compression on a b20 w/ a itr head

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Feb 24, 2003 | 05:21 PM

NightHawkC5

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From: Glendale, CA, USA

compression on a b20 w/ a itr head

what is a safe compression to run on 91 to not detonate and crack a sleeve

Feb 24, 2003 | 06:54 PM

baonest1

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Re: compression on a b20 w/ a itr head (NightHawkC5)

with good tuning anything is possible

Feb 24, 2003 | 07:06 PM

Driver

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Re: compression on a b20 w/ a itr head (baonest)

11.6 well tuned 12.1 (safe)

Feb 24, 2003 | 07:25 PM

sgT

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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.

Feb 24, 2003 | 10:30 PM

NightHawkC5

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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

Feb 25, 2003 | 01:35 AM

Maximus

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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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