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Glenn 
Mr. 010
Joined: December 25, 2001
Posts: 80342
Location: Sneaking up behind you
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 Posted: Thu Oct 10, 2013 2:27 pm Post subject: |
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| Mr.Duncan wrote: |
| Glenn wrote: |
Get a 26mm pump and not a oversized 30mm pump.
The stock pump is 26mm. |
I thought stock was 21mm? |
For a older engine it is.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
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Cusser
Samba Member
Joined: October 02, 2006
Posts: 33424
Location: Hot Arizona
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| Posted: Thu Oct 10, 2013 2:23 pm Post subject: |
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My CB Maxi2 pump (described above) has 26mm gears. I know because when I changed to a dished camshaft, I bought a 26mm "typical" oil pump and used its gear with the shaft in my Maxi2.
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1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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Mr.Duncan
Samba Member
Joined: May 12, 2012
Posts: 3543
Location: Houston, TX
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| Posted: Thu Oct 10, 2013 12:53 pm Post subject: |
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| Glenn wrote: |
Get a 26mm pump and not a oversized 30mm pump.
The stock pump is 26mm. |
I thought stock was 21mm?
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Cusser
Samba Member
Joined: October 02, 2006
Posts: 33424
Location: Hot Arizona
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| Posted: Thu Oct 10, 2013 12:37 pm Post subject: Re: Oil Pump and cooler ? |
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| Bunky67 wrote: |
| After doing some research on changing the oil pump to a filter type. I was told that if the new pump, pumps too much pressure the oil will not go through the cooler, Is this true and how can I tell if it's bypassing the oil cooler ? |
I'm likely wrong, as usual - but don't all the VWs have high pressure relief valves (2 on the later models) that regulate oil to bypass the oil cooler if the oil pressure is too high, like when cold and before the oil has warmed up (when the viscosity becomes less) ? In other words, to the VW engineers, too much pressure meant that the engine/oil temperature was too cold.
I've been running a CB Maxi2 oil pump/filter combination for over 30 years on my 1835cc engine; so old it says Claude's Buggies !!!
_________________
1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 80342
Location: Sneaking up behind you
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| Posted: Thu Oct 10, 2013 12:37 pm Post subject: |
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Get a 26mm pump and not a oversized 30mm pump.
The stock pump is 26mm.
_________________
Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
עַם יִשְׂרָאֵל חַי |
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Bunky67
Samba Member
Joined: July 05, 2012
Posts: 142
Location: SW Michigan
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| Posted: Thu Oct 10, 2013 12:32 pm Post subject: Oil Pump and cooler ? |
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| After doing some research on changing the oil pump to a filter type. I was told that if the new pump, pumps too much pressure the oil will not go through the cooler, Is this true and how can I tell if it's bypassing the oil cooler ? |
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 80342
Location: Sneaking up behind you
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| Posted: Fri Sep 27, 2013 2:40 pm Post subject: |
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No... the oil pumps are different between stock and one with a filter.
There's dished and flat cams so you need the right pump to match.
_________________
Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
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Bunky67
Samba Member
Joined: July 05, 2012
Posts: 142
Location: SW Michigan
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| Posted: Fri Sep 27, 2013 2:35 pm Post subject: Oil Pump filter Mount ? |
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I would like to put an oil filter on my Dune buggy with a 1600 Single port, from what I have read there is a Early model and a Late Model, and the Cam gears are different,
My Brother has a New pump with the oil filter mount, if I tear my engine down and find that the pumps are different, is it possible to just change the filter mount and use my original pump ? |
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