Hemi Grind Camshaft

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RustyRatRod

I was born on a Monday. Not last Monday.
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Does anybody know the specs for the old Hemi grind camshaft for the big block? A cam card pic would be awesome.
 
The original one was P3690214, 284 advertised duration .471 intake, .474 exhaust on 108.

In 1983 it was replaced by P4286631, 280 duration .474 lift, straight pattern on 110. The idea was to improve both idle quality and power.

In 1989, P4286631 was replaced by P4452993 which has identical specs, and the 993 is still a good part number today.
 
Does anybody know the specs for the old Hemi grind camshaft for the big block? A cam card pic would be awesome.

Type....................... Hydraulic
Lift.......................... .475"
Duration................... 280*
Duration @ .050" ..... 238*
Overlap...................... 60*
Centerline................ 110*


Back in 1973 thru 1975, I used this in my 1969 440 'Cuda.

On the Street, it was awesome, and idled great with a Stock
Converter.
 
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