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calvinater
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Joined: September 06, 2014
Posts: 3327
Location: 802 The Pointless Forrest
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 Posted: Fri Feb 23, 2018 9:20 am Post subject: odd endplay |
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mock up stage, endplay with no shims is.026, do i need to have flywheel snout turned? or can i get some really thin shims from somewhere?
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Last edited by calvinater on Fri Feb 23, 2018 1:47 pm; edited 1 time in total |
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ps2375
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Joined: April 24, 2014
Posts: 2471
Location: Meridian,ID
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| Posted: Fri Feb 23, 2018 9:28 am Post subject: Re: odd endplat |
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| is that inches or mm's? Don't you want .006"? |
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mcmscott
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Joined: March 12, 2010
Posts: 4856
Location: sanger ca
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| Posted: Fri Feb 23, 2018 9:39 am Post subject: Re: odd endplat |
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Cut flywheel and use thicker shims.
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mark tucker
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Joined: April 08, 2009
Posts: 23937
Location: SHALIMAR ,FLORIDA
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| Posted: Fri Feb 23, 2018 12:59 pm Post subject: Re: odd endplat |
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| BUTT first!!! if it's a aftermarket crank it may have a bigger raidi(fillet) and the main bearing may not be clearance enough for it keeping the crank from acctuly contacting the thrust serface of the bearing. if it is just clearance the bearing in a lathe...or it will burn up the bearing&crank&kill the case too. |
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SRP1
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Joined: January 06, 2007
Posts: 4340
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| Posted: Fri Feb 23, 2018 3:02 pm Post subject: Re: odd endplat |
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[quote="mark tucker"]BUTT first!!! if it's a aftermarket crank it may have a bigger raidi(fillet) and the main bearing may not be clearance enough for it keeping the crank from acctuly contacting the thrust serface of the bearing. if it is just clearance the bearing in a lathe...or it will burn up the bearing&crank&kill the case too.[/quote]
Bingo! 👍 |
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Danwvw
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Joined: July 31, 2012
Posts: 8892
Location: Oregon Coast
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| Posted: Fri Feb 23, 2018 3:15 pm Post subject: Re: odd endplay |
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| calvinater wrote: |
| mock up stage, endplay with no shims is.026, do i need to have flywheel snout turned? or can i get some really thin shims from somewhere? |
You may have a bearing wrong without shims there should be about 1mm of play. 39 Thousandths of an inch. (Note! if the distributor drive gear is installed it could be jammed causing it.)
Correct #4 Main Bearing Placement:
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modok
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Joined: October 30, 2009
Posts: 26781
Location: Colorado Springs
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| Posted: Fri Feb 23, 2018 5:25 pm Post subject: Re: odd endplay |
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don't check end play with no shims.
Check with two shims, or before putting the case together. |
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RWK
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Joined: June 24, 2009
Posts: 1348
Location: S.W. MI
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| Posted: Sat Feb 24, 2018 6:48 am Post subject: Re: odd endplay |
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Don't know if its been thrust cut, but mic thrust surface 3 places both case half's, seen some case's out here from bad thrust cut, 001-.002.
As above check radius, start with the basics, be careful if you have flywheel cut, no run-out between crank surface and thrust surface allowed!
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calvinater
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Joined: September 06, 2014
Posts: 3327
Location: 802 The Pointless Forrest
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| Posted: Sat Feb 24, 2018 7:12 am Post subject: Re: odd endplay |
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case is not together still in mockup stage working on clearancing at the moment
it seems two of the counter weights are less than .040" from the cam lobes yikes ! Whats minimum acceptable clearance here?
between #3 and #1 at #3 rod cap, and #4 and center main at #4 rod cap
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