the overall combination you are using. We could take a 500″ short block and with stock heads and a mild cam, it might make around 450-475 horsepower.
Are Nkb heads any good?
The NKB cylinder heads are that “something better” coming along. We now use the NKB heads on all of our 350, 383, 400, 406, and 421 engines. The performance has been outstanding on every combination we have tried them on.
How do I get the most out of my Chevy 350?
How to Get More Horsepower Out of My Chevy 350 Small Block
- Modify your air intake.
- Modify your exhaust.
- Change your camshafts and valve train.
- Purchase new cylinder heads, or have yours ported and polished.
- Have your motor rebuilt and blueprinted.
Are stroker engines worth it?
A stroker kit is worth it if done properly and for the right price. You probably will lose a little fuel economy, but only because your foot will be heavier on the pedal.
Are stroker engines reliable?
A few years ago stroker motors weren’t very reliable but with testing and redesigning now they are almost as reliable as a stock motor as long as you treat them right.
Can you turbo a stroker?
Remember your stroker is a bigger motor, thus more air, fuel & exhaust. Thus they can spin a bigger turbo faster!
Where are Nkb heads made?
Melling springs are made in the USA. All of our engines using the NKB heads use these springs. Spring failures are near non-existent. We also offer a low cost spring upgrade for these heads.
Where are AFR heads made?
Valencia, California
Utilizing modern manufacturing techniques and the latest in machinery, such as a Browne & Sharpe Coordinate Measuring Machine, fifteen Haas’ 5-AXIS CNC machines, three Mazaks, two Newen Epoch machines and a Mori Seiki 32 pallet system, AFR stays true to this commitment by manufacturing each piece in our Valencia.
What is the best transmission for a 383 Stroker?
What is the Best Transmission for a 383 Stroker? TH400. This is an improvement over the TH350 and is more expensive than that model too. Powerglide. This is a two gear performance model for light vehicles, those that weigh under 1800 lbs. 700R4. If you have this, ditch the car and get a bicycle, this is not the best, it’s the worst transmission choice. GM200. 4L60-E.
What size carburetor do I need for a 383 Stroker?
The carburetor used depends on the type of engine and the use of the engine. For normal street driving with a 383 stroker engine, ChevyMania! recommends a 650 cfm carburetor.
What is the bore size for a Chevy 383 Stroker?
The 383 stroker engine has a bore of 4.03 inches and a stroke of 3.75 inches versus the GM 350’s bore of 4.00 inches and 3.48 inches of stroke.
How many liters is a 383 engine?
The RB (“raised B”) arrived one year after the launch of the B series engines, in 383 cu in (6.3 L) and 413 cu in (6.8 L) displacements. Unlike the previous B-engines, which had a 3 3 ⁄ 8 -inch (85.7 mm) stroke , the RB engines had a 3 3 ⁄ 4 -inch (95.3 mm) stroke.
