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09-12-2015, 03:26 PM #1
Finally a 1/4 mile run. Stock turbo XI record?
I finally took the 3 hour drive last night, and went to my closest 1/4 mile track in Epping, NH.
It was a blast and well worth the drive! Met a lot of cool people!
I made a couple revisions to my tune since I last ran in the 1/8th mile. I did remove my seats, but I had more a lot more fuel and tools I took down with me, so my weight was about the same.
I am VERY happy with my results. Done on 93 pump gas with meth injection. I did up the nozzle size from the 375ml one to the 625ml. To be honest, I think it was a mistake and it is to much for a single port injection. The car ran smoother with the 375ml one and AFR was easier to control.
I made about 15 runs. Every run I was 11.7-11.8@118 MPH no matter what I changed. I MAY be able to squeeze a mph out with vanos changes, but I really doubt it. I think until I actually upgrade my intercooler, I won't be able to make any more power out of this setup.
I think the stock turbo XI record was 11.7. For the record, my modifications are as such:
Mr.5 Intake mod
Gutted Cats
Water injection 625ml nozzle 100% meth.
GTR Spark plugs
Stock everything else, down the to wheels even.2008 E90 335XI A/T. Mr.5 intake, gutted cats, self tuned, meth injection(625ml nozzle), 93 octane e10 fuel.
Best 1/4: 11.5@122
Best 1/8: [email protected] (1/8th mile only run)
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