Roller rockers???
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Senior User
Joined: Apr 2007
Posts: 375
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From: Glenwood, IA
Roller rockers???
I am thinking about upgrading to roller rockers and a roller cam for my 428. I am looking for any advice on where to find the best bang for the buck. And can anyone tell me how much more power I could possibly gain?
Fleet Mechanic
Joined: Aug 2007
Posts: 1,815
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From: Piney Woods of East Texas
The Holand Sharps cost me around $250 for my FE. At the time I purchased them they were the best for the buck. I currently think the price is ~$350 I also replaced the shafts with harden ones. May change the post in the near future.
Elder User
Joined: Jul 2006
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From: East Helena MT
I went with the Harland Sharp set up for my FE. I bought everything from Jegs about three years ago and I think I paid about 450-500 for the rockers plus the shafts.
I think the hardened shafts go for another 150-200 dollars. I have the whole set sitting in my garage waiting to be installed. They are a very nice looking piece.
Jeff
I think the hardened shafts go for another 150-200 dollars. I have the whole set sitting in my garage waiting to be installed. They are a very nice looking piece.
Jeff
Fleet Mechanic
Joined: Aug 2007
Posts: 1,815
Likes: 248
From: Piney Woods of East Texas
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Post Fiend
Joined: Dec 2003
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From: "Islander"
RapidRuss may still have a pair that were 4 sale I recall he would make ya a good deal on 'em.
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Senior User
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Take a look at the Erson setup. They run just under $700 - actually pretty close to the same price at the end of the day. The difference is that you get a needle bearing pivot, hardened shafts, and a very robust stand setup that consolidates the end stands and spacers into the assembly. The whole kit just bolts on - very slick.
Post Fiend
Joined: Dec 2003
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From: "Islander"
Barry, they are a nice unit for sure. The thing I don't care about is those needle bearings as over the long haul they would scallop the shaft, loosen up then bleed off too much oil.
Looking at Dove's rockers they use the aluminum rocker as the bearing material, when worn replace, my friends on his 2nd set.
Those high mile FPP roller rockers I have they used 2 brass rings with a 3/16" gap between them for the shaft oil holes, bad thing those rings will wear, I had 'em wear elongated by .011" to .014" by 240K miles. Filled both valve covers until the PCV valve sucked oil, looked like a blown motor with all the smoke. The 13 qt FT pan held enough oil preventing the botton end from starving.
Ended up pressing in oillite bushings full length then with a Dremel cut a lube groove. Seems to be holding up as I rebushed them over 300K miles ago they still have .003" clearance.
Looking at Dove's rockers they use the aluminum rocker as the bearing material, when worn replace, my friends on his 2nd set.
Those high mile FPP roller rockers I have they used 2 brass rings with a 3/16" gap between them for the shaft oil holes, bad thing those rings will wear, I had 'em wear elongated by .011" to .014" by 240K miles. Filled both valve covers until the PCV valve sucked oil, looked like a blown motor with all the smoke. The 13 qt FT pan held enough oil preventing the botton end from starving.
Ended up pressing in oillite bushings full length then with a Dremel cut a lube groove. Seems to be holding up as I rebushed them over 300K miles ago they still have .003" clearance.
Last edited by "Beemer Nut"; Oct 15, 2007 at 05:17 AM.
Senior User
Joined: Feb 2006
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Better tell that to all those needle bearings in your axles.....or the lifters in every new car or truck built. The only downside to needle bearings is that they do not have good impact resistance - do not let the lash get real loose and you'll be fine for a long, long time. As far as oil - they will bleed off more if you let them. They ship with hard washers alongside each rocker - those need to stay there and the side clearance should be quite low - a couple thou is plenty.
Post Fiend
Joined: Dec 2003
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From: "Islander"
Originally Posted by Barry_R
Better tell that to all those needle bearings in your axles.....or the lifters in every new car or truck built.
As far as keeping every rockers side clearance at a minimum to prevent excess oil bleeding you would have 32 rocker sides leaking plus 16 washer to shaft areas to bleed off oil from, this is a lot of area it all adds up.
The contact area on needles is small compared to a oillite bushing or just plain aluminum like Dove rockers, not as good in the friction department but then not a Pro Stock motor for the street looking for every 1/10 hp gain.