Often asked: How To Build A 383 Small Block Chevy?

What is needed to make a 350 into a 383 stroker?

How to Convert a 350 Into a 383 Stroker

  1. Purchase and install a 383 stroker crankshaft, rod and 10.5-to-1 piston set.
  2. Install a set of four-bolt steel main caps over the center two crankshaft mains if you’re using a two-bolt-main block.
  3. Install a set of ported L31 Vortec cylinder heads.

What Block Do I need to build a 383 stroker?

See all 19 photos The 383 small-block recipe is one almost every enthusiast knows: mix a 0.030-over 350 block with the 3.750-inch crankshaft from a 400 engine to deliver the long-strong combination.

How much horsepower can you get out of a 383 stroker?

That combo would probably make around 465 hp and nearly 500 lb-ft, but at less rpm. But never mind that. The point here is 502 lb-ft at 4,700 rpm and 500-plus horsepower from 5,700-6,200 rpm.

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Hot Rod’s Proven Recipe For A Simple Chevy 383 That Knocks Down 500 HP And 500 LB-FT.

True 383 Power
RPM LB-FT HP
6,200 425 502

How much does it cost to build a 383 Chevy?

Re: Building a 383 Stroker, costs and challenges

You can put a 383 together to handle about 400-450 horses for probably $1500-$1600. That would be a short block. It’s probably possible to build it for around $1200 everything off a 400 and 350 except for new pistons, rings, and bearings.

Is a 400 small block better than a 350?

Overall, the 400 SBC is a really good block. They do come with a bit shorter connecting rods (5.565″ compared to 5.700″ for the 350) than do most of the other SBC engines out there.

Can I use 350 pistons in a 383?

If you use 400 rods (5.565) you can use 350 pistons. That is absolutely correct. A 350 with the normal 5.7in rod, or, a 383 with the shorter (5.565in) 400 rods will use the same piston. A 383 with the 350 style rods (5.7in) requires a piston with the wrist pin hole a little higher.

What year is the best Chevy 350 engine?

The 1975 version of the LT-1 ultimately succumbed to new emissions standards that brought its horsepower all the way down to 145 HP. The LT-1 was the last and arguably greatest of the old fuel-guzzling, emissions-spewing 350 engines. Those original LT-1s from 1970 will go down as some of the best engines of their time.

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.

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What is the benefit of a stroker motor?

A stroker is an engine that has been modified to increase the length of the stroke and therefore has a greater engine capacity. Its benefits are improved torque and power.

What is a Chevy 350 bored 30 over?

For a 350, the standard bore is 4.000″. Bored. 030over, it’s 4.030.

What’s the difference between a 383 and a 383 stroker?

It gets the extra inches from having only a larger bore, it still uses the stock stroke. A 383 Stroker is just the opposite, It uses the stock size bore but uses an aftermarket crank to get a longer stroke.

What size heads for 383 stroker?

Re: what heads would be best for a 383 stroker

I suggest a intake port volume of 195 to 210 cc for a strong High perf street strip 383. if you want out of the box best power the CNC ported heads make the most out of the box power. EG AFR 195 or AFR 210 Eliminators.

Can you get 500HP out of a 350?

Youcanget 500HP out of a 350 BUT because it is a small cubic inch engine it IS going to be peaky and won’t have much torque. As soon as that chain gets stuck, it’ll bog down and stop because it doesn’t have enough “torque” to rip that chain loose to keep cutting. Imagine having a car like that.

What size carburetor do I need for a 383 stroker?

What size carburetor do I need for a 383 stroker? For normal driving, we recommend a 650 cfm carburetor.

How do you tell if it’s a 383 stroker?

If the engine is internally balanced there is NO way of telling the engine is a 383 by looking. If it is externally balanced (most common) you can tell by the counterweight on the flexplate or the cut-away on the vibration dampener.

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