Engle Roller Cam ID

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d55dave

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Can anyone help to decode what the original cam specs were for this old Engle BB solid roller cam?

It looks to me like it says JR82/EX3, then an H, and then 108 12 A 0

Thanks!

Screenshot_20210918-093955_Messages.jpg
 
If i were to make a guess, (stress, Guess!) I would say a 112 lda, installed on a 108 cl. But... as far as I know there is only one way to analyze an unknown cam, stick it in a block, and degree it. You can get an idea of the lift with a caliper, measure the heel, measure the toe (of the lobe, )and multiply by the rocker ratio.
 
If i were to make a guess, (stress, Guess!) I would say a 112 lda, installed on a 108 cl. But... as far as I know there is only one way to analyze an unknown cam, stick it in a block, and degree it. You can get an idea of the lift with a caliper, measure the heel, measure the toe (of the lobe, )and multiply by the rocker ratio.
Yes, I agree. If I get my hands on it I will properly degree it. Just wondering if anyone knew before I make an offer on it.
 
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