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Quote:
Originally Posted by Tom Cimino
Here's the answer I received from Chris Rowe at Edelbrock
Tom,
The valve locations on both heads are different, if you use the 60079 heads then you need to run pistons for a 427ci engine.
Looks like the 427 MR heads won't fit on my 390 block
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Interesting, I had thought that the valve locations were the same on both heads, that both heads have the intake valve off centerline like a 390-428 head, and the exhaust valve is father from centerline like a 427 head.
And now that I think about it, I think that's exactly how I had to space the rocker arms on the shafts.
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Last edited by Anthony; 12-24-2008 at 10:55 AM..
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