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H23 block bore

 
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Old 04-13-2010, 03:52 PM
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Icon5 H23 block bore

Right now as I'm typing this my H23 block is at the machine shop. The machinist can not find anything to tell him how much he can bore the block w/out making the cylinder walls to thin. He has 40 thousandths pistons ready to go in. He has to cut quite a bit due to serious gouges in the walls, and still b strong enough for NOS. What's the biggest bore you can go without going to 80 thousandths?
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Old 04-14-2010, 10:46 AM
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Re: H23 block bore

you did sleeve it right????
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Old 04-14-2010, 11:23 AM
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Icon2 Re: H23 block bore

Yes I am going to have them sleeve it, it's being built for NOS. So everything from the head bolts to head gasket, balancing the crank, but the problem is that the machine shop doesn't know how thick the walls are. He believes that he has to bore it 40 thousandths over due to heavy cylinder gouges!! But he cannot find any information on how big a bore he can go, without running into serious problems..
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Old 04-14-2010, 01:21 PM
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Re: H23 block bore

im confused, if you are sleeving it. . . . then why are you worried about the gouges in the factory sleeves??
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