roller rockers - The 1947 - Present Chevrolet & GMC Truck Message Board Network

chev58 · 07-24-2010, 10:22 AM

i just built a 327 motor my first, i kept everything stock except heads, i had them cleaned up and put 1.6 alum. roller rockers on, i was told that if you don't pin the stud there pron to pull the studs out any truth to that. thanks peter p.s. i did go 10 over to clean up cylinder

dwcsr · 07-24-2010, 10:54 AM

All depends on your spring pressure. They are known to pull out with heavier than stock spring pressue. Pinning is a good idea but if your going to rework the heads then I would have them machined for screw in studs. Pinning you can do yourself with a drill and the correct pins. But its reccomended that they be off the engine

07-24-2010, 10:22 AM	#1
chev58 Registered User Join Date: Jul 2010 Location: corinna,maine Posts: 21	roller rockers i just built a 327 motor my first, i kept everything stock except heads, i had them cleaned up and put 1.6 alum. roller rockers on, i was told that if you don't pin the stud there pron to pull the studs out any truth to that. thanks peter p.s. i did go 10 over to clean up cylinder

07-24-2010, 10:54 AM	#2
dwcsr Hollister Road Co. Join Date: Apr 2005 Location: Houston Posts: 6,134	Re: roller rockers All depends on your spring pressure. They are known to pull out with heavier than stock spring pressue. Pinning is a good idea but if your going to rework the heads then I would have them machined for screw in studs. Pinning you can do yourself with a drill and the correct pins. But its reccomended that they be off the engine



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