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TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.

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Old 05-27-2009, 05:39 PM   #1
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Join Date: May 2008
Location: Colorado Springs
Posts: 52
Car: 92 RS, T-Tops
Engine: FIRST Injected Blueprint 383
Transmission: T5
Axle/Gears: 3.08

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Fuel pressure readings bouncy

My fuel pressure readings are bouncy after about 37lbs. If adjust them any lower they are steady eddy. Using an Aeromotive 13301 AFPR with the heavy spring installed. According to instructions , I should be able to get between 20-65 lbs.

i am also having problems getting over 45lbs when adjusting the regulator. I am also using an Autometer 0-60 lb mechanical FP guage installed directly on the APFR.

Any thoughts on either problem?
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FIRST Injected 383 Blueprint engine/ Jet Hot Hooker 2210s/ Mufflex Y pipe/ Magnaflow Converter and Catback/ McLeod clutch/ 17" WS6 wheels with Nitto 55s. Aeromotive AFPR
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