I think you guys are optomistic on your 1/4 mile times. A 3500 pound car like a early 70's muscle car say a Plymouth road runner with a 425 hp hemi big block would run upper 12's to low 13's at best at the strip. Add 2300 pounds like the Expedition has, and your going to need at least 550 hp to get those numbers, and 112 to 118 mph speeds. Take it to the track, would be interesting what #s they do put down. My guess is mid 13's, 100-107 mph on top.
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I'm all for goon behavior at the proper venue. That said, I do plan to hit the strip, this weekend.
0-60 with a 3.73 rear end @5.5 is totally believable if you drink the same kool-aid I've been drinking. My estimated weight of a small expy 4x4 full of fuel is 5865lbs from what I've been able to find.
Number next, Ford has OAR built in to their PCM/ecu strategy.
Number after that, ethanol has lower btu than pure gasoline.
It is reasonable to believe pure gas vs 10% ethanol -90% gasoline the non ethanol gas will have 10% more btu's than the 90/10 mix that is prevalent all over USA.
I've been running 93 octane with zero ethanol for a couple of weeks now, there is no doubt there is more power on tap than when 87 with 10% ethanol was in there, it is in fact, that noticeable. If I had an arduous commute to and from work, like when I lived in Dallas, I'd be an 87+10% ethanol goon. Gratefully, I'm not, and I enjoy the difference from simply good quality fuel.
What I'm most curious about, is once I do get timing light certified numbers, if they are anywhere within 2-tenths of what this little device has registered, I see zero value (at least at the current prices) for a tune, before upgrading to a massive CAC replacement, for almost the same money. Longevity in mind, the bigger CAC will do wonders for this little V6 than a $650 tune.
I'm not bashing these companies offering a tune, OR those who've ponied up the money for a tune. I'm simply not convinced it is as fantastic as those companies' are touting for the price. There's a lot that can be done, for pennies on the dollar, in comparison without worrying about your warranty. Sure some would say going to the strip, with or without a tune is reason enough for Ford to void the warranty.
To that I say, bahhh humbug, as long as it's a test and tune, and I'm not actively competing for prizes or money, there's no issue.
Several motorcycles, as well as a 1992 z-28 25th anniversary were never excluded from warranty coverage, and they all spent a lot of time at the dragstrip. The z-28 got a new transmission that had the higher stall converter of the Corvette, at 42,000 miles...in 1995
