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Old 03-02-2010, 02:28 PM   #1
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TBI Adjustable Fuel Pressure Range
I've read the range on the stock regulator goes from 10-15psi. I can't get more than 12psi on mine.

Has anybody had a similar issue?
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Old 03-02-2010, 03:04 PM   #2
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Re: TBI Adjustable Fuel Pressure Range
It may be that is all it can do. Many of us upgraded to a Delco TPI FP. Threre is also a slightly stiffer spring available at topdownsolutions.
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Old 03-02-2010, 04:09 PM   #3
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Re: TBI Adjustable Fuel Pressure Range
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Originally Posted by Ronny View Post
It may be that is all it can do. Many of us upgraded to a Delco TPI FP. Threre is also a slightly stiffer spring available at topdownsolutions.

Since I'm looking to eventually replace/rebuild my engine - could I still use a TPI FP and keep the fuel pressure within specs for my stock TBI?
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Old 03-02-2010, 04:22 PM   #4
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Re: TBI Adjustable Fuel Pressure Range
yes. your stock FPR will bleed off the excess pressure to gas tank. A Delco unit is highly recommended.
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Old 03-02-2010, 04:22 PM
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1987, 305, adjustable, adjusting, body, chevy, fuel, injection, pressure, range, rebuilding, tbi, throtal
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