Heads or gears. Unless your very mechanical I'd suggest paying someone else to do the gears... obviously you can handle the heads. I have 3.73 and am pretty happy with them, 4.11 will also work if you don't do much hiway driving.
Consider gears as a mathmatical equation, affecting the leverage your car has (actually your engine). If you change from 2.72 to 3.73 you get a 37% increase in torque. 250 ft/lb + 37% = 342 ft/lb or torque. Not bad. You also get a 37% increaes in RPM at any given speed. Thats what overdrive is for, right? I'm not sure what the stock ratio or TQ is so these # might be a bit off. In my opinion gears are the biggest improvement you can make to a near stock vehicle. After gears all your other mods make just that much more improvement (say, 37%?)
Edit..
Oh yeah... check out weight reduction. Theres a ratio, I think it's like 7# rotating mass = 1hp (tires, rims, flywheel etc) and maybe 15# static = 1hp ( spare tire, hood, seats, interior etc). Those are #'s I'm trying to recall from years ago building snowmachines and I've allready had a few to drink so check somewhere if you want specifics. Some static weight savings is free, a good place to start. Not as significant in a car but on a sled a great place to start is getting in shape and loosing the beer belly!
I'm sorry, do you mean heads or headers? I'm pretty sure he's saying he's on a limited budget, so I think heads would probably be out of the question at this point. Unless of course he's pullin the GT40s off at the same time he's pullin the intake off of an explorer. Either way, I believe gears is the unanimous vote here, so hook 'em up, and let er rip.
motocrossed733 said:full posi or limited slip
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