setting up pedestal rockers?

78mach1 · June 21st, 2009, 06:21 PM

alright so on my 78 with a 306 in it, i am running 7:1 roller pedestal rockers and im thinking i have an issue with them, i know how to adjust a stud rocker but what is the rule for pedestal?

my car has developed a miss fire but my compression is even across the board.

86er · June 21st, 2009, 09:25 PM

all you can do is put a small shim under the stand, otherwise you just torque them to like 18 or 20 lbft

78mach1 · June 22nd, 2009, 02:12 PM

well i just ordered the shim kit, im curious what kind of problems could have developed from them not being adjusted correctly.

the engine has about 1k miles on it

93mustank · June 22nd, 2009, 04:48 PM

Did you measure for psuh rod lenght?

78mach1 · June 22nd, 2009, 08:59 PM

Originally Posted by 93mustank

Did you measure for psuh rod lenght?

no, i used stock length pushrods.

should i have mesured?

93mustank · June 22nd, 2009, 10:55 PM

Always measure

88-gt-t-top · June 22nd, 2009, 11:03 PM

Aren't there two ways of doing this...A) using the proper tool B) Turing the motor over and watching where the rocker hits on the valve stem when the valve is open. I'm assuming one is more accurate than the other, I was just looking for some insight and if you've heard of method "B"?

78mach1 · June 23rd, 2009, 03:01 AM

Originally Posted by 93mustank

Always measure

they were stock heads with stock valves/springs, the only thing i changed where the rockers and the cam.

93hatch · June 23rd, 2009, 03:06 AM

Originally Posted by 78mach1

they were stock heads with stock valves/springs, the only thing i changed where the rockers and the cam.

thats why you measure

June 21st, 2009, 06:21 PM	#1
78mach1 Hardcore Enthusiast Join Date: Oct 2007 Location: utah Posts: 1,365 iTrader: 0 reviews	setting up pedestal rockers? alright so on my 78 with a 306 in it, i am running 7:1 roller pedestal rockers and im thinking i have an issue with them, i know how to adjust a stud rocker but what is the rule for pedestal? my car has developed a miss fire but my compression is even across the board.

June 21st, 2009, 09:25 PM	#2
86er I Post Entirely Way Too Much Join Date: Nov 2006 Location: Memphis, TN Posts: 7,626 iTrader: 0 reviews	all you can do is put a small shim under the stand, otherwise you just torque them to like 18 or 20 lbft __________________ Just a truck 5.4 3v: 264hp 317ft lbs rock stock The "search" button, its not just for porn piecing together the next project faster than your first sexual experience

June 22nd, 2009, 04:48 PM	#4
93mustank Banned Join Date: Aug 2008 Location: Phoenix,AZ Posts: 3,014 iTrader: 1 reviews	Did you measure for psuh rod lenght? __________________ PeteAndersonRacing.com

June 22nd, 2009, 10:55 PM	#6
93mustank Banned Join Date: Aug 2008 Location: Phoenix,AZ Posts: 3,014 iTrader: 1 reviews	Always measure __________________ PeteAndersonRacing.com

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June 22nd, 2009, 02:12 PM	#3
78mach1 Hardcore Enthusiast Join Date: Oct 2007 Location: utah Posts: 1,365 iTrader: 0 reviews	well i just ordered the shim kit, im curious what kind of problems could have developed from them not being adjusted correctly. the engine has about 1k miles on it

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