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Trends68
Samba Member
Joined: July 24, 2021
Posts: 3
Location: California
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 Posted: Sat Jul 24, 2021 12:55 pm Post subject: 1986 Vanagon main bearings 20/1000's over stock size? |
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| I have a buddy looking for main bearings that are 0.025 over stock? Anyone out there know where to find such a thing? Many thanks in advance for the help! |
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MayorMcCheese
Samba Member
Joined: October 07, 2009
Posts: 657
Location: Lancaster PA
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| Posted: Sat Jul 24, 2021 1:10 pm Post subject: Re: 1986 Vanagon main bearings 20/1000's over stock size? |
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| What engine? 0.025 over on the case, the crank, or both? Some main bearings are pretty much impossible to find right now. |
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skills@eurocarsplus
Samba Peckerhead
Joined: January 01, 2007
Posts: 16849
Location: sticksville, ct.
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| Posted: Sat Jul 24, 2021 2:59 pm Post subject: Re: 1986 Vanagon main bearings 20/1000's over stock size? |
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^^^^
what he said.
basically you can have std case .025 crank, .025 case and crank or .025 case and std crank.
bearings for these can get confusing for sure
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Trends68
Samba Member
Joined: July 24, 2021
Posts: 3
Location: California
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| Posted: Mon Jul 26, 2021 10:16 pm Post subject: Re: 1986 Vanagon main bearings 20/1000's over stock size? |
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| Thank you both for your replies - I've asked for more details. Really appreciate your help. |
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9.5isCanadian
Samba Member
Joined: September 16, 2017
Posts: 465
Location: In your blind spot.
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| Posted: Tue Jul 27, 2021 8:15 am Post subject: Re: 1986 Vanagon main bearings 20/1000's over stock size? |
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| Trends68 wrote: |
| I have a buddy looking for main bearings that are 0.025 over stock? Anyone out there know where to find such a thing? Many thanks in advance for the help! |
Not to further cloud the issue but ......
Your title seems to indicate Imperial measurement. asking for a 20 under bearing (.020") but your posting indicates .025 which has me thinking "first under metric size"?
Cranks mains and rod journals and cases bores are often referred to as first, second or third under (.010", .020", .030") Where as metric is a portion of a millimeter (mm) so .25mm (roughly .0098") .5mm etc etc
As noted by previous postings here, cases can be bored out and the crank stock dia or any combination of both.
Get your mics out and measure the journals but you'll have to assemble the cases halves and torque them to measure with a dial bore gauge.
Check the old bearings, they can be marked with ether a color code or an actual size (if they're not beat too bad).
If you find my AC van build thread I posted a picture of the SKF bearing catalogue that shows the journal sizes.
What are you building?
_________________
9 1/2 - missing a few pieces.
1987 Getaway Hightop
1980 Sunroof Vanagon
2018 BMW R Nine T
2012 Golf tdi |
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Trends68
Samba Member
Joined: July 24, 2021
Posts: 3
Location: California
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| Posted: Thu Jul 29, 2021 4:23 pm Post subject: Re: 1986 Vanagon main bearings 20/1000's over stock size? |
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More info from owner:
1986 Vanagon
Stock motor - lined bored once already (already oversized)
He needs next one up - 2L
and "5isCanadian" you were correct, it's .020, not .025... |
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jberger
Samba Member
Joined: November 17, 2003
Posts: 2476
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| Posted: Fri Jul 30, 2021 9:55 am Post subject: Re: 1986 Vanagon main bearings 20/1000's over stock size? |
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A quick look says they are not available anywhere.
I'm curious, why did this case need to be bored once, let alone twice.. not common in my experience.
J |
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9.5isCanadian
Samba Member
Joined: September 16, 2017
Posts: 465
Location: In your blind spot.
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| Posted: Fri Jul 30, 2021 10:11 am Post subject: Re: 1986 Vanagon main bearings 20/1000's over stock size? |
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| jberger wrote: |
A quick look says they are not available anywhere.
I'm curious, why did this case need to be bored once, let alone twice.. not common in my experience.
J |
Agreed. A once over line bore is reasonable but a twice over?
Regardless, good luck with the parts hunt.
Concept 1 shows std only and no stock
https://store.concept1.ca/store/filtered/c_21/s_Bearings%20Mains/8_69/
Owen
_________________
9 1/2 - missing a few pieces.
1987 Getaway Hightop
1980 Sunroof Vanagon
2018 BMW R Nine T
2012 Golf tdi |
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