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Will stock rockers be OK with Ms4 and 243 heads

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Old 03-17-2010, 09:30 PM
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Default Will stock rockers be OK with Ms4 and 243 heads

Sorry guys but i have to ask this. Im currently starting my H,C upgrade i went with ms4 cam new lifters (ls7) new push rods got a set of 243 heads and of course the double valve springs. My question is will stock rockers be fine my car has 140k on it but i would like to buy new stock rockers if they will work also post links where i could purchase stock rockers thanx for any advise sorry to bug you all with another rocker question.
Old 03-17-2010, 09:38 PM
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Originally Posted by alabamapimpin
Sorry guys but i have to ask this. Im currently starting my H,C upgrade i went with ms4 cam new lifters (ls7) new push rods got a set of 243 heads and of course the double valve springs. My question is will stock rockers be fine my car has 140k on it but i would like to buy new stock rockers if they will work also post links where i could purchase stock rockers thanx for any advise sorry to bug you all with another rocker question.
http://www.rockauto.com for stock rockers and yes you will be fine. i did the trunnion upgrade on mine that's just piece of mind for me. Also I would do the stock LS1/LS6 lifters and sell the LS7 lifters. A lot of complaints about lifter failure with them specially with aggressive cams w/ high lift #s.
http://cgi.ebay.com/ebaymotors/NEW-G...Q5fAccessories These are the same ones I am running. Have you done a compression test yet. Other than that if its a 00 or older and your going to spin that bad boy more than 6500 rpm I would also do rod bolts.

good luck
Old 03-17-2010, 10:39 PM
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Oh **** does that mean with ls7 lifters that stardard lenth push rods will not work?
Old 03-17-2010, 10:44 PM
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Originally Posted by 02*C5
http://www.rockauto.com for stock rockers and yes you will be fine. i did the trunnion upgrade on mine that's just piece of mind for me. Also I would do the stock LS1/LS6 lifters and sell the LS7 lifters. A lot of complaints about lifter failure with them specially with aggressive cams w/ high lift #s.
http://cgi.ebay.com/ebaymotors/NEW-G...Q5fAccessories These are the same ones I am running. Have you done a compression test yet. Other than that if its a 00 or older and your going to spin that bad boy more than 6500 rpm I would also do rod bolts.

good luck
great advise
Old 03-18-2010, 11:26 AM
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Originally Posted by 02*C5
http://www.rockauto.com for stock rockers and yes you will be fine. i did the trunnion upgrade on mine that's just piece of mind for me. Also I would do the stock LS1/LS6 lifters and sell the LS7 lifters. A lot of complaints about lifter failure with them specially with aggressive cams w/ high lift #s.
http://cgi.ebay.com/ebaymotors/NEW-G...Q5fAccessories These are the same ones I am running. Have you done a compression test yet. Other than that if its a 00 or older and your going to spin that bad boy more than 6500 rpm I would also do rod bolts.

good luck

i agree and you can get the turion upgrade from Thunder Racing as well..



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