rocker arm torque specs - LS1TECH

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1993-97 Gen II Small Block V8

rocker arm torque specs

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Old 04-02-2012, 05:39 PM   #1
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Default rocker arm torque specs

My idiot brother in law decided to take my rocker arms off the heads when i went inside for a drink.. What are the torque specs for the rocker arm!!!!!
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Old 04-02-2012, 05:48 PM   #2
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TQ on the polylocks or factory rocker nuts?
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Old 04-02-2012, 05:48 PM   #3
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I did not know there was a torque spec, I adjust them to zero lash with the car running, and 1/2-3/4 past there to set them.
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Old 04-02-2012, 05:51 PM   #4
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Quote:
Originally Posted by 69gto96z View Post
I did not know there was a torque spec, I adjust them to zero lash with the car running, and 1/2-3/4 past there to set them.
Yeah, may be a Tq on the allen part of the polylock but factory stuff can be tightened never achieving any tq and collapse the lifter or hang a valve open.
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Old 04-02-2012, 05:51 PM   #5
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Originally Posted by 93 LT1 Vette View Post
TQ on the polylocks or factory rocker nuts?
factory nuts. I've don't know nutting about rocker arms. The guy across the street said just torque them down and i will be ok
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Old 04-02-2012, 05:53 PM   #6
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LT1s do not have a torque spec. They are adjusted to zero lash then set to whatever spec is needed depending on lifter/rockers/personal preference. Info can be found on Shoebox's website on how to adjust them properly.
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Old 04-02-2012, 05:56 PM   #7
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Originally Posted by casper's6liter View Post
factory nuts. I've don't know nutting about rocker arms. The guy across the street said just torque them down and i will be ok
Is the motor together in the car and able to start it up?
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Old 04-02-2012, 05:57 PM   #8
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Is the motor together in the car and able to start it up?
the motor is in the car. I had to pull the head to get a snapped bolt out
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Old 04-02-2012, 07:17 PM   #9
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There is two options. While the car is off or on.

With it on, the rockers will make noise. Tighten the rockers until all noise stops.
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Old 04-02-2012, 07:23 PM   #10
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Use the torque wrench to beat the **** out of your brother in law...then follow what the other people said lol
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Old 04-02-2012, 07:37 PM   #11
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Stock torque on the rocker studs is 50 ft lbs

http://shbox.com/1/4th_gen_tech2.html#adjust_valves
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Old 04-02-2012, 08:02 PM   #12
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Quote:
Originally Posted by Valkyn View Post
Stock torque on the rocker studs is 50 ft lbs

http://shbox.com/1/4th_gen_tech2.html#adjust_valves
Do not torque the nuts to 50 ft lbs
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Old 04-02-2012, 08:03 PM   #13
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Quote:
Originally Posted by trilkb View Post
Use the torque wrench to beat the **** out of your brother in law...then follow what the other people said lol
he's never aloud to touch the impala ever again. I wanted to go ufc on his *** lol. Thanks for all the help fellas
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Old 04-02-2012, 08:16 PM   #14
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Quote:
Originally Posted by tonskiguy View Post
Do not torque the nuts to 50 ft lbs
50 ft lb might collapse a valve ???????
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Old 04-02-2012, 08:22 PM   #15
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The rocker studs are what the rocker nut screws onto, not the nut itself. Read shoebox's guides
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Old 04-02-2012, 08:30 PM   #16
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Quote:
Originally Posted by Valkyn View Post
The rocker studs are what the rocker nut screws onto, not the nut itself. Read shoebox's guides
gotta cha thank you sir
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Old 04-02-2012, 09:15 PM   #17
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Quote:
Originally Posted by 93 LT1 Vette View Post
Yeah, may be a Tq on the allen part of the polylock but factory stuff can be tightened never achieving any tq and collapse the lifter or hang a valve open.
I gotcha, I have never used a torque spec for my polylocks either, I just tighten the allen, and then give the allen and bolt head about an 1/8th of a turn together, it works like a champ.
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Old 04-25-2012, 06:16 PM   #18
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Installing 1.6 rocker arms on stock LT one should I use stock springs?
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Old 04-25-2012, 06:42 PM   #19
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Look up SLP's 330 for LT1's on Google. Basically it is a CAI, airfoil, exhaust and a set of and 1.6 roller rockers. Read the article it's actually pretty good, they state that roller rockers can be used with stock springs. They do recommend the spring upgrade if the motor has more than 100k on it.
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Old 04-26-2012, 08:05 AM   #20
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good god........theres another thread going on about how to lash your HR cam valves........go look in the LT1 section its there and will answer your question..........you dont just "torque" your rocker arms on lol
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