Forced Induction Superchargers | Turbochargers | Intercoolers

max psi with just a front mount intercooler...

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Old Aug 15, 2005 | 07:31 PM
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Default max psi with just a front mount intercooler...

no meth or alky..just the intercooler on 93 octane. i know it will vary on compression, timing, weather and other variables. lets just say in the summer what kind of psi are you able to run just on 93 octane?

i did a search and didnt find to much.

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Old Aug 15, 2005 | 08:09 PM
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I am running 9psi right now, not enough fuel system to crank it up more, i also don't have knock retard on my BS3 unit yet, after I fix thoes things I'll see where my limit is.
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Old Aug 15, 2005 | 08:21 PM
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whats you static compression?
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Old Aug 16, 2005 | 12:00 AM
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9:1, Biggest FMIC I can find, twin 70s.
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Old Aug 16, 2005 | 01:53 AM
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I'm running 11 to 12 daily in my truck. Single 67mm, mid sized front mount. It was cool for the first time in a long while on the way to work monday morning. saw 14 to 15 on a few blasts, leaned out a bit as i'm taxing the fuel delivery with that much air, but still quite happy with it being 11.7:1 or so.

Still enough for the grin factor on the 4-2 kickdown shift, some tail wagging at 55 on 295's out back is just about right

93 pump fuel, not other injection (yet )
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Old Aug 16, 2005 | 02:08 AM
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The truck has what compression ratio?
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Old Aug 16, 2005 | 02:13 AM
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about 9:1, old pistons from the car (setup for 8.7:1 with a 72cc head). But I've got stock casting 5.3's on the truck. So it might be a hair over 9:1, never sat down and figured it out.
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