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how much boost is safe

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Old 06-12-2009, 04:07 AM
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Originally Posted by avalanchett
thanks guys i am running 9 psi making 450 to wheels with 14 timing.. so this is saffe?
Safer than 14 psi @22* Whats your AFR at WOT?
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Old 06-12-2009, 01:50 PM
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im thinking about running about up to 15psi thru my 5.3 project
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Old 06-12-2009, 02:19 PM
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Im goin to run as much as a 60mm will on a 4.8 and then spray it with a "small" shot...
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Old 06-12-2009, 02:33 PM
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Im running 12 on my stockish block. Its all in the tune like these guys above said
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Old 06-12-2009, 03:02 PM
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Ducky, do you know about what timing you are seeing on 12#? and im guessing 93 octane?
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Old 06-12-2009, 03:09 PM
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I'm at 7-8 psi at 18* timing on 93 octane.
11.5 AFR at WOT
No knock.

Gonna bump up the boost to 10-12 this weekend.
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