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If I were buying a dedicated pair of track wheels, I would definitely be trying to purchase fully forged. I believe a difference would show up in the lap times, but they would also be stronger for the lighter weight.

Just so we are all talking about the same thing here, flow formed forged means that the rims are forged but the centers are cast. So if you can afford it, forged are better than flow formed. The question is whether you can afford it or not and whether it makes a difference. Ford sticks cast...

So why isn't anybody doing this?

E85 is about $2.80 here, so only about a dollar less than 93 octane.

Thank you for answering, though. I get it about stickier tires - that seems to overwhelm other changes. (I also read over at trackmustangsonline.com, including your thread and posts, trying to learn as much as I can)

The brakes are great on the GT, but the shorter stopping distance on the Dark Horse handling package has mostly to do with the tires, Trofeo RS. They are essentially track tires that give an insanely short stopping distance due to enormous amounts of grip on asphalt.

It is never exactly or consistently E85 anywhere and can be as low as E50. The range you describe, 51% to 83%, is typical, with winter blends having less alcohol than summer.

So a question from somebody who has never changed alignment for the track: Does this make a huge or significant difference in lateral grip that you can feel while in the turns, at much higher speeds? Or is it a minimal amount but everything counts in small amounts?

Maybe I am showing my age to like a wheel with those bolt heads showing all the way around inside the lip, but that bronze/black wheel is a good looking wheel.

My major concern with E85 is the very small gas tank on these Mustangs. I actually drive mine.

So you just put on the 3.5 and drive around on the street, get groceries?

Has anybody else been able to replicate this?

What e.t. is yours running on E30 and, I assume, no tuning but the Whipple tune.

What tires did you run, and what sort of air temperatures up there in Canada in October? Any issues with getting the tires hot enough to stick?

Mine does

Technology keeps moving forward. Both engines and oils are way better than half a century ago, and probably better than a decade ago. I haven't kept up with it all, but oil is improving over time.

Oops, sorry, wrong post

Just FYI, Ford Motorcraft full synthetic is five bucks and some change per quart at RockAuto.com

So the open breathers I ran in the 80s and 90s, and the hose down to the header to draft vacuum from the valve cover breather as some ran, probably are a no go from the factory by Ford? :shock:

Could be a host of other factors affecting mileage, even the fuel blend in that area changing. I saw a claim of 5.5 mpg from switching oil online elsewhere. I have doubts.