Can the LS1 be bored without resleeving.
10-27-2002, 07:25 PM
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Can the LS1 be bored without resleeving. Just as the topic says. I was wondering if i could bore it 60 over or just even 30 over without getting it resleeved.
10-27-2002, 08:30 PM
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Re: Can the LS1 be bored without resleeving. You can hone the block to a 3.905 size. This will clean it up and you will have round cylinders again. CP pistons makes a nice 3.905 piston and rings are available in this size. Dyno
10-27-2002, 10:16 PM
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Re: Can the LS1 be bored without resleeving. Sounds great. Yeah there is two small scratches in the #1 cyl. Nothing big just instead of swirling around the cyl the two spots go up and down.
10-28-2002, 01:09 AM
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Re: Can the LS1 be bored without resleeving. </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Just as the topic says. I was wondering if i could bore it 60 over or just even 30 over without getting it resleeved. </font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">What is the process for installing new sleevs?
I thought they were cast in not press fit.
I thought they were cast in not press fit.
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10-28-2002, 02:24 AM
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Re: Can the LS1 be bored without resleeving. From what I understand, you bore the sleeves out and to within .002" of the new sleeve size. And either the block was put in a oven or the sleeves were cooled (one of these things, not both, I just don't remember which) and pretty much drop right in to the block. They are left a few thousandths high also, and milled flush with the block. I also thought G.M. made a kit to go .005" or .010" for the '98-'99 blocks. And on the '00 and up you could go .030".
10-28-2002, 08:15 AM
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Re: Can the LS1 be bored without resleeving. </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by GeorgeC:
<strong>While it's not the norm, I have heard of/seen aluminum blocks going up to .050" over...</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Really?!!??! How is/has the block been holding up?
3.95" x 4.00" = 392 CID. Hmmmmm........
<strong>While it's not the norm, I have heard of/seen aluminum blocks going up to .050" over...</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Really?!!??! How is/has the block been holding up?
3.95" x 4.00" = 392 CID. Hmmmmm........
10-28-2002, 05:26 PM
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Re: Can the LS1 be bored without resleeving. The engine had some non-block related issues (with a wrist-pin), and the idea was scrapped in favor of the 382cid. The displacement worked out to 355cid.
10-28-2002, 06:53 PM
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Re: Can the LS1 be bored without resleeving. Opens up to alot of possibilities with that. Still not sure i want to be the one to test that out long term though. Looks like a 383 will work nicely. Just a little cleaning up and a new crank.
