LS6/LS2 heads.. what to expect?
LS6/LS2 heads.. what to expect? Was wondering what kind of gains "if any" with just simply bolting a brand new set of 04 Z06 heads ( yellow springs/ orange valves) onto my 02 LS1 block?
I don't really drag race... just something fresh... you know..?
Here are my current mod's...
thanks..
lid,k&n filter,pacesetter long tubes,lanes true duals,ported TB, LS6 intake, RPM4 232/236 .595 .601 @ 114+2, ASP pulley,HP tuners tune.. backed by a Yank SY3500....?
Thanks for your time...
porting/polishing gets pretty expensive...
I don't really drag race... just something fresh... you know..?
Here are my current mod's...
thanks..
lid,k&n filter,pacesetter long tubes,lanes true duals,ported TB, LS6 intake, RPM4 232/236 .595 .601 @ 114+2, ASP pulley,HP tuners tune.. backed by a Yank SY3500....?
Thanks for your time...
porting/polishing gets pretty expensive...
on a stock engine i think about 15-20hp and on a modded motor like yours with that cam i would say a good 20-25hp.be sure to reduce timing because of the improved combustion chamber.
TECH Senior Member
Joined: Mar 2004
Posts: 14,620
Likes: 17
From: BFE
15 > 20 is a good guess. You'll benefit from the bump in SCR and the slight increase in flow.
If you do so just remember to get the 04 gasket too, and PTV allowing a thinner gasket will improve that even more.
But I think assembled LS6 heads are like $1200 or so + gaskets and bolts. (unless used)
So You could get a nice set of ported ones for around that price (give or take a 100 buckaroos), Patriot, TEA to name a couple
If you do so just remember to get the 04 gasket too, and PTV allowing a thinner gasket will improve that even more.
But I think assembled LS6 heads are like $1200 or so + gaskets and bolts. (unless used)
So You could get a nice set of ported ones for around that price (give or take a 100 buckaroos), Patriot, TEA to name a couple
Of course you will get better performance if you had them ported and polished, but the head stock isn't bad. I had mine that I just bought bench flow tested this week and will match a cam to those numbers. They almost can't be beat with the price I paid for mine.
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