Re: 401 cam spec wanted

[farna@xxxxxxx]

After 1974 (1975) was probably the change, if there was one. 74 was the last year the 401 was used in cars, 75-79 was Jeep only. So the cam may have been changed to take advantage of different truck emission standards to give it a little more power. Most likely that would be low in the power band, so not much more (if any) HP, but better low end torque. But that's just a guess on my part, nothing more!


On November 21, 2005 eddiestakes wrote:

> Anyone that can help out Ed below please feel free to reply and also copy your reply to him as he is not a member of either group at this time, thanks in advance to all who might reply.
> Eddie Stakes
> 
> ----- Original Message ----- 
> From: ed hein    amcjav401@xxxxxxxxx
> Subject: 401cam
> 
> 
> Eddie, I'm hoping you might have information on the 401 cam specs, I don't have the  it. Somewhere in 1974 possibly, the cam specs on the 401 was changed, I believe the original lift on the 401 was .457 and the duration degrees was split at 296 for intake and 303 for the exhaust. Do you have information on the supposed revised specs that could have been a more aggressive grind to offset the emission standards at the time in 1974 or so. someone has said somewhere that this could be a better cam for the 401, any thoughts or help here?  Thanks for any insite.  Ed


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