Rocker Arm ?

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Jun 18, 2006 | 10:09 PM

71mopar383

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Rocker Arm ?

How do I adjust the rockers arms on my dads 351w with a roller rockers and non roller hyd cam? My Mopar uses non-adj rockers so I dont have this problem.

Jun 22, 2006 | 08:20 AM

TigerDan

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From: The hills of No. Calif.

Usually there isn't any need to adjust rockers on a hydraulic. That's the whole point of hydraulic lifters, to be non-adjustable and eliminate that maintenance item. The lifter preload is generally set during installation or in the machining process, depending on what style of rocker arm pedestals are used.

Jun 24, 2006 | 10:33 AM

baddad457

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From: south louisiana

Quote:

Originally Posted by 71mopar383

How do I adjust the rockers arms on my dads 351w with a roller rockers and non roller hyd cam? My Mopar uses non-adj rockers so I dont have this problem.

Depends on what type rockers you're using, are they pedestal or stud type rockers ? Pedestals ? just bolt em down and troque them to 25 ft/lbs. Stud type? Get the cylinder you're working on at TDC of the compression stroke. Tighten the rocker nut till the pushrod, just gets tight to turn with your fingers, then tighten the nut 1/2 turn more. If you have Windsor heads with positive stop studs, you'll need to have them changed to screw in types to use roller rockers. Positive stop studs are smaller at the threaded part and larger below the threads.

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