MS4 cam question?
Racer
Joined: May 2006
Posts: 406
Likes: 0
From: San Antonio TX
i have the MS4, but on stock LS6 heads. as for your question, you should be fine so long as the valve's are stock size and the heads are not milled. to be sure, i would call texas speed directly! good luck and you will love the cam, see my sig for results on a pretty simple yet effective setup 
Safety Car
Joined: Jul 2001
Posts: 3,667
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From: TurtleCreek Twp Ohio
Cruise-In III Veteran
Thread Starter
Burning Brakes
Joined: Dec 2006
Posts: 1,028
Likes: 93
From: indianapolis in
Thread Starter
Burning Brakes
Joined: Dec 2006
Posts: 1,028
Likes: 93
From: indianapolis in
i have the MS4, but on stock LS6 heads. as for your question, you should be fine so long as the valve's are stock size and the heads are not milled. to be sure, i would call texas speed directly! good luck and you will love the cam, see my sig for results on a pretty simple yet effective setup
, so with MS4 and Patriot head shoul give me 470RWH.. plus 150 shots or maybe just 100 shots.. 
Racer
Joined: Mar 2007
Posts: 471
Likes: 2
From: Hillsboro MO
If you have the oversized valves in the 5.3L heads, the valves will have piston to valve clearance issues (will hit) unless you have the stock pistons flycut or stock valves sizes. I would make sure of the exact setup you have before they are installed
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Racer
Joined: May 2006
Posts: 406
Likes: 0
From: San Antonio TX
do the ms4 over the ms3 for sure! you only have to worry if you get bigger valves. this cam definately makes power, with the MS4 and STOCK HEADS my car makes what "most" stock c.i. cars with cam and heads make....just food for thought
Racer
Joined: May 2006
Posts: 406
Likes: 0
From: San Antonio TX
good cam and heads will get your there, the mods listed in my sig are the ONLY mods in my car and i am there.....
