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Old 01-26-2010, 02:11 PM
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383 stroker question

i bought a s-10 from my dads buddy he said it had a 383 stroker in it ... and my dads friends neighbor that builds race cars says it wasnt a 383 stroker because u would tell by the sound of the engine and that the cam was just a small racing cam in it..

my question is how could i tell if my engine is a 383 stroker

if it isnt a 383 then its a normal 1977 small block 350

ty
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Old 01-26-2010, 02:18 PM
How fast is fast enough?
 
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remove a cylinder head, bring the cylinder to bottom dead center, if the distance from bottom dead center to the deck surface is 3.75" +/- .02" and the bore is 4.030" then you have a 383.

another option is to look for a part number on the piston, which still requires removal of the cylinder head and could be harder to track.
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Old 01-26-2010, 02:21 PM
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ahh.. seems like both are some work...

cant you look at the crank shaft and look up the ID #'s and see if it was from a 400 block?
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Old 01-26-2010, 02:23 PM
How fast is fast enough?
 
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#1 you need to drop the oil pan to find the crank shaft numbers

#2 what if the casting number is untracable

#3 what if the bore isn't 4"?

In short, no.
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Old 01-26-2010, 02:28 PM
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alright thanks man for your help i appreciate it
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Old 01-26-2010, 02:30 PM
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I don`t think you could line up 50 guys who can tell you difference in displacement of a small block by it`s exhaust note.
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Old 01-26-2010, 02:30 PM
How fast is fast enough?
 
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dude, please, if you listen to nothing else I told you BUY SOME BOOKS. EVEN USED ONES. You'll save yourself a lot of trouble.
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Old 01-26-2010, 02:35 PM
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meh .. ill learn as i go.. i always loved old muscle car/trucks just kinda dissapointing that the guy said it was a 383 stroker turns out my s-10 that he built for the track is slower then my 1995 taurus sho... -_- well i guess ill just have to live and learn and take this truck to the track... and figure **** out from their.
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Old 01-26-2010, 03:16 PM
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You need to have a longer talk with your dad's buddy! Short of pulling the heads or pan, that would seem like the easiest solution.
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Old 01-26-2010, 05:43 PM
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Quote:
Originally Posted by shadowsfall111
i bought a s-10 from my dads buddy he said it had a 383 stroker in it ... and my dads friends neighbor that builds race cars says it wasnt a 383 stroker because u would tell by the sound of the engine and that the cam was just a small racing cam in it..


ty
Tell it is a 383 or not by the sound!??! HAAAHAHAHAHA, thats funny. Wouldn't take any more advice from that guy, what a stooge
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Old 01-26-2010, 05:54 PM
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Look here>> Is it a 383 Stoker?
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Old 01-26-2010, 06:08 PM
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Wow! Somebody that can ID cubic inches by the exhaust note! I dunno bout yall but I seen him first! I can make millions off this guy! Let me go fire up the Mr. Fusion and my flux capasitor on my delorean and I`m off to get`em!
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Old 01-26-2010, 06:53 PM
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Actually, you can tell if it's got a 400 crank it it by looking at the damper, and at the end of the crank where the flexplate bolts on, and the flexplate itself. If it's a 400 crank, it will have a counterweighted damper and flexplate, and the crank should have a dowel in it so the flexplate/flywheel can only go on one way, which you can sometimes see if you look up at the flexplate bolts. Now that doesn't necessarily mean it's NOT a 3.75 stroke crank, it could be internally balanced, but if it has the counterweights, and doesn't rattle your teeth when you rev it up, it's definitely a 3.75" stroke crank.
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Old 01-26-2010, 07:26 PM
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Quote:
Originally Posted by shadowsfall111
meh .. ill learn as i go..
You're not going to get very far with a mindset like that. Reading is part of learning. Otherwise you run the risk of "learning" things from people like the doof that said he can tell the size of the engine by the sound of the exhaust...
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Old 01-26-2010, 08:26 PM
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its fine.. im sure what he meant is that it was just a normal 350... and not a stroker.. cause im sure u could tell a little.. idk who am i kidding..
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