So i put dual cobra pumps in this weekend and the car idles fine and runs rough under a load. I never got on it because i couldn't but sitting still it will rev clean. Do you have to get a retune after upgrading pumps? Right now i have 39lb inj., bap, and the dual cobra pumps. I was running 1 svt focus pump.:??:
Upgraded fuel pumps.....Tune Now???
- Thread starter 01laser
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