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Old 08-13-2020, 06:26 PM   #4
frnkeore
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Join Date: Jul 2019
Location: Southern Oregon
Posts: 573
Default Re: Isky 431 track question

The 431, is a 274 duration cam, Howards, has 2 pretty close versions of that lobe:

Howards Cams
.020--.050--.200---Lift
272.7 248.0 175.7 0.412
274.8 250.0 177.6 0.415

This is Howards biggest cam
286.8 262.0 189.5 0.440
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'35 Ford Model 51
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