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MS4 and patriot 59cc

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Old Mar 21, 2009 | 01:56 PM
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Default MS4 and patriot 59cc

Hi guys , i have some questions , i want to make a combo for my buddy with MS4 112 and heads , i know with this combo the valves will hit the pistons , i'll order flat top pistons with valve reliefs and i'll install GM MLS gasket , my question is what pistons should i order ? it's ok to run with flat top -2.00cc valve reliefs ? need your recommends , the cam Magic stick 4 112LSA , Heads: Patriot LS6 59cc Stage 2

thanks, Mohammed.
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Old Mar 22, 2009 | 03:22 AM
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50 views and 0 posts !!
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Old Mar 22, 2009 | 03:50 AM
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You should be fine with 2cc valve reliefs and stock gasket... but wouldn't hurt to check. Would be very easy since you'll have the heads off anyway.
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Old Mar 22, 2009 | 03:54 AM
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Originally Posted by TXMaro
You should be fine with 2cc valve reliefs and stock gasket... but wouldn't hurt to check. Would be very easy since you'll have the heads off anyway.
do think with 2cc valve reliefs i'll be fine ? and the clearance will be enough between valves to pistons ?
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Old Mar 22, 2009 | 01:34 PM
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i am will actually be running the same combo and will be installing as soon as i get my rocker arms. was wondering if you know what pushrod length needs to be? Did you measure the the pv clearence and rotate the camshaft or did someone tell you it would not work. I'm in the same boat was just wondering because i knew i would have to measure with such a big cam and don't wan to buy pistons because i have a 6.0l 408 project that will recieve the majority of my funds. Just wanted a fast h/c stock bottomend car for now.
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Old Mar 23, 2009 | 09:54 AM
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no one can help me and pontiac out?
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Old Mar 23, 2009 | 10:10 AM
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Call TSP, I'm sure they're familiar with a setup like that.
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Old Mar 23, 2009 | 12:32 PM
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ya id call up tsp and ask
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Old Mar 23, 2009 | 02:34 PM
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didn't mean to hijack the thread pontiac. I was thinking about calling them will defiantly do that now. thanks for the input
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Old Mar 24, 2009 | 07:41 AM
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no one in ls1tech knows the answer ?
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Old Mar 26, 2009 | 10:51 AM
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a -2cc relief, stock gasket and a 59cc head will have you well over 12:1 compression.
i measured up a set of -2cc diamonds with a 64cc head and it was going to be 11.9 commpression on a 4.030 bore with a 4.100 gasket.
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Old Mar 27, 2009 | 01:41 PM
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i talked to several people, including speed inc and they thought c/r would be closer to 11.2:1 to 11.5:1 at most with a stock gasket. when i bolt them up i will def. measure c/r and most likely will run a .060'' gasket now. stock is .041'' correct?
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Old Mar 27, 2009 | 01:54 PM
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Yes the -2cc piston will be fine with this application. We stock several different brands to choose from. Make sure you flow check the heads prior to install, it's always best to make sure your getting exactly what you pay for.

Contact us if you need any help picking out pistons, we stock tons of them!
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