You could do the lift with a set of calipers or micrometer measuring the difference between the base circle and the lobe hieght. The duration, you would have to put it in a block with a crankshaft.
Junior Member
I reciently purchased a supposedly crane cam , its new - the original box and cam card..I know it was foolish to get it that way..Does Crane cams have any distinctive markings or numbers..? whats the best way to check the lift and duration?
You could do the lift with a set of calipers or micrometer measuring the difference between the base circle and the lobe hieght. The duration, you would have to put it in a block with a crankshaft.
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Sometimes cam makers will stamp the lift and/or duration figures on the back of the cam.
Steve B.
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Junior Member
do you think a machine could help.?
If you mean "machine shop", they could measure the lobe hieght for you. Probably almost any auto service center or rebuilder could do that too.
You are probably best off to compare the lift to the chart you got with the cam, and if it is very close, consider the spec sheet correct, at least until you instal it.
Members can be contacted by clicking on their "handle", but you are much better off to post to the thread!
Junior Member
On the back it says 910736 and 1312 i think and before the end imbetween the lobs theres white stripe and says 1231 and below it 301 inbetween the lobes 21 a1 d2 16 ..? i know this info is most likely useless..I pick the cam up at a swap meet..the vender told me it was a crane cam.. A NEW CRANE WOLVERINE CAM THAT HAS NEVER BEEN RAN-IT IS GREAT FOR STOCK OR MILD PERFORMANCE IT HAS 469 LIFT INTAKE-493 EXHAUST-214@.050 INTAKE AND 224@.050 EXHAUST AND 114 LOBE SEPEATION WILL WAKE UP ANY BBB 67-76- I was wondering can this be this cam...
Junior Member
If its supposedly a crane cam, the cheapest thing to do is call Crane Cams tech line and give them the numbers stamped on the cam. They should be able to tell you the lift, duration, and etc.
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