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philippe1
Samba Member
Joined: February 10, 2004
Posts: 47
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 Posted: Wed Nov 27, 2024 10:41 am Post subject: issue with 36 hp Wolfsburg West 81 mm pistons and oil rings |
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i have a technical issue with a set of Wolfsburg west 81 mm cylinders pistons i bought from you for my 36 hp engine
Issue comes from the oil ring (at the bottom of the piston)
when i put the 2 thin rings plus the one in the middle total depth is 3,5 mm and nothing fit ! as groove is 2,9mm
let me know if i have done things correctly or if there is an issue with the oil ring i have (all 4 are the same)...
never had before such issue with wht is supposed to be quality parts !!!
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philippe1
Samba Member
Joined: February 10, 2004
Posts: 47
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| Posted: Wed Nov 27, 2024 11:38 am Post subject: Re: issue with 36 hp Wolfsburg West 81 mm pistons and oil rings |
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| a possible solution could be to reduce the lenght of the inside parts of the oil ring that is maybe too long to fit? does anyone have dons that to be able to install the oil ring? |
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Vedderism
Samba Member
Joined: October 02, 2020
Posts: 31
Location: Paramount
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| Posted: Wed Feb 19, 2025 8:59 pm Post subject: Re: issue with 36 hp Wolfsburg West 81 mm pistons and oil rings |
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| Have you reached out to the fellas at WW? |
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PeteSC
Samba Member
Joined: January 26, 2011
Posts: 930
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| Posted: Thu Feb 20, 2025 6:44 am Post subject: Re: issue with 36 hp Wolfsburg West 81 mm pistons and oil rings |
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I believe the raised ridges on the inner top and bottom of the spacer ring should be on the inside edge of the oil rings, not on the top and bottom of them as you have them in the photo. That design will keep the spacer from coming into contact with the cylinder wall and creates outward tension on the oil ring to the wall, if that makes sense. Install the spacer first, then install the lower and upper oil rings.
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