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I know theres better rockers id like to run BUT my budget will Only allow cheaper rockers. 440 source with needle fulcrums or proform Rockers with bushings and a adjuster upgrade? 220.00 for source or 209 for proforms and smith adjusters?? 50-60 bucks?? Ive read some Good reviews about the source rockers. Cam is solid 250 256 560 108 Springs 350 max open
How about a standard Crane or Isky adjustable rocker? I had a set on ported 452 iron heads with an Ultradyne 590/613 cam in a 440. Street and strip, they ran for years.
It would be nice to see or hear proof of (Source) or (Proform) roller rockers that can outlast the standard performance rocker. Is the H.P. that big of a gain to make it worth it?
Snap your neck, mega G-force launch, is all I want!
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