Holley fuel injection question
Thread Starter
Launching!
Joined: Aug 2010
Posts: 242
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Holley fuel injection question I have a holley dominater and I am trying to figure out why my tuner set up the boost vs rpm curve so strange. Basically he has at 12 lbs dome pressure until 5000 rpm then ramps it down steadily to 5 lbs at 7500 rpm. It just seems backwards to me.
TECH Addict
Joined: Dec 2004
Posts: 2,176
Likes: 626
From: Florida
it depends on your combo. on my evo i had to ramp down the bcs duty cycle past a certain rpm in order to keep the manifold boost flat. if i didnt ramp down duty cycle the boost would start going up.
Thread Starter
Launching!
Joined: Aug 2010
Posts: 242
Likes: 0
It just seems sow weird to have it start out so high and then drop with rpm. This is in a jet boat so the engine runs at a steady rpm. Can't seem to find anything on the net and the manual explains how I think it should go.
