Heads on procharger???

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Apr 12, 2007 | 02:46 PM

BorlaTA

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Heads on procharger???

I saw the other procharger head threat but i had a little different selection on heads. Plan on ati procharger next year and i want to do heads first. I was looking at afr 225cc or lq9 patroit heads. Which is better for my set up. Also what do you think i will get out of the power gains.

Thank you guys.

Apr 12, 2007 | 06:35 PM

BorlaTA

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Anybody outthere???

Apr 12, 2007 | 06:53 PM

Jake@EPP

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From: Hell AFB

It really depends what the budget is? The afrs are pricy, but proven time and time again, the patriot is a all around awsome budget head that works great with FI and NA, for the $$ it is very worth it.

Are you planning on staying stock bottom end? If not then i would get heads, if you want only around 500hp then the stock heads are fine with 8psi with a ATI.

Apr 12, 2007 | 07:19 PM

mikep2002

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Hmmm I like the sound of those AFR 205 with the 76cc chamber on a 346/347!!! Ever so tempting.

Apr 12, 2007 | 08:35 PM

BorlaTA

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Difference between the afr 205cc and the 225??? Plus im on a stock bottom end.

Apr 12, 2007 | 09:15 PM

Jake@EPP

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From: Hell AFB

Quote:

Originally Posted by BorlaTA

Difference between the afr 205cc and the 225??? Plus im on a stock bottom end.

The 205s will have a better lower tq, while the 225s will sing up top.

Apr 13, 2007 | 05:44 PM

BorlaTA

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So from experience which heads are better and what hp gains could i expect from them. Or if u perfer something eles put it down and why.

Thanks

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Apr 14, 2007 | 05:54 AM

EPP

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A very good and inexpensive head to use is the Patriot LQ9 Stage 2 heads, which will drop your compression ratio slightly. We use these heads up through 16 psi, past that amount of psi, I would go with a thicker head deck, such as what the AFR heads come with. Bob

Apr 14, 2007 | 11:36 PM

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SVC707

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AFR's 225.... 707rwhp @9 psi

Apr 15, 2007 | 09:57 AM

#11

Bad30th

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From: San Diego, CA

I went with West Coast Racing Cylinder Heads (WCCH) stage 2 LS1 blower heads.

Lowered the compression a little with the 71cc chambers (9.4:1 with my -4cc pistons), and they are CNC ported with their Stage 2 port job. Richard is very helpful in discussing your goals and picking out what you need, and it won't break the bank.

I'm making 740+ torque on 8.5psi and a 50 shot with an LS6 cam and shorty headers - on STOCK cubes. (Well, 1 more ci than stock, W2W forged 347).

Rob (Bad30th)