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lt1 block cracked sleeve it ???BIGCOWL-IMP 01-04-2004, 08:09 PM Well the crack starts at the bottom of the bore #2 cyl. and goes up about half way. if i sleeve it will it leak?? i would start over with a new block but i have splayed main caps,cleared.bored this is a 396ci. anybody been though this ???? OneFlyn95z28 01-04-2004, 09:53 PM SOme will say yes some will say no. might try a search for the last month or so here. If you decide to build another block I may be interested in the one you have ;) Injuneer 01-05-2004, 07:21 AM You might want to nose around on "LT1 Tech"..... there was a thread last week that asked the usual question about "wahts the biggest LT1 I can build"...... and out of the blue comes a guy who claims he is running a 4.120" x 4.00" stroke 427 LT1, using sleeved cylinders. He includes some info on how it was done. Odd thing was, as I recall..... he was using an LT4 HOT cam in it, which must have been a little on the "mild" side :) OneFlyn95z28 01-05-2004, 07:40 AM Well I am also planning a 4.120+ bore but I aint going with a 4in stroke LOL. I will stay with my baby 3.75 stroke. Got a link? Injuneer 01-05-2004, 03:20 PM Thread with guy posting about his 427ci LT1.... http://web.camaross.com/forums/showthread.php?s=&threadid=208360 OneFlyn95z28 01-05-2004, 10:27 PM Thanks Fred!:bow: :bow: Jason Short 01-06-2004, 08:22 AM Ellis, I tried emailing you but it bounced back.... Anyway, are you resleving an LT1 block for your new build? Also, what are you doing with your old heads? Drop me an email jhsformula@aol.com Thanks, Jason OneFlyn95z28 01-06-2004, 08:47 AM Hey Jason tey again. I just put in Correct E-mail last night. SHould Be Cybergroo@technolust.net got_hp? 01-06-2004, 07:52 PM Originally posted by Jason Short Anyway, are you resleving an LT1 block for your new build? im also curious about if youre sleeving............the 4.12 with 3.75 stroke is 400ci right? OneFlyn95z28 01-06-2004, 09:10 PM We are looking at it yes. 4.1?? Bore by 3.75 stroke BIGCOWL-IMP 01-07-2004, 09:04 AM ya i keep forgetting about the search thingy well the blocks at the machine shop and they said they will not do it if they dont think it will seal i will let you know what happens in a couple days Jason the old heads are going on the 383 lt1 and its going in my other 95 imp. ss and im putting a trailor hitch on it to pull the other 396ci 95 imp ss BIGCOWL-IMP 01-14-2004, 10:50 PM well they called me and said it didn`t look good they tryed talking me into starting over with a new block and i agreed. Well 2 minites later i called them back and ask them to take .005-010 out and take a better look so they did and guess what ???????? there was no crack it was 2 pin holes so they sleved it and hone the other cylinders and im ready to go :D | ||