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Tech Question
Steve Ridgway, Antioch, CA, 70 Dodge Challenger 340
A 340 block and W2 heads, Crane solid roller cam and lifters, Mopar alum. roller tip unbushed offset rockers. I am worried about the pushrod angle. Will this engine work without throwing out or bending the pushrod? Also, Do you have a reconmendaition for what pushrod to use. Oiling will be through the head and rocker shaft. .. Love the Mag, Thanks ...Steve
Steve, true, it's bizarre looking, but it generally works fine. Just be sure the lifters have a reasonably deep pushrod cup. Use Manton 3/8" x 0.83" cr-moly pushrods. Length should allow not much more than one thread showing on the rocker adjusters.
I can't swear that the aluminum rockers will last 100,000 miles. Or even 10,000. This has nothing to do with the pushrod angle, however.
Rick
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