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Imco lower gears 1.50:1

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Old 05-25-2008 | 12:39 PM
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Default Imco lower gears 1.50:1

are the Imco lower gears the same as merc xr gears?
I have a imco with 1.34 gears and looking to change over to 1.50 gears.
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Old 05-25-2008 | 01:45 PM
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I think they are a little diff. in the style but should still fit.
But why would you do that on a cat ??????
You got accselaration anyways ,you gona lose top end about 4-8 MPH unless you reprop and dial everything in new.
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Old 05-25-2008 | 06:20 PM
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If you are referring to an Imco SC lower, the gears are the same as a Mercury XR set. No difference at all.
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Old 05-26-2008 | 06:38 AM
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Originally Posted by daredevil
I think they are a little diff. in the style but should still fit.
But why would you do that on a cat ??????
You got accselaration anyways ,you gona lose top end about 4-8 MPH unless you reprop and dial everything in new.
I'm running a 26P B1 now and can only get 5600 rpm, If I lab the prop, I could pick up 2-300 rpm, but I would like to try diff. props, and I'm at the bottom edge, the boat came from sea level and I run at 3600, so changing gears for alt. is not unheard of. I have a 31P B1 labbed and a 32P B1 std. one of these will probably work with the 1.50's
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