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Old Apr 8, 2009 | 06:46 AM
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Default PR for new cam

Gonna be throwing in a Texas speed 233/239 112 into a 2002 z28 m6, stock heads, most bolt ons. bought tsp hardened moly' 7.4's...do I need longer?
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Old Apr 9, 2009 | 01:08 PM
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Same question...subscribing.
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Old Apr 10, 2009 | 10:52 AM
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Dont think so..... you should only need stock length but i would get hardened for sure. Check with the cam manufacturer though to be certain.
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Old Apr 12, 2009 | 02:00 AM
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update: possibly scoring some 243 heads: with ls2 valves, ported,new valve guides, 5 angle valve job, milled .030, double springs and ti retainers/locks. I currently have a new set of Texas speed hardened moly' 7.4's that I bought after I got my cam, hoping they will still work with these heads, if not guess i need some bigger ones.
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Old Apr 12, 2009 | 02:46 AM
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If the heads are milled you'll need shorter ones.
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Old Apr 12, 2009 | 07:08 AM
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you will need a push rod length checker with shorter PR's for milled heads. If they happen to be 7.250 i have a set that i will sell you.
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Old Apr 12, 2009 | 08:04 AM
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When you order your cam, add this:

http://texas-speed.com/shop/item.asp?itemid=913
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Old Apr 12, 2009 | 08:09 AM
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cam is already sitting on my dresser, I am gonna get a pr checker when I order my ported oil pump and ls2 chain I can sell the tsp 7.4's with my stock heads if I score the 243's. Ok, so the guy that's selling these mod 243's says that they were run perfectly fine on a twin turbo ss that had a forged 347 with LS7 lifters, 7.400 pushrods, Yella Terra rockers, and a wild cam with 240+ and 600+ lift on a 114 LSA and put down 700+ rwhp..is this legit, does he know his stuff? not knocking just trying to make an informed purchase..I know its nothing but a guess but would the tsp 7.350's even work with the milled 243's and my cam? kinda wanted to have their **** pushing their cam *shrug* can I run my stock ls1 rockers with these since they are sans pr's and rockers? don't really have the cash for $300+ roller rockers,

Thanks guys.

Respectfully,
RiceEaterZ

Last edited by RiceEaterZ; Apr 12, 2009 at 08:42 AM.
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Old Apr 12, 2009 | 08:56 AM
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Originally Posted by RiceEaterZ
cam is already sitting on my dresser, I am gonna get a pr checker when I order my ported oil pump and ls2 chain I can sell the tsp 7.4's with my stock heads if I score the 243's. Ok, so the guy that's selling these mod 243's says that they were run perfectly fine on a twin turbo ss that had a forged 347 with LS7 lifters, 7.400 pushrods, Yella Terra rockers, and a wild cam with 240+ and 600+ lift on a 114 LSA and put down 700+ rwhp..is this legit, does he know his stuff? not knocking just trying to make an informed purchase..I know its nothing but a guess but would the tsp 7.350's even work with the milled 243's and my cam? kinda wanted to have their **** pushing their cam *shrug* can I run my stock ls1 rockers with these since they are sans pr's and rockers? don't really have the cash for $300+ roller rockers,

Thanks guys.

Respectfully,
RiceEaterZ
You will need to measure PR length and your stock rockers will be fine. But with those heads milled I think you will have PTV issues with your cam......
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