Quote:
Originally Posted by Mark Leasure
Nothing beats a 4K rpm power band. Why did you run pump gas through it?
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If you scroll back a few pages there's some gunk building up on my intake valves, the intake ports, and the IM runners immediately opposite the injectors. I'm guessing I'm getting some form of the black e85 gunk build-up that some complain about. Car seemed a little down on power in December, so I ran a few tanks of gas through it based on the recommendation of Shane@DB, Aaron@ER, and a few others I trust (and it helped). Switched back to e70 for a while, and now I plan on putting a tank of BP93 through it every 4-6 weeks to help keep things squeeky clean.