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Old 08-13-2002, 04:48 PM
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Default sleeves keep cracking

my friend has a b18c1 in his 93 hatch with je 9:1 pistons bored 20 over and stock everything else with tuned hondata 2b and running 15psi. He cracked the sleeves twice already and was wondering why its happening?
Old 08-13-2002, 04:50 PM
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Default Re: sleeves keep cracking (AznInvasion)

hmm, i wonder ..........15psi and .20 over. Those walls are kinda thin for 15 psi.
Old 08-13-2002, 04:53 PM
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Default Re: sleeves keep cracking (93LSivic)

yea, usually if you wanna boost 1 bar you should get 81.25 max with stock sleeves, just my opinion
Old 08-13-2002, 05:58 PM
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Default Re: sleeves keep cracking (AznInvasion)

The sleeves are cracking to detonation which probably means bad tuning. What octane are you using?
Old 08-13-2002, 06:06 PM
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Default Re: sleeves keep cracking (93LSivic)

hmm, i wonder ..........15psi and .20 over. Those walls are kinda thin for 15 psi.
Re-sleeved blocks can handle this though, correct??? I have dartons with a 25 overbore and will run 18psi with the hondata 4b fully built EVERYTHING as well as 720cc's, will i have sleeve cracking problems as well?
Old 08-13-2002, 06:19 PM
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Default Re: sleeves keep cracking (GudeH23a)

not with descent tuning, you shouldn't have a problem at all...
Old 08-13-2002, 06:23 PM
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Default Re: sleeves keep cracking (Pwerdr)

I don't think you should assume that without seeing the guts first.
Old 08-13-2002, 06:26 PM
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Default Re: sleeves keep cracking (GudeH23a)

hmm, i wonder ..........15psi and .20 over. Those walls are kinda thin for 15 psi.

Re-sleeved blocks can handle this though, correct??? I have dartons with a 25 overbore and will run 18psi with the hondata 4b fully built EVERYTHING as well as 720cc's, will i have sleeve cracking problems as well?
I dont think you will crack Dartons. They are so totally different than stock sleeves.
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