LS6 Heads+Hot Cam
!LS1 11 Second Club
Joined: Apr 2003
Posts: 7,133
Likes: 2
From: Miami
Originally Posted by mike#9
Like I said above.....that is the max I would hope for....but would be keeping my on eye on a lower number.
Launching!
Joined: Mar 2003
Posts: 294
Likes: 0
From: Nor Cal
Good question. Anyone paired this combo up yet. I just bought a 02 Z06. I had the ASA in my 02 Z28 and loved it. I am thinking about putting in my Z06 and would like to know if any one else has done it yet. If not I dont mind being the first and seeing what I can pull out of the combo.
anybody remember off hand the flow numbers of the GMMP heads off hand. i've seen them before but dont remember the low and mid lifts. if i remember right they peak at or just past .550 lift and were designed to be mated with the grand am cam. i dont think the HC or ASA would be able to take full advantage and i'd look into a head with smalller port volumes if one wanted to use the HC/ASA.
im a dumbass, i have the flow numbers here on my laptop 
from SDPC
.100 - 65
.200 - 138
.300 - 214
.400 - 261
.500 - 292
.525 - 295
.550 - 285
.600 - 282
from an MTI bench
.100 - 67
.200 - 142
.300 - 210
.400 - 254
.500 - 290
.550 - 304
.600 - 286
i dont know the benches, bore fixture's, if a radius plate was used, ect.
from SDPC
.100 - 65
.200 - 138
.300 - 214
.400 - 261
.500 - 292
.525 - 295
.550 - 285
.600 - 282
from an MTI bench
.100 - 67
.200 - 142
.300 - 210
.400 - 254
.500 - 290
.550 - 304
.600 - 286
i dont know the benches, bore fixture's, if a radius plate was used, ect.
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TECH Fanatic
iTrader: (3)
Joined: Mar 2003
Posts: 1,162
Likes: 0
From: Bensalem, Pa, now montreal, Quebec
damn for that price you mine as well get some AFRs no? ok im pretty much sold on the ASA cam, but should i do heads, im sure i could swing a cam kit and stuff, but heads are a bit much, would it be easy to replace the heads later if i chose?
Staging Lane
Joined: Apr 2004
Posts: 91
Likes: 0
Originally Posted by kskustoms
Is the intake runner on those heads really 250cc? That's huge, what are the flow #'s on that big of an intake?
FYI, I measured my heads, and the intakes are 240-241cc's. My chambers are 60.5cc. I read a few old posts on this forum about them, and the discription doesn't match my heads at all. Mine do not have any welding anywhere like the older GM LS6 CNC's had, they must have updated the program recently.
I wish AFR sold a set of their 205cc CNC heads with the stock LS6 valvetrain parts!
Ive got the H/C already.. I too have been tryin to decide on what heads. But I have always been about sticking to OEM parts. Just not sure if i want to go with another aftermarket head or oem worked head. Plus, how about this combo with N2O!!! 
