Quote:
Originally Posted by OldSkoolToys
As with most things these days; probably emission / MPG ratings.
The gain in HP/TQ guys are getting from just a header and tune is rediculous. Add E85 to the tune and apparently, by their words, its a different engine.
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It's actually pretty glorious. More power throughout the band, the car just feels stronger and smoother. Honestly, feels like a bigger engine.
Quote:
Originally Posted by KendallH
It absolutely is. Initially with my car, I wasn't going to drink the tune "koolaid", but I recently purchased an OFT and I am running their "Stage 2" E85 tune with a cheapy header and a catback exhaust. The car now feels as it should have from the factory. There is no more waiting for acceleration and merging onto the highway is now confidence inspiring. The drawback is the fuel economy, but I am still doing the math on mileage/fuel cost and I believe it will be about the same cost as running 93 octane. The only real drawback so far is I'm now on a first name basis with the employees at the 2 E85 stations in town  |
Yeah, I did the analysis. On E85 it costs me 7.23 cents/mile and on 93 it costs 8.3 cents per mile. So, the E85 is cheaper!
That said, if my mpg goes down (calculated at 21 on E85), the price of E85 goes up (calculated at 1.59) or 93 goes down (calculated at 2.39), then that all could change. For me it would have to be quite the dramatic swing for me to consider no longer running it.
By far the best power mod for our cars in HP/$ = OFT+OFH+E85. I'm not sure what else can fix your torque dip and add 30-40whp for roughly $1000.