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

400ci Block....

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Old Jun 26, 2002 | 09:32 PM
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OrangeC4's Avatar
OrangeC4
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Drifting
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From: Back in San Diego Ca
Default 400ci Block....

My LS-1 project went south when I found a crack in one of the cylinders. So, I am going back to my de-stroked motor. As for the 400ci block. Do they make a 400ci block, or do I just bore out a 350ci to achieve this? Reason I am asking is for the motor mounts.
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Old Jun 26, 2002 | 09:48 PM
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James94LT1's Avatar
James94LT1
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From: MO
Default Re: 400ci Block.... (OrangeC4)

You'll need a 400 block. They were found in 70's impalas/trucks/stationwagons.

Try to find one that hasn't been bored. They are getting real rare and kinda pricy in some areas.
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Old Jun 26, 2002 | 09:51 PM
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From: Battle Ground, WA
Default Re: 400ci Block.... (OrangeC4)

Check local machine shops. I found mine there, and I got the block for $300 as long as they did the machine work...

Ends up $700 total after the machining.
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