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APE or MEGACYCLE?
- Hardgun
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.410" LIFT
266deg. Duration @ .030"
and also a set from megacycle that spec out like this:
.410" LIFT
250deg. Duration @ .040"
both std base circle (1.110) and lobe center at 108 deg.
What do you guys think? They seem roughly the same. anyone have any experience with these two? Any Input or advise is welcome!
P.S. with the same lift on both of them megacycle says that stock pistons and valve springs are fine, yet ape claims you need new springs and pistons. Anyone know why that might be? APE just trying to get some more money out of me? I cant find anywhere what the lift is rated at on the stock springs.
1983 KZ750 LTD
1982 KZ1100 A2 Cafe
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- KZB2 650
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1978 KZ650 b-2
700cc Wiseco kit 10 to 1.
1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket.
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- Hardgun
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1983 KZ750 LTD
1982 KZ1100 A2 Cafe
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- Nessism
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- Hardgun
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1983 KZ750 LTD
1982 KZ1100 A2 Cafe
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- Hardgun
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1983 KZ750 LTD
1982 KZ1100 A2 Cafe
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- DFIGPZ
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1984 750 Turbo
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- daveo
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I chose to keep it simple :kiss:, and am very glad that I did.
1982 KZ1100-A2
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- old_kaw
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daveo wrote: Something to consider with the stock ZN1100 head is the shim-on-top buckets and springs. There may be cam-lift limitations if you are planning to use them, as well as lobe clearance in the cam towers. I stayed with the stock buckets and springs which are working very well with the ZX cams, and the lash adjustments are a breeze. I chose to keep it simple :kiss:, and am very glad that I did.
I can't imagine having to remove the cams to change a valve shim on any motor. These motors get enough wrenching, stripped threads, broken bolts, etc plus having to re-time the cams during every freaking valve adjustment. Opps still too tight. lets do this AGAIN. lol I can not even fathom using a shim under bucket setup. There HAS to be some advantage to it though.
1981 Kawasaki Kz1000K1
Located in the Saint Louis, Missouri Area.
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- Big Jay
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You need to consider that the overlap in longer duration cams will lower cylinder pressure, so higher compression pistons will restore that. Our .410 work fine with shim on top.. People have run .418 lift with top shims and experienced a clicking sound. Upon close examination, it was the shims lifting up then going back down. Way too risky as far as we are concerned.
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- DFIGPZ
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1984 750 Turbo
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- old_kaw
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As far as not having any threads strip, you are a lucky man, because it seems that I have at least one 6mm insert to install every time I work on this bike. Perhaps I use this my torque wrench way too much.
1981 Kawasaki Kz1000K1
Located in the Saint Louis, Missouri Area.
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