TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Ajustable Fuel Regulator

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Old Apr 14, 2003 | 03:57 PM
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JesasaurusRex's Avatar
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Ajustable Fuel Regulator

In the middle of doing this, have the injector roof top removed the gold lil thing on the opposite side of the end of the screw, how do I get it out or must i drill it? Also the gasket I ripped while taking off the roof kragen have this replacement? Thanks
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Old Apr 14, 2003 | 04:55 PM
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From: San Jose, CA
Car: 2002 Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.23
kragen should have the gasket but you might have to buy it in a kit. And yes, the gold "plug" must be drilled out, at least thats how i got mine out.
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Old Apr 14, 2003 | 05:55 PM
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Aite i drilled it out, as for ajusting it, how much should I have to turn it?
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Old Apr 14, 2003 | 06:15 PM
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From: San Jose, CA
Car: 2002 Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.23
hard to tell, it seems like all TBI came from the factory with different fuel pressure settings, so basically, unless you have a gauge, just turn and test. Every 2.5 turns is 1 psi. I only have mine 2 turns from the lowest setting and i run at about 12psi (summit racing fuel pressure gauge).
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