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I'm going to keep everything as is with the exception of having them add a little lift.

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Charles Gray wrote:I'm going to keep everything as is with the exception of having them add a little lift.

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If this is going to be a regrind you cannot add lift or for that matter reduce the base circle without changing the profile.

I don't know what the final lift is because I can't read the doc. but if their using 1.5 as the rocker ratio its going to be way off.

On the cam pro data sheet it says the duration @ .200 is 112/113 respectively, these numbers should be in the 160 range.

Who is grinding this cam for you? If your in San Diego must be Jerry Cantrell? If you want a brand new chillcast semi finished blank to grind it on I will sell you one then you can retain the proper base circle without welding.

Now that I think about it He should still have a few M20 blanks left over from the '90s. Hopefully he is not still measuring with a BMW foot glued to the bottom of a Chevrolet lifter!! Got a good story about that one but I won't get into it here.

Paul

Paul,

Yes, it is Jerry that's doing the work.
I sent you a PM re your blanks.

Chas.

Charles,

Any chance you got the lift curves? I can add them to my M20 cam database.

Devinder

Is'nt Jerry Cantrell in a band? Alice In Chains comes to mind but not sure.

Eric