383 stroker - Team Camaro Tech
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post #1 of 3 (permalink) Old Jan 8th, 01, 05:22 PM Thread Starter
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Can anyone explain what a stroked engine is? Are they reliable as every day drivers? How do they get so much horsepower out of them.
Thanks Dan
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post #2 of 3 (permalink) Old Jan 8th, 01, 07:09 PM
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A "stroked" engine is any engine that has a crankshaft with a longer throw (the piston travels farther down the cylinder than with the normal crank) thus increasing the cubic inches of the engine (bore x stroke). Why do they make more horsepower? All things being equal (heads...camshaft) between a 350 and a 383 the 383 will make more power because it's a larger engine. Should make about 25+ more horses. The stroker engines you see in Summit or through GM also have better heads (more horses) and more aggressive camshaft profiles (more horses) which really start making more power. So you can't compare a stock 350 that's putting out a rated 200 hp. to a 383 that's been modified to be a better air pump which is all an engine really is anyway. IMO the real benefit of stroker engines is the increased torque. Torque is what gets you accelerating and for a street engine is what you should build for - try to maximize your torque in as large and flat of a power curve as possible.

Long-winded answer but it boils down to this. Compare apples to apples. When comparing two similarly prepared engines the bigger cubes will always make more power.
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post #3 of 3 (permalink) Old Jan 9th, 01, 03:29 AM Thread Starter
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Thanks. That clears up a lot!
Dan
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