Quote:
Originally Posted by Paul Wong
Its applicable to all 428 cobra jet engines. I had built a brand new 428 for my Torino over 20 years ago and this rule changed allowing the .527 camshaft. The addition of parts at that time in A-D cars was out of control. It was by no means brand specific. There have been many battles to take parts back but have only been successful taking parts from mopars.
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Thanks Paul.
So then
1. You're saying the .527 lift is a recent change, like in the last 20 years?
2. What cam IS that? It must refer to an OEM grind, right?
3. The only OEM cam I know of even close to .527 lift is the SOLID 306-306 duration cam used in
352HP 1960
390HP 1961-62
406 1962-63
427 1963-67
428PI 1966 only
That had .298 lobe lift which is .524 gross at 1.76 rocker.
Is THAT the .527 lift "OEM FoMoCo" cam?
Or some other cam? Solid or Hyd? Which do you run?
Can of worms indeed.