C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Used block source?

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Old Dec 22, 2004 | 10:33 PM
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From: charlotte nc
Default Used block source?

Anyone have a source for an 87 through 90 corvette engine block? I'm looking for a bare block that is rebuildable. Thanks
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Old Dec 22, 2004 | 10:34 PM
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From: Kyle TX (Because Mojo Made me fill it in)
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What I've determined is that you are better off looking for one locally. The shipping would double the cost of a bare used block.
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Old Dec 23, 2004 | 12:53 AM
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Originally Posted by dwestsr
Anyone have a source for an 87 through 90 corvette engine block? I'm looking for a bare block that is rebuildable. Thanks
Your in Charlotte NC, doesn't it rain used race parts there
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Old Dec 23, 2004 | 02:17 AM
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The block is just a standard truck block nothing special about those years.
Just the intake is diff.
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Old Dec 23, 2004 | 04:49 AM
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Intakes are intakes, that's not special.
An 87-90 is a late model GM 350 block w 1 piece rear seal.
(should still have 4 bolt main caps) easy to find

An older 2 piece rear seal block should work basically the same except the rearseal and pan go to that block

For that matter on a street motor you could use a 400 ci 2 or 4 bolt main, w 2 piece rear seal, match the pan, but it's harder to find an original bore 400 w/o race history. need to mag the block for cracks etc

The intake will still bolt up but you'll have a bigger torquier motor and lots of new rotating assembly combinations

Evan
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Old Dec 23, 2004 | 05:01 AM
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oh yeah, just call the local machine shops, they have lines on all the blocks

Call Bill Hendren (Hendren Racing Engines) RUTHERFORDTON N.C. 828-286-0780
He's one of the best builders on the east coast and although he will tell you the Dart block far surpases a chevy block, He will know someone who has what you need.

BTW, you can buy a used street car block for $150-$300
but then it needs to be crack checked, bored, honed, hot tanked, magged, etc etc, and the block purchase and prep before building can easily run $1500 and take time.
You would need a very clean original bore and maybe get away w just a hone in order to use your stock pistons.
I suggest a new Dart Little M block for about $1800, bullet proof and ready to build. They come in 350 or 400 sizes
Evan
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Old Dec 23, 2004 | 08:40 AM
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87s not a four bolt main. Sorry.
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Old Dec 23, 2004 | 11:15 AM
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Any 1986 up, Gen I engine/block will do. None will be inferior to the Corvette, and many...better. Years back, I was looking for a 400 sbc core. The most economical way *I* found was in a 1970 Impala. I drove it home for $150.00 and let the kid use it for college until I needed the engine.

RACE ON!!!
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Old Dec 23, 2004 | 03:22 PM
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Originally Posted by dwestsr
Anyone have a source for an 87 through 90 corvette engine block? I'm looking for a bare block that is rebuildable. Thanks

If you are willing to drive to South Eastern Virginia(Va Beach area - Suffolk actually) I have one complete short block out of my 90 vette and another spare 4 bolt late model block(block only with main caps) that I will sell you. Contact me off the list if you are interested at
lpdesroche@direcway.com
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