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firerod
Samba Member
Joined: September 01, 2014
Posts: 37
Location: United States
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 Posted: Fri Aug 27, 2021 1:25 pm Post subject: Muffler with oil filter/pump |
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| I am building a 1776sp with single carburetor. I have a oil pump with the screw on filter. Does anyone know what stock style muffler will clear the filter? |
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Glenn 
Mr. 010
Joined: December 25, 2001
Posts: 76902
Location: Sneaking up behind you
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| Posted: Fri Aug 27, 2021 1:43 pm Post subject: Re: Muffler with oil filter/pump |
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I just built a 1776 and the filter/pump pushed the pulley tin into the pulley so I had to grind off a good amount of the pump cover for it to fit.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
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johnnyvw164
Samba Member
Joined: July 27, 2020
Posts: 572
Location: South of Raleigh
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| Posted: Fri Aug 27, 2021 2:50 pm Post subject: Re: Muffler with oil filter/pump |
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| Someone can correct be if I'm wrong, but I think the main issue is if it has the extra pipe for the heat riser system? |
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67rustavenger
Samba Member
Joined: February 24, 2015
Posts: 9756
Location: Oregon
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| Posted: Fri Aug 27, 2021 5:52 pm Post subject: Re: Muffler with oil filter/pump |
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| johnnyvw164 wrote: |
| Someone can correct be if I'm wrong, but I think the main issue is if it has the extra pipe for the heat riser system? |
This is correct.
I searched for a muffler with the heat riser tube connected to the right side. Then down into the right side exhaust outlet. They are made. But hard to find.
I managed to find a Leiristz. It wasn't cheap. 
But it did fit the engine like a NOS part would. 
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MrGoodtunes
Samba Member
Joined: May 14, 2012
Posts: 851
Location: South Florida
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| Posted: Fri Aug 27, 2021 6:15 pm Post subject: Re: Muffler with oil filter/pump |
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| 67rustavenger wrote: |
| johnnyvw164 wrote: |
| Someone can correct be if I'm wrong, but I think the main issue is if it has the extra pipe for the heat riser system? |
This is correct.
I searched for a muffler with the heat riser tube connected to the right side. Then down into the right side exhaust outlet. They are made. But hard to find.
I managed to find a Leiristz. It wasn't cheap.
But it did fit the engine like a NOS part would. |
Early stock mufflers ran the tube out left peashooter, the switch to right was 1971-72, based on Wolfsburg West part numbers 113251053AJ & 113251053AK.
https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=113251053AJ |
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windfish
Samba Member
Joined: September 05, 2012
Posts: 1126
Location: NC
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| Posted: Fri Aug 27, 2021 7:25 pm Post subject: Re: Muffler with oil filter/pump |
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fwiw, both of these Dansk mufflers from wolfsburgwest have the exact same part number (113251053AK), bought a few years apart.
The older one interfered with the filter pump, the newer one worked fine.
I emailed wolfsburgwest and they confirmed:
"Thank you for the email.
The current muffler does have the preheat tube on the passenger side of the car, thus allowing you to be able to mount the oil filter as shown.
Old production were opposite as you are verifying yourself." |
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firerod
Samba Member
Joined: September 01, 2014
Posts: 37
Location: United States
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| Posted: Sat Aug 28, 2021 6:46 am Post subject: Re: Muffler with oil filter/pump |
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| Thank you for the replies and part number. I will get the one with passenger pre-heat. |
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volksworld
Samba Member
Joined: November 26, 2011
Posts: 2529
Location: formerly NY currently NC
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| Posted: Sat Aug 28, 2021 7:46 am Post subject: Re: Muffler with oil filter/pump |
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| US (non california) bugs in 73/74 went to an EGR system with its filter and plumbing on the left side...so the heat riser pipe was moved to the right side...so these were the go- to muffler for filter/pump combos...of course the hole where the EGR tubing hooked up needed to be plugged or welded up...in the second pic windfish posted you can see the stub for the EGR pipe sticking out of the side of the #4 exhaust pipe just behind the box for the paper heater hose hookup....it would have been a 113 251 053 AQ, not an AK...but was probably sold as an AK "supercession" since theoretically it would still fit the earlier cars |
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glutamodo
The Android
Joined: July 13, 2004
Posts: 26310
Location: Douglas, WY
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| Posted: Mon Aug 30, 2021 4:14 am Post subject: Re: Muffler with oil filter/pump |
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According to VW they changed to a right side preheat pipe for model year 1972...
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Andy T.
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