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what heads to run with a ms4 cam?

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Old Aug 31, 2009 | 06:32 PM
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Default what heads to run with a ms4 cam?

ok im a ls1 newbie made the change from a 98 cobra i was wondering wats a really good head to run with my ms4 cam i have a 2000 ss a4 with ms4, stall, longtubes, 410s, 150 shot, ls6 intake, true dual exhaust and drag radials any input would be greatly appreciated
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Old Aug 31, 2009 | 07:09 PM
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how much can you spend?

above 2,000 look at TFS, AFR, PRC.
under that, a lot of places do real good work on LS6 heads.
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Old Sep 1, 2009 | 12:03 PM
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PRC 215 heads
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Old Sep 1, 2009 | 02:47 PM
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I second the PRC 215
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Old Sep 1, 2009 | 03:22 PM
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the MS4/PRC 215 combo is the current heads cam record holder set up... i cant really see arguing with that. Plus i was talking to the guys at TSP and i believe, dont quote me, that you can run the PRCs way down in CC size without flycutting.

Im looking at going with the PRCs too
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Old Sep 1, 2009 | 06:39 PM
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here are my PRC 215/MS4 results: https://ls1tech.com/forums/dynamomet...s6-intake.html
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Old Sep 1, 2009 | 08:07 PM
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Originally Posted by Honda Nick

those are the results i like to see

I plan on the 215s a parted 92/92 porth matched to the heads and then a 250 went shot

im a pay check away from placing my order
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Old Sep 1, 2009 | 11:41 PM
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I definitely need a 92 setup to get the most out of these heads.
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Old Sep 1, 2009 | 11:49 PM
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I'm in for the PRC 215s also!

You need upgrade your intake though.. The Ms4 likes to breath at 6k+ RPMs... The ls6 intake runs out of breath before then.. Expect a good 30rwhp to going from that to a (well ported) FAST 92/92.

What size converter you running?
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Old Sep 1, 2009 | 11:51 PM
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Originally Posted by Honda Nick
I definitely need a 92 setup to get the most out of these heads.
oh yeah a 92 set up would free up some nice power...

i plan on running the prc 215s with the tv3. ive heard some good things about these heads but they are new so not to many combos out there yet. i was planning on going with tfs but then u need to replace rockers and thats atleast another 450 plus the prcs flow a little better
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Old Sep 1, 2009 | 11:53 PM
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Originally Posted by transamfreak01
oh yeah a 92 set up would free up some nice power...

i plan on running the prc 215s with the tv3. ive heard some good things about these heads but they are new so not to many combos out there yet. i was planning on going with tfs but then u need to replace rockers and thats atleast another 450 plus the prcs flow a little better
I have not seen disappointing result from the PRC 215s..
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Old Sep 1, 2009 | 11:57 PM
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Originally Posted by lemons12
I have not seen disappointing result from the PRC 215s..
are those emmisions friendly or not?
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Old Sep 1, 2009 | 11:59 PM
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Im thinking about running this set-up now.
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Old Sep 2, 2009 | 12:05 AM
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Originally Posted by transamfreak01
are those emmisions friendly or not?
What is an ......em&m...i.....shoe...on...?



Not a clue man, I just know what makes power.. I live in TN!
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Old Sep 2, 2009 | 12:57 AM
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Originally Posted by transamfreak01
are those emmisions friendly or not?
lol at lemons


i doubt like hell these are emmisions friendly, i also doubt like hell that you are going to fail a sniffer test or visual because of the heads. you could always get the head decorative plate for the passangers head that would cover anything that says they werent stock
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Old Sep 2, 2009 | 09:13 AM
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Originally Posted by transamfreak01
are those emmisions friendly or not?
i do believe you are the first person to ever ask if heads are emissions riendly the cam and exhaust you choose will decide whether you are emissions legal.
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