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What boost psi are you twin screw and roots blower guys activating alky injection?

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Old 08-19-2005, 10:12 AM
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Default What boost psi are you twin screw and roots blower guys activating alky injection?

I am about to hook my SMC kit back up. It currently is set to come on around 4psi. I am running between 10-11 pounds of boost. Any input on when to activate it would be great.

Thanks,
Randy
Old 08-19-2005, 10:23 AM
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4 psi. for 9-10psi boost with Meth.
Old 08-19-2005, 12:32 PM
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Mine comes on about 8-9 psi but I'm running 20+ psi of boost. I'd say having it start at 4-5 psi is about right, especially if it has a controller to ramp up the pump speed.

Jody
Old 08-19-2005, 01:12 PM
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It's not a progressive kit. I do plan to upgrade to a progressive controller, but it will be a while.
Old 08-20-2005, 11:27 AM
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The STS kit comes pre set at 4 PSI.
Old 08-20-2005, 07:00 PM
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I have my SMC kit set to come on at 5 psi.
Old 08-20-2005, 08:23 PM
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Mine is set at 4 or 5 PSI...can't tell exactly as it is activated by a Hobbs switch which isn't calibrated nor labeled. Keeps the meth from coming on under 'normal' acceleration (which I rarely see ).
Old 08-20-2005, 10:11 PM
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I'm gonna set mine to come on at 4lbs boost and go max at 8lbs.
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