Why isn't my setup making the power expected?
The way I see it if you're gonna drop over $1500 on heads, might as well do it right the first time & get the good stuff.
Otherwise I'd recomend Jantzer's stuff.
Mike, The only major difference between the 5.7s and 5.3s is compression. The 5.3s undecked will yield about 10.8:1 compression.
Mike, The only major difference between the 5.7s and 5.3s is compression. The 5.3s undecked will yield about 10.8:1 compression.
If the AFR LS heads are anything like their Ford heads, this will be a great thing for the LS world.

