What exactly is the weak spot in the LS1 bottom end?

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Jul 12, 2008 | 07:05 AM

#16

AL SS590 M6

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Joined: Jul 1998

Posts: 6,247

From: Charlotte,MI USA

Quote:

Originally Posted by Sparkz28ss

yes you can...just not much

You can NOT bore a 97-98 LS1 block at all. There's only .005 extra there for a clean up hone for new pistons.

Jul 12, 2008 | 01:35 PM

#17

Sparkz28ss

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Joined: Nov 2004

Posts: 977

From: ..behind you with a butter knife

Quote:

Originally Posted by AL SS590 M6

You can NOT bore a 97-98 LS1 block at all. There's only .005 extra there for a clean up hone for new pistons.

like i said...not much

Jul 13, 2008 | 08:05 AM

#18

AL SS590 M6

Moderator

Joined: Jul 1998

Posts: 6,247

From: Charlotte,MI USA

Quote:

Originally Posted by Sparkz28ss

like i said...not much

Boring is using a cutting tool to shave a larger amount out of the bore leaving around .005 for the hone.
Then it's honed the last .005 to get proper piston fit.

If you only have .005 from the factory you can't use a boring tool at all. With .005 you can only hone.