Join Date: Jan 2008
Location: Seattle, WA area
Re: 70 Cougar turbo vids
Great stuff! Not only a Cougar, but turbo too. Nice. Though pushing 430+ at the wheels (approaching 500 at the crank) is not block-splitting territory on a good tune. If I may, I'd suggest a couple things to make more safe gains. First is AFR, and it appears you're still running rather rich. Pulling timing to avoid det is better for power than running richer. Assuming your fuel is 10% ethanol, a target of 12.3-12.7:1 would be a good place to do sweeps.
Second - locked timing leaves a lot on the table. To limit all the timing to a single point where det is most likely leaves the rest of the range lacking better timing, including peak HP. Controlled timing is something to consider for safe increases.
Can you post more of your dyno sheets, such as your timing sweeps and fuel tuning sweeps? You don't have to post dozens of sheets from a full tuning session - just a few to get a handle on trends the engine responded to. Thanks!
-=≡ If it was easy everyone would do it ≡=-
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