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stage II 243 livernois heads

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Old 01-10-2009, 01:54 AM
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Default stage II 243 livernois heads
does anybody know what brand valves livernois uses in their stage 2 ls6 heads?
i called livernois and asked them twice and i got 2 different answers. first they told me manley valves and the 2nd time they told me they use gm ls6 hollow stem valves. if anybody actually knows, just let me know
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Old 01-10-2009, 01:37 PM
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they are manley valves...i got a set im sellin for 1100 plus shipping if u havent bought them yet
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Old 01-10-2009, 05:10 PM
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i have the stage 2 heads, i just need a set of valves. the heads only had 8 miles on when the ptv issue went south and bent the valves pretty bad. i had the heads sent out and fixed and their was enough good valves to make one complete head. thats why i need to know what brand of valves they used
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Old 01-12-2009, 08:32 AM
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stg 2 heads used stock valves......stag 3 heads use manley valves
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Old 01-12-2009, 08:48 AM
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yea i have stage 3 livernois heads and they have the manley valves the shop that did mine also had their name engraved in them. i don't know about the stage 2 though
Attached Thumbnails stage II 243 livernois heads-new-heads.jpg   stage II 243 livernois heads-heads.jpg  
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Old 01-12-2009, 11:42 AM
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Originally Posted by 1bad lad
stg 2 heads used stock valves......stag 3 heads use manley valves
Troy is correct the stage 2 heads have stock (non-sodium) valves and the stage 3 and 3R have Manleys.

Regards,

Rick LeBlanc
Livernois Motorsports
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Old 01-12-2009, 06:44 PM
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hey rick what kind of power can i expect to see from these stage 2 heads goin to these from stock 243's?
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Old 01-12-2009, 09:46 PM
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thanks for the responses. it helps me out a ton!!
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Old 01-13-2009, 07:50 AM
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Originally Posted by LivernoisMotorsports
Troy is correct the stage 2 heads have stock (non-sodium) valves and the stage 3 and 3R have Manleys.

Regards,

Rick LeBlanc
Livernois Motorsports
thats what my stage2 have-stock valves, kinda surprised thought for that kind of money they would be stainless 1 pc valves
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Old 01-13-2009, 08:47 AM
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Originally Posted by 1bigcamdls6
hey rick what kind of power can i expect to see from these stage 2 heads goin to these from stock 243's?
The last Z06 we had here in the shop made 372 RWHP / 360 RWTQ stock and 440 RWHP / 380 RWTQ with stage 2 heads, stage 2 cam (232/232 .595/.595 114 LSA), Halltech CAI, Kooks Headers and X-Pipe w/ cats, stock catback, stock intake, stock TB.

Originally Posted by silverLSWON
thanks for the responses. it helps me out a ton!!
No problem. Please let us know if you have any other questions.

Originally Posted by zman1969
thats what my stage2 have-stock valves, kinda surprised thought for that kind of money they would be stainless 1 pc valves
Yes, as I mentioned above, the stage 3 and 3R have stainless valves and the stage 1 and 2 have stock valves.

Regards,

Rick LeBlanc
Livernois Motorsports
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Old 01-13-2009, 09:31 AM
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good lord 440 is damn good for all that stock stuff bein strapped to it...im hopin to make close to 470 with my mods
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Old 01-13-2009, 10:11 AM
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Originally Posted by 1bigcamdls6
good lord 440 is damn good for all that stock stuff bein strapped to it...im hopin to make close to 470 with my mods
Keep us updated on the results. I'd like to see what kind of power it makes your mods.

-Rick
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Old 01-13-2009, 11:03 AM
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no prob i will post graph
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Old 01-13-2009, 11:39 AM
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Originally Posted by LivernoisMotorsports
The last Z06 we had here in the shop made 372 RWHP / 360 RWTQ stock and 440 RWHP / 380 RWTQ with stage 2 heads, stage 2 cam (232/232 .595/.595 114 LSA), Halltech CAI, Kooks Headers and X-Pipe w/ cats, stock catback, stock intake, stock TB.



No problem. Please let us know if you have any other questions.



Yes, as I mentioned above, the stage 3 and 3R have stainless valves and the stage 1 and 2 have stock valves.

Regards,

Rick LeBlanc
Livernois Motorsports

Rick what do you think of the stage 2 and my setup thes heads have some very good mid lift numbers and that is were i can use some tq and hp

read sig for mods

Rob
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Old 01-13-2009, 03:07 PM
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Rob,

You have a pm.

Thank you

Rick

Originally Posted by 98blueSScamaro
Rick what do you think of the stage 2 and my setup thes heads have some very good mid lift numbers and that is were i can use some tq and hp

read sig for mods

Rob
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Old 01-13-2009, 09:35 PM
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car only managed 437 397 on a mustang dyno
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Old 01-14-2009, 08:46 AM
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Originally Posted by 1bigcamdls6
car only managed 437 397 on a mustang dyno
My C5 made 375 on our Mustang Dyno and 420 on our DynoJet doing back to back pulls. That's a 12% difference. Doing that math even with a 10% difference, that would put you at 480.

-Rick
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Old 01-14-2009, 09:05 AM
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Originally Posted by 1bigcamdls6
car only managed 437 397 on a mustang dyno
Not bad numbers for a stang dyno. Take it to the track and see what MPH it puts down, then you'll know where you are really at!!!
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Old 01-14-2009, 11:22 AM
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true true...although i may be tryin to sell this car cause @my buddies shop his friend is tryin to get rid of his c6z so i may be movin on to that one...45k isnt a bad deal for a c6z!
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Old 01-14-2009, 11:45 AM
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Originally Posted by 1bigcamdls6
true true...although i may be tryin to sell this car cause @my buddies shop his friend is tryin to get rid of his c6z so i may be movin on to that one...45k isnt a bad deal for a c6z!
Not a bad deal at all! I couldn't imagine buying one new and taking a 30k hit in that short of time.

FYI: A C6Z makes 400 RWHP on our Mustang Dyno and 440 RWHP on the Dyno Jet.

-Rick
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