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Old 01-19-2026, 11:11 AM   #19
Rydog2SS
 
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Drives: 2016 Nightfall Gray Camaro 2SS
Join Date: Dec 2018
Location: Florida
Posts: 17
For an update, I tried the rail sensor and removal of the factory check valve. It was neither of those items.

I installed my old LT1 HPFP and it worked perfect. I have just ordered a new LT4 HPFP, should be in on Wednesday so hopefully when I start it up with that, it will also be perfect. not sure i have it in me to take it apart for anything else again after taking it apart and putting it back together 4 times over the last week and half...
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2016 NFG 2SS.
Whipple 2.9, LT headers, Katech 103, Big Gulp, LT-4 Fuel, Alky Meth, FI Interchiller, BTR Stg 3 Cam, Forged Rods and Pistons, Circle D 258 - 860 WHP
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