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#25: 08-19-2010, 07:40 PM
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Title: Monkey
Rank: Donating Member
Location: Raleigh, NC
Car: 1977 280z Turbo
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On older 80s and 90s cars they usually have a two-speed system with a resistor. Bypassing that can help because resistance in the system increases as the car ages. But with a PWM design there's not much of a point in completely bypassing the fuel pump module.