LT1-LT4 Modifications 1993-97 Gen II Small Block V8

383 stroker crankshaft question

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Old 06-23-2008, 09:09 PM
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Default 383 stroker crankshaft question

alright, found out that my crankshaft/rod bearings are shot. My question is can i put a stroker crank in without any clearence issues or anything needed replaced. And would I gain anything by doing this powerwise?. I found a SCAT 383 stroker crank on ebay for about $200 shipped. any other suggestions would also be helpful, but i am on a very tight budget so replacing the whole bottom end would be a no go. Thanks
Old 06-23-2008, 09:12 PM
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i wouldnt trust a $200 scat crank from ebay....you get what you pay for. If you wanna end up rebuilding your motor again i say go ahead and do it...very tight budgets and performance rebuilds dont go together
Old 06-23-2008, 09:17 PM
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Clearencing would be a must. You will not gain anything worth a **** if you just stroke the bottom end w/ nothing else. I suggest having the bottom end rebuilt using as much of the original rotating assy. as you can and concentrate on your top top end. Increasing displacement and not accommodating the top end will do nothing impressive and you'd be extremely disappointed w/ the results.
Old 06-23-2008, 11:19 PM
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You would also need pistons at minimum. Sounds like you should just get another stock crank based on your budget.
Old 06-23-2008, 11:32 PM
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Yeah, i figured i would get new pistons and rings while everything is tore down, the motor has over 200,000 mi and still runs high 12's. but even with all that i still wouldn't gain much??
Old 06-24-2008, 05:15 AM
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It may not be necessary to get pistons. The bore can be measured by a competent machine shop (hopefully you have one of those around) and if the bore is still true then all you'd need is a hone, new rings and bearings.
Old 06-24-2008, 05:22 AM
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What SS RRR means is that if you stay stock stroke you may not need new pistons. With a stroker you absolutely do.

Making power is about airflow and the stock shortblock can move more air than the stock topend allows it too, hence adding displacement without upgrading the topend wont add power, you go cheap and it is likely to actually reduce power.



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