On a stock Chevy Trailblazer ss you will get about a 5.7sec 0-60mph. I added a tune and an air intake and I am getting about 4.8secs 0-60mph.
.060
.060
.060" for platnium
.060
5.3 Engine is .060
the spark gap .060
.060
10 degrees with a stock cam
ive heard you can go 60 over (.060)
6000/100
I've seen aftermarket pistons available in .060" oversize. Probably wouldn't want to try to go any bigger than that.
The spark plug gap for a Chevrolet Tahoe 5.7 350 Vortec should be set at .060 inches. This spark plug will be purchased preset from any auto parts store.