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cnc porting and polishing

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Old Feb 25, 2008 | 09:08 PM
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Default cnc porting and polishing

is ther anyone who can cnc port and polish a set of ls6 heads or do you just have them hand ported and polished? what or who does this the best. im buying a set of ls6 heads for my ae 03 mn6 vert (lg street lt headers, bpp vortex cai). id like to get in the 425-435rwhp what size cam would i need to get there. im only using my car for street no track and want to stay very drivable no big cams. thanx brad (will also have a ported and polished tb and want to get the intake ported then dynoed)
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Old Feb 26, 2008 | 06:41 AM
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Default ls6 Heads

I sent email to Tracy at Rev-Extreme asking that same question about the LS6 heads. I would like to know of someone with a flowbench to test what work they do. Will let you know.
Pit
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Old Feb 26, 2008 | 01:37 PM
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I purchased a set of Patriot Performance Stage II heads. There CNC ported, better compression, Ti retainers, bigger valves, Gold springs and I only paid $1200. They will be installed very soon.

BC
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Old Feb 26, 2008 | 01:45 PM
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Originally Posted by Bill Curlee
I purchased a set of Patriot Performance Stage II heads. There CNC ported, better compression, Ti retainers, bigger valves, Gold springs and I only paid $1200. They will be installed very soon.

BC
Well? What are you waiting for?


Let us know how things work out and results, both dyno and on track.

Good Luck with that project Bill
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Old Feb 26, 2008 | 01:51 PM
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Originally Posted by AU N EGL
Well? What are you waiting for?


Let us know how things work out and results, both dyno and on track.

Good Luck with that project Bill

Here are some good porters of stock heads:

Livernois, PRC, Patriot You can send them in & all do a good job. Tony Mamo should also.
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Old Feb 26, 2008 | 02:21 PM
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I'd go with TEA(Total Engine Airflow) personally
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Old Feb 26, 2008 | 03:07 PM
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We have multiple CNC programs for the 243 castings.

We offer these heads in Stage 1, 2, 3, and 3R and also have two flowbenches (SuperFlow 600 and 1020).

Our stage 2 head/cam produces the numbers you are looking for.

Stage 2 Head Specs are as follows:

New GM LS2/LS6 243 casting
5 axis CNC machined
Fully assembled
220cc Intake Runner
Intake Flow Rate 305 CFM
Exhaust Flow Rate 235 CFM
New 2.000 intake valves / 1.550 exhaust valves
GM valve seals and locks
Livernois dual coil valve springs good to ~ .690 lift
Manley titanium retainers
No core required

$1,349.00

and the stage 2 cam specs are as follows:

232/232 .595/.595 114 LSA

$417.99

Feel free to pr or call me with any questions you may have.


Thank you

Regards,

Rick LeBlanc
Livernois Motorsports
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