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Originally Posted by camcojb
I understand the fuel pressure regulator it was the cheating part I didn't get! Obviously up the pressure will affect the A/F, but never considered it cheating. 
And the above is why I never use an EFI system that I don't tune myself. The tune and quality thereof is the key to a good EFI system, so these "closed" systems that can't be tweaked by the end-user do not appeal to me. |
I agree, thats why Im switching it this year, cant deal w the non tunability, but I only drove the car for 3 mo so I got used to it......then I dropped a valve seat, and now its getting modded.