Will new LPFP affect tune at all?

[DADM0D]

I just had my car tuned and we were pushing the LPFP not quite to the max, but close. If I install a higher flow pump, will it affect anything with my tune? I don't think it should, but wanted to make sure....

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[b2point0h]

It will not. You'll still be limited by the HPFP line. I learned this first hand. Once you drill the line, you'll get a lot more flow and the commanded vs. actual fuel pressure will have an easier time staying in line.

 

[Vincent@27WON]

It will not. You'll still be limited by the HPFP line. I learned this first hand. Once you drill the line, you'll get a lot more flow and the commanded vs. actual fuel pressure will have an easier time staying in line.

^ this

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