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#1
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KT17 Cam
Does anyone know if a cam from a KT17 will work in a M18? I know they won't work the other way because of the cam lobe for the points. At first glance, they look identical.
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Richard 1979 IH Cub Cadet 782 w/CH20, dual hydraulics, power steering and Cat 0 three point |
#2
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Also be careful if you have later magnum *30 valve angle vs previous *45. I don't know the difference in the cam but kohler says to change the cam/lifters when changing to the *30 valves. I think there is a change in duration of the lift but not positive. |
#3
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If the holes were plugged in the series I cam, do you think it would work in the M18?
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Richard 1979 IH Cub Cadet 782 w/CH20, dual hydraulics, power steering and Cat 0 three point |
#4
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What is wrong with the cam in the Mag that you need a new one? Governor gear wipe it out? |
#5
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Wiped out by the governor. I will do some measuring and see what happens. Thanks for all the info.
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Richard 1979 IH Cub Cadet 782 w/CH20, dual hydraulics, power steering and Cat 0 three point |
#6
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I did see a pix of 2 cams laying side by side one was the later mag cam and the lobes had noticeable longer duration.
I do not know what the other cam was from, if a series 2 early or late, it was not a series 1. They are several on evil pray right now, last one I saw go reasonable @ $25 with lifters a couple of weeks ago. I'm wondering if the additional oil spray from the series 1 cam @ #50 vs #5 as designed would be more than the oil rings could control if the holes were left unplugged. If I tried to use it, I would for sure plug them. |
#7
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The KT-17 cam will not work in a Magnum engine. The lobes are smaller and you wind up with about .075" tappet gap. With the cams side by side you can see the difference.
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Richard 1979 IH Cub Cadet 782 w/CH20, dual hydraulics, power steering and Cat 0 three point |
#8
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That's interesting because valve lift is the same for both engines. I wonder if the cam's base profile grind is different? Just because they look different doesn't mean lift is different. If the base circle on one is smaller, they would look different, but have the same lift. You would just need to increase tappet length. Maybe the lifters are a different length? Did you check that? I'm kind of intrigued....... Maybe the valves are shorter.... ???
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#9
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but seriously, thanks, it will be asked again. I hope you didn't get it installed and then find that out. |
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