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-   -   Isky 431 track question (https://www.fordbarn.com/forum/showthread.php?t=285405)

nick01psd 08-10-2020 08:05 PM

Isky 431 track question
 

I was wondering if anyone knew the lash adjustment for a old Isky 431 track cam for flathead ford... thanks

kadillackid 08-13-2020 12:14 AM

Re: Isky 431 track question
 

1 Attachment(s)
Out of my old Isky catalog :p



Attachment 438867

petehoovie 08-13-2020 12:36 AM

Re: Isky 431 track question
 

Quote:

Originally Posted by kadillackid (Post 1919617)
Out of my old Isky catalog :p
Attachment 438867

https://www.fordbarn.com/forum/attac...7&d=1597295606

frnkeore 08-13-2020 06:26 PM

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

whizzernick 08-14-2020 08:33 AM

Re: Isky 431 track question
 

I ran a 296 59L block with a 431 in 1962. My best was 110 mph with a 15.31 et This was in my 1933 roadster. The 33 pulled hard.

nick01psd 08-16-2020 09:17 PM

Re: Isky 431 track question
 

Thanks guys!!!


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