If the FMTB is bored larger for more air, doesn't the 3" pipe just counter act it back to square one?

 

no, this is in the rubber way before the tb

 

The Cooper AT/3 is a great tire. I've had mine on for 20k miles or so now and you can hardly tell. The backs have worn slightly but that's to be expected, the fronts still look brand new, so I just rotated them and the good ones are in the back.

I live where it snows 6 months a year and although they're not specifically a snow tire, they're pretty good. Great in mud, my in-laws live 5 miles down a dirt road which turns to 12-18" deep ruts come April in mud season and they're great in the mud.

My father has the same tires on his F-150 and has no complants.

I previously had Nitto's and Toyo's and these are just as good performance wise, but are wearing better than either of those tires. I would buy them again.

 

V6, 42re (0.69 OD gear), 265/70-16's, 4.10's.

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Like a previous poster said don't waste your money on E3's. Tried and true for the 4.7 motor are NGK V-powers and with a tuner going with a range cooler helps so the NGK V power 2262 ZFR5F-11 is the one you want. I just went to them from the ZFR6F-11 and my truck livened up quite a bit. These motors like copper core plugs and you can get these for under $20 for all 8 shipped on Ebay.

 

I wish I had 4:10's... 3.92's anyway. I would have put in a set of 4.10's if it weren't for the fact its 4wd and I don't have the money to do both front and rear gears.

 

Awesome thanks for the heads up on the spark plugs. I really appreciate it, also magnethead, love the photos, really appreciate it. Gives me a good idea of what I'm getting into. Generally at this point I want to thank everyone for the advice.

Also so news update I now have to change out my y-pipe/cat, evidently according to the computers the left side just failed and I can buy a whole set up for not much more. I'm thinking this http://www.summitracing.com/parts/mpe-49600