LS1Camaro320

iTrader: (16)

I have a 98 Z28 and it's an M6. The mods right now are a lid, longtubes, duals with bullets, and 4.10s. I am planning on doing a heads and cam swap in a couple of months when I save up the money. At the time of the swap I will also be doing the timing chain, pushrods, oil pump, and pp throttle body and LS6 intake until I save up for a FAST. I am pretty set on getting the MS3 cam but haven't decided on which heads would be best yet. I have been looking at the PRC Stage 1 LS6 heads and their 5.3 heads. I don't have the $2,500 to lay down for AFRs. I am looking to make at least 450rwhp. So my queston is what heads do you think you be best for my goals.

Gun5

iTrader: (37)

probably some 5.3's

LS1Camaro320

iTrader: (16)

Which stage would you say, the 2.5s?

xBROKEx

iTrader: (7)

terminator head from TSP

COOKIE MONSTER

iTrader: (5)

PRC 5.3 stg 2.5 heads with the ms3. I got that same setup. put down 462rwhp

COOKIE MONSTER

iTrader: (5)

Terminator heads are more $$$ . You can get the stg 2.5s for 1199.99 (assembled)

xBROKEx

iTrader: (7)

true, just make sure you get the 2.02 valves in the 2.5L 5.3 heads and make sure they sink the valves to give you enough PTV clearence if you dont wanna flycut

COOKIE MONSTER

iTrader: (5)

X2, If you order your PRC heads through TSP, tell Jon, John, Trevor, whoever, that they're the MS3 cam and you dont wanna fly cut so they can set the valve clearance for you.

LS1Camaro320

iTrader: (16)

I definately don't want to fly cut

It looks like the 5.3s would reach my goal of at least 450rwhp, but what about the LS6s? Has anyone had any experience with these and would they make more or less hp than the 5.3s?

venom ws7

iTrader: (13)

Well both PRC Heads are great stg 2.5 5.3 OR LS6 Stg 2.5 you cant go wrong with either

I have a friend gained 35rwhp WITH PRC STG 1 LS6 Heads so stg 2.5 LS6 Will gain alot.

You dont need to flycut with either of those heads with MS3 just dont mill them.

Those heads are awesome great price and power I've ordered more than 10sets from TSP.

KingSS

iTrader: (1)

Roll the 5.3's bro, they have consistantly made good power with the MS3. I think you have to flycut if you went with the stg 2.5 LS6's. Ive got the MS3 with 2.5 5.3's, knocked down 475 rwhp with a fast 90mm set up.

2000Hawk

iTrader: (5)

The MS3 with the 5.3 Stage 2.5s put down some bad-*** numbers, i have yet to see a car with that set-up running a 90/90 thats put down below 450rwhp. You can't go wrong with TSP, their prices are very affordable.
-Joel

LS1Camaro320

iTrader: (16)

Alright thanks for all of your help. It looks like I will be going with the 5.3s when I save up enough money.

NC98Z

iTrader: (1)

PRC LS6 Stage 1 heads make 50 RWHP on my 98.