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compression on a b20 w/ a itr head

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Old 02-24-2003, 05:21 PM
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Default compression on a b20 w/ a itr head

what is a safe compression to run on 91 to not detonate and crack a sleeve
Old 02-24-2003, 06:54 PM
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Default Re: compression on a b20 w/ a itr head (NightHawkC5)

with good tuning anything is possible
Old 02-24-2003, 07:06 PM
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Default Re: compression on a b20 w/ a itr head (baonest)

11.6 well tuned 12.1 (safe)
Old 02-24-2003, 07:25 PM
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Default Re: compression on a b20 w/ a itr head (NightHawkC5)

its really hard to crack a sleeve with an NA setup.
B20B/Z blocks just tend to crack because they arent that strong.
Old 02-24-2003, 10:30 PM
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Default Re: compression on a b20 w/ a itr head (sgT)

cause the pistons im gettin are 12.5 but 11.7 with my setup so i dont know if i should take a layer of the headgasket off
Old 02-25-2003, 01:35 AM
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Default Re: compression on a b20 w/ a itr head (NightHawkC5)

Tuning is key in any situation. Importbuilders in Fullerton runs a couple of motors running 12:1 compression with 91 octane gas. 11.7 will be safe 12.5 will be pushing it.
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