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AFR and TFS headed 346 bottom end owners come in

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Old 10-11-2007, 03:52 PM
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Originally Posted by 99mongooSS
plus if he was to leave everything alone and take the prc heads and have them worked a little by hand well... I've seen those heads outflow aftermarket castings for 2/3rds the price.
hmmmm the only company I can think of off the op of my head that can work (port) the sh*t out of a stock ls1 or ls6 head is Cartek.

does anyone have any flow sheets on Cartek's 4X heads? Now I'm thinking of the 4X H/C verses to just TFS 215s.

Why wouldn't the MS3 work well with the 215s?

Last edited by c5_ls1_6spd; 10-11-2007 at 03:59 PM.
Old 10-11-2007, 03:53 PM
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Originally Posted by PortPros1
If you want to change heads and make a noticeable gain in HP go with a set of our L92 heads and manifold. The head flow 370cfm, cost $1699.00 plus the manifold. You'll spend close to the same money and make a very good gain in power. I would suggest going with a new cam as well.

I wouldn't switch from what you have to the 205's or 215's, if you want to stay with the LS6 heads go with a fully ported set of dart 225's. You will make more power but the L92's would make more.

If you have a built bottom end (forged pistons and rods) just add a 200 shot of nitrous.

If you have any questions please give me a call.

Thanks,
Harold
l92's and a 346 are bad mmm k
Old 10-11-2007, 04:00 PM
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Originally Posted by silver01z06
l92's and a 346 are bad mmm k
that's what I was thinking also. Those heads would be too big for 346ci.
Old 10-11-2007, 04:31 PM
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Originally Posted by c5_ls1_6spd
Why wouldn't the MS3 work well with the 215s?
Nevermind, I had a brain fart, I was thinking of one of the cams with LSK lobes.
Old 10-11-2007, 04:34 PM
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Originally Posted by 99mongooSS
plus if he was to leave everything alone and take the prc heads and have them worked a little by hand well... I've seen those heads outflow aftermarket castings for 2/3rds the price.
Dont always get cought up in flow numbers.....port velocity plays a big role in making power
Old 10-11-2007, 04:50 PM
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Originally Posted by Brian Tooley
Nevermind, I had a brain fart, I was thinking of one of the cams with LSK lobes.
Ahhhhh, you were thinking of the MS4. Why wouldn't the MS4 work with TFS 215s?
Old 10-11-2007, 06:31 PM
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Both heads are nice but for what you already $$$$ spent, the cost wouldn't be worth the reward.




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