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post #1 of 8 (permalink) Old 11-16-2014, 10:11 AM Thread Starter
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Crankshaft scissoring

I am considering an Andrews 57H cam but will more camshaft (meaning more torque and HP) risk crankshaft scissoring?
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post #2 of 8 (permalink) Old 11-16-2014, 10:29 AM
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No! Your crankshaft will be just fine. Just about every 88", 103"and 110" HD touring and non touring models have a cam mod done to the engine with no crankshaft issues.


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post #3 of 8 (permalink) Old 11-16-2014, 10:54 AM
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Any time you add torque & hp to the stock bottom end your rolling the dice. Like Mark said tho, many have done it problem free.

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post #4 of 8 (permalink) Old 11-17-2014, 06:37 AM
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The ones to really be concerened over, are 2004's some early 2005's, and 2007 model years.
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post #5 of 8 (permalink) Old 11-17-2014, 07:55 AM
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I believe the crank problem after increasing HP & TQ is often rider abuse. Having that extra juice can make you push the motor harder and ride different. I certainly blame myself for some of my woes after reflecting back.

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post #6 of 8 (permalink) Old 11-17-2014, 02:41 PM Thread Starter
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Quote:
Originally Posted by Hillsidecycle.com View Post
The ones to really be concerened over, are 2004's some early 2005's, and 2007 model years.
Scott
So you think the problem has been corrected?
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post #7 of 8 (permalink) Old 11-18-2014, 07:03 AM
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The Moco will never admit to attending to those issues(What issues????), but yes, they have, and installing a cam in a late model bike won't fubar the crank, at least from what we've seen here.
When these T/C engines were advertised in all the cycle magazines they were touting the cranks to be a whole new level of tough, but the bolt-togather assemblies of the Evo days have historically proven to be a better design from our standpoint.
Tapered, keyed, loctited, and nutted seemed to stay put.
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post #8 of 8 (permalink) Old 11-18-2014, 07:36 AM
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Quote:
Originally Posted by Hillsidecycle.com View Post
The Moco will never admit to attending to those issues(What issues????), but yes, they have, and installing a cam in a late model bike won't fubar the crank, at least from what we've seen here.
When these T/C engines were advertised in all the cycle magazines they were touting the cranks to be a whole new level of tough, but the bolt-togather assemblies of the Evo days have historically proven to be a better design from our standpoint.
Tapered, keyed, loctited, and nutted seemed to stay put.
Scott
Absolutely!!


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