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Erson Roller Rocker Assembly Backordered Erson Roller Rocker Assembly Backordered
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  #28 (permalink)  
Old 01-18-2008, 10:17 AM
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Join Date: Nov 2006
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Cobra Make, Engine: SPF 2592, Shelby alum. 527
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Quote:
Originally Posted by RodKnock
I did a little checking on Precision's rockers. They're good, but were described to me as being not quite as strong as the Erson's.
Rodknock,

I'm running the Precision installation on my 526" Shelby w/Edelbrock heads with a fairly radical hydraulic roller cam (246/256@.050, .655 I&E lift) and fairly stout spring pressure (510 lbs open) and have had no apparent problems.

I'm curious, who were the critics, and more importantly, what were described as the weaknesses? Was it based on factual experience (failures) or opinion?

Rodger
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