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Old 09-25-2003, 02:57 PM
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Question hp of a 383 stroker

hello

I have a '65 Chevy step side with a 383 stroker and I just want to know how much HP is in a 383?

thanks
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Old 09-25-2003, 03:06 PM
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Id be happy to run it through Desktop Dyno except for two reasons, a. I don't have the program, and b. whoever does it will need a lot of specs, like detailed cam specs, heads, intake, carb, exhaust, vehicle wieght, etc. Someone will prolly be able to help you then...
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Old 09-25-2003, 03:56 PM
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much HP is in a 383?

Id say up to 500hp on a street engine and 750hp for a race engine n/a... a forced induction 383, Id say 1500 is proboly about it..
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Old 09-25-2003, 04:16 PM
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You'll never know with out all the specs. All 383's don't make the same power, so you won't get an answer. Find out what is inside, then ask, somebody will do that Desk top Dyno thing (it probably isn't right either).


bonuts
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Old 09-25-2003, 04:28 PM
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hp is hard to tell from ci.... what kind of heads and cam and exaust and compression and carb and intake and such are you running?? motors ussually follow 1ft-lbs of tourque per ci.... but even that changes a good bit depending on the rest of the set up... the block and such dont really make much hp... mostly the block tells more about the tourque of a motor... hp is all in the top end
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Old 11-02-2004, 10:14 PM
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I have a completely stock all original 1965 Plymouth Fury III.

With the stock motor (this is a Dodge block though) it puts out 260 hp @ 4400 rpm... It has a 2 barrel carb, 9.2 compression and a 3.375 stroke.

It's supposed to put out 270, but I'm sure this is because the car once sat for 20 years and all I did to it was replace a bent pushrod and give it an oil change after it ran about 50 miles. I bet just getting it hot tanked and balanced would give it that 10 hp back.

A four barrel carb jumps it quite a bit, the difference between the 2 and 4 barrel stock motors on my car is 45 hp, but I don't know if the 4 barrel has a different intake manf. or anything...

If you're just wondering whether you can get good horsepower out of it... Of course you can...

In my opinion any V8 thats a 327 or up is worth its metal... But if you want to just eat everyone else up, it's all about the big blocks buddy...
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