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Old 04-26-2009, 12:51 PM   #1
midnite902
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What is the best Aftermarket heads for the LS7?

For you guys that have modded your Z06, what results did you get from aftermarket heads.
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Old 04-28-2009, 04:46 PM   #2
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If it is an LS7 you don't need after market heads.Do some research on them ,the LS7 flow very well and you can get them to flow even better with alittle work. I gained 30hp after I had my heads ported.If you look at the intake port you will be able to tell right away that compared to alot of other heads the LS7 can be called a high port cyl head.
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Old 04-28-2009, 04:53 PM   #3
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Quote:
Originally Posted by sky1 View Post
If it is an LS7 you don't need after market heads.Do some research on them ,the LS7 flow very well and you can get them to flow even better with alittle work. I gained 30hp after I had my heads ported.If you look at the intake port you will be able to tell right away that compared to alot of other heads the LS7 can be called a high port cyl head.
I have an LS7 shortblock. I am considering LPE CNC LS7 heads but thought I would ask about other options.

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C6 Z51 1SX, MN6, Stroked LS7 442ci, TrickFlow 225 Heads, 21CMC Road Race Cam, Kooks,
Balanced Z06 Clutch/Flywheel, Callaway CAI, Ported Fast90, Polished TB, LPE 100mm MAF, Brembo Gran Turismo,
Ron Davis Radiator, Dewitts Hi-Flow, CCW C-10 275s/325s Bridgestone RE05a

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Old 04-28-2009, 06:07 PM   #4
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The LS7 head is an awesome head. Already has Del Webb titanium valves and great intake ports. The key to waking them up is in the exhaust ports, and I suspect the LPE's will do all you want.

We do a CNC port on them, but it is pricey. Results are amazing though.
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Old 04-29-2009, 10:37 PM   #5
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LS7 Heads stock are an amazing piece. You don't need to do much to them. A little clean on the exhaust is about all you need. Value for $$ stock with a little cleaning is the way to go. You won't get much from an aftermarket head for what they cost.
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Old 04-30-2009, 04:29 PM   #6
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Agree - Just the exhaust side and then mill them down a little for more compression.

JG

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LS7 Heads stock are an amazing piece. You don't need to do much to them. A little clean on the exhaust is about all you need. Value for $$ stock with a little cleaning is the way to go. You won't get much from an aftermarket head for what they cost.
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Old 05-01-2009, 04:14 PM   #7
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Call Richard @ proheads.com. He does an amazing exhaust CNC job on the LS7 head.

The LS7 head with the exhaust work is one of the best flowing heads on the planet.
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My daily driven C6Z dyno chart on pump gas before meth injection was installed (without the Nitrous) and letting out at 4800 RPM: http://i44.tinypic.com/2aiovt2.jpg
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