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General Buick Tech / Re: stupid fuel pressure question

« on: February 23 2021, 08:40:58 PM »

Hello, I'm new to this site and turbo Buicks.  I have an 86 T Type with a 60lbs injector turbo tweak combo, 255LPH fuel pump, and adjustable fuel pressure regulator.  I cannot get the pressure to go below below 45 lbs with vacuum line off.  I have also notice the pressure doesn't climb 1:1 with boost.  I have checked all the fuel lines and they are not blocked.  Any help appreciated...

Bill
ingle 255LPH Pump w/ QDto Barb Adapters for Buick1.00EA250 .000%250.002672-TBHW: Racetronix Buick Hot Wire Harness1.00EA6 2.000%62.003709-FI114961: 60LB Fuel Injectors DEKA EVO 1High Z6.00EA43.000%258.004788-BUICK5.7CHIP: TurboTweak Buick v5.7Chip1.00EA 109.000%109.005013-BREG: Buick Adjustable Fuel PressureRegula tor