Don't forget that .1 gain in 60' can be worth .2 in the quarter, which is where the real effect of lightening the front of the car comes in, not to mention the positive effects on how the car reacts.
Oh. I thought that the saying was the tenth gained from the 100 lbs of weight is in the 1/4, not just in the 60'. I agree it would be a positive thing even if it was just .1 quicker in the 1/4. Either way about it I haven't raced enough to know how accurate that saying is.
If I can spend a little more money, make my car hook better, and pick up .1 (or more), and not have to lift some mega heavy heads (LOL!) that's way worth it to me.
Yeah we love aluminum for it's easiness on the back.:cheers:
Heres the article I was referencing earlier:
http://www.carcraft.com/techarticles/ccrp_0602_iron_versus_aluminum_cylinder_heads_test/index.html
Steve