Roller rocker question
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Roller rocker question
So I'm buildin a roller 302 for a 89 f150, my roller rockers finally came in and they are pedestal mount arms but they have an adjustable pushrod cup on them. My question is what's the problem way to set these roller rockers? Iv never installed a set like these. Thanks!
Lead Driver
Joined: Sep 2003
Posts: 7,013
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From: SoCal
Are these from Comp Cams? They should come with instructions on how to set them. They should go something like:
To start, set the cup adjusters to their upper limit (maximum lash).
Hand-turn the engine so the valve you want to adjust for is closed.
Turn down the cup to contact the pushrod enough so that the rocker stops rocking. This is zero lash.
Then turn the adjuster down another 1/2 turn.
Tighten the lock nut, keeping the allen key on the adjuster if necessary to hold its position as you're tightening the nut.
To start, set the cup adjusters to their upper limit (maximum lash).
Hand-turn the engine so the valve you want to adjust for is closed.
Turn down the cup to contact the pushrod enough so that the rocker stops rocking. This is zero lash.
Then turn the adjuster down another 1/2 turn.
Tighten the lock nut, keeping the allen key on the adjuster if necessary to hold its position as you're tightening the nut.
Laughing Gas
Joined: Nov 2013
Posts: 871
Likes: 6
From: Orcas Island, WA
You might also check Comp Cams's web site to see if they have the directions online, or failing that give them a call on Monday to see if they can send them to you.
Edit: just went to their site and they have instructions online. Go to http://www.compcams.com/Instructions/
Edit: just went to their site and they have instructions online. Go to http://www.compcams.com/Instructions/
Last edited by Island Time; Sep 6, 2014 at 11:06 PM. Reason: Added link
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nextalcupfan
1987 - 1996 F150 & Larger F-Series Trucks
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Jan 3, 2010 01:40 PM
