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06-10-2020, 01:54 PM
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#71 | |
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Gone Wild
Join Date: Aug 2010
Location: Central Florida
Posts: 1,506
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Re: VC460 valvetrain noise?
Quote:
Shimmed the balance shaft and cam on the flywheel side and crankshaft on the pto side. |
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06-10-2020, 03:41 PM
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#72 |
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Getting Wild
Join Date: Feb 2016
Location: Canada
Posts: 137
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Re: VC460 valvetrain noise?
Excuse my ignorance, but, I've read a few threads and I can't figure out how to measure the balance shaft and camshaft end play. Could someone point me in the right direction? My motor is a bit noisy and I want to quieten it down the best I can (420 not 460). I'm already planning for roller rockers and upgraded pushrods.
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06-10-2020, 04:11 PM
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#73 |
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VC 460 CLONE GONE WILD
 Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,633
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Re: VC460 valvetrain noise?
I did my mock up build down the cylinder bore without the connecting rod and piston for the cam and balance shafts. Some of the pro use a trashed side cover with a cut out for measurement. The crank can be measured externally.
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06-11-2020, 09:42 AM
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#74 | |
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Getting Wild
Join Date: Feb 2016
Location: Canada
Posts: 137
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Re: VC460 valvetrain noise?
Quote:
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06-11-2020, 11:23 AM
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#75 |
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Crazy Ole Man
Join Date: Jan 2016
Location: Owego NY
Posts: 2,758
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Re: VC460 valvetrain noise?
You can measure the cam and balance shaft end play through the crankshaft hole in the side case. The cut up side case is a perfect way to clearance a block for obstructions -- but would you trust the end play numbers?
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06-11-2020, 12:33 PM
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#76 |
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Getting Wild
Join Date: Feb 2016
Location: Canada
Posts: 137
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Re: VC460 valvetrain noise?
Where are you guys sourcing crankshaft shims? What side of the crank is best to shim?
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06-11-2020, 12:51 PM
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#77 | |
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Gone Wild
Join Date: Aug 2010
Location: Central Florida
Posts: 1,506
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Re: VC460 valvetrain noise?
Quote:
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06-11-2020, 01:17 PM
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#78 |
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VC 460 CLONE GONE WILD
Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,633
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Re: VC460 valvetrain noise?
I found the 5/8 " shims on the balance shaft way too sloppy a fit. It mikes out @ .575" or 15mm. The only shims I could find were 15.19 mm units from Mcmaster Carr. Those ended up fitting the balance shaft perfectly.
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06-15-2020, 01:48 PM
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#79 |
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Gone Wild
Join Date: Aug 2010
Location: Central Florida
Posts: 1,506
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Re: VC460 valvetrain noise?
I THINK I HAVE FOUND THE CULPRIT IN MY MOTOR- See post on other thread: https://www.buggiesgonewild.com/show...1&postcount=27
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