Proform roller rockers - Performance Forum

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Proform roller rockers
Wednesday, April 07, 2010 6:30 PM
http://www.summitracing.com/parts/PRO-66915P/

I just ordered 8 of these. Any other hardware I need to get? Says the nut style is poly lock, does that mean I can't use the stock nuts? Thanks!


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Re: Proform roller rockers
Thursday, April 08, 2010 7:36 PM
you're also going to need new studs (summit sells them, from ARP) and since you have the 2200, you'll need to mod the valve cover.



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Re: Proform roller rockers
Saturday, April 10, 2010 9:09 PM
So, why wont the stock studs work?


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Re: Proform roller rockers
Saturday, April 10, 2010 10:32 PM
Nevermind. Found the question on another thread. Just ordered the m8 x 1.25 studs. Anyone need 8 of these studs? $35 plus shipping pm me


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Re: Proform roller rockers
Saturday, April 10, 2010 11:10 PM
Also, what does everything need to be torqed at? Is it the same specs as the stock? Thanks.


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Re: Proform roller rockers
Sunday, April 11, 2010 6:03 PM
And another question...
Do these come with the polylock nut for sure. I know it shows it in the picture, but doesn't say for sure.

http://www.summitracing.com/parts/PRO-66915P/


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Re: Proform roller rockers
Monday, April 12, 2010 3:10 PM
Re: Proform roller rockers
Tuesday, April 13, 2010 5:26 PM
Yes, they come with locks. And torque specs for the studs will be the same (same thread size/pitch/material in head).




fortune cookie say: better a delay than a disaster
Re: Proform roller rockers
Friday, April 16, 2010 2:22 PM
Yes, for installing the studs... But what about lash-adjustment? I think we'd best cover that for him too.


Go beyond the "bolt-on".
Re: Proform roller rockers
Friday, April 16, 2010 2:46 PM
Nickelin Dimer wrote:Yes, for installing the studs... But what about lash-adjustment? I think we'd best cover that for him too.
That's not a torque spec...




fortune cookie say: better a delay than a disaster
Re: Proform roller rockers
Friday, April 16, 2010 2:52 PM
You're right. That's just a method... Same one as used on small-block Chevy's, IIRC.


Go beyond the "bolt-on".

Re: Proform roller rockers
Friday, April 16, 2010 5:21 PM
Okay. So to clear everything up. Could I get exactly how to install the rocker arms AND the studs. Well at this point the arms, since now I know the studs torque specs. Thanks.


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Re: Proform roller rockers
Monday, April 19, 2010 11:24 AM
Just search the web for "rocker arm adjustment", you'll find plenty. Basically, you can just tighten down the lock until you can no longer spin the pushrod by hand, and then tighten a 1/2 turn (valvetrain will be noisy without proper lifter preload).




fortune cookie say: better a delay than a disaster
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