Quote:
Originally Posted by JacRyann
Wow... wish I could get cams ground for that price!
Depending upon the drivetrain layout, you'd insert a shim of same thickness as reduction in base-circle. This would prevent your hydraulic lifters or rocker adjusters from running out of range. Extra lift comes from thickness of this shim + original cam-lobe height.
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With the small block Ford, the small reduction of base circle was not enough to make much difference to the pushrod and rocker arm geometry. I can't remember... I may have bought a set of slightly longer pushrods when I replaced the old ones.
$60 in 1985 when I had the V8 cam ground is about $140 in 2017 dollars. Still a good deal, and I suspect I could get one done for about that around here.