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Old 01-09-2012   #4
scheides
flips McGee
 
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Re: Walbro 400 Fuel pump testing

SO. Yanked pump. Removed little filter thing, drilled siphon to 1.5mm. Reinstall, 42psi at idle and 46 with FPR off. Going in the right direction, I removed again and went to a 2mm bit. Reinstalled, back at 42psi at idle and 45-46 with the fpr removed. A little frustrated at the lack of change, I decided to leave it for now. I may eventually go down to 2.4mm but I want to make sure the siphon is still working properly.

Go for a rip, and yea...AFRs are notably better! I'm seeing 10.5 in a few spots!



Car rips, all 140lbs of spaz were with me tonight so I added that to the weight of the car
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