LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Should I Buy this 383 Block?

Old 03-18-2019, 09:19 PM
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Should I Buy this 383 Block?

So im a complete noob when it comes to bottom ends. Mine is stock with LE2 heads and a lloyd elliot cam. There is a guy local to me selling a 383 short block for 1500 bucks. He says it has a Scat cast steel crank 9000 series, Scat forged I beam rods, Mahle forged pistons and new freeze plugs. says compression is 11ish:1. Does this sound like a decent bottom end for the price? Questions I should ask him? This is a daily driver car for me in the summer.
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Old 03-19-2019, 09:50 AM
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Re: Should I Buy this 383 Block?

The scat 9000 crank is said to be good for around 500fwhp and 6500 rpm. Anymore than that and a forged crank is recommended.
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Old 03-19-2019, 11:17 AM
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Re: Should I Buy this 383 Block?

Without checking all the bearing clearances, ring gaps, piston to cylinder clearance and a balance sheet you really don't know if it's even usable.

Good luck.
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Old 03-21-2019, 04:18 PM
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Re: Should I Buy this 383 Block?

Originally Posted by Victor1096 View Post
Questions I should ask him? .
ask "do you have the build/balance sheet"...if answer is no, walk away

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Old 03-25-2019, 10:27 AM
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Re: Should I Buy this 383 Block?

Interesting recent thread on another site, showing a bit of a problem on a 383ci LT1 using the Scat 9000 crank and rods:

Tony’s Z rebuild thread

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Old 04-02-2019, 08:47 AM
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Re: Should I Buy this 383 Block?

Originally Posted by Injuneer View Post
Interesting recent thread on another site, showing a bit of a problem on a 383ci LT1 using the Scat 9000 crank and rods:
Yep.....that can be an issue, right there.

KW
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