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Fuel Pump Cutoff Switch
Posted by Todd D. Levy (more from Todd D. Levy) on Mon, 02 Oct 2000 15:12:07
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I drive a 1990 9k Turbo with 120k+ miles...
My understanding is that the Fuel Pump Cutoff switch will activate when Turbo boost levels exceed 14 lbs. (factory stock setting). This is not normally an issue since stock versions of this model will generally max. out at 10-11 lbs. of boost.
I am installing a "red box" apc upgrade and I want to be able to take advantage of the maximum available boost this will give me (which will very likely exceed 14 lbs.).
I do have to option of disconnecting the Fuel Pump Cutoff switch but I would no longer have the other protection (activate this switch when RPM's exceed 6000) that is also set at the factory.
I would like to adjust the boost level at which this switch activates if possible. Detailed instructions would be appreciated. Thanks.
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