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bcrazy
Samba Member
Joined: October 24, 2009
Posts: 231
Location: Oslo
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 Posted: Wed Apr 14, 2021 1:06 am Post subject: fuel pump base fitment to case |
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Bought an aftermarket fuel pump rod guide. It does not fit the hole in the case very well. Much smaller in diameter so it will not fit the hole over the distributor drive.
Can i stil use it?
https://www.youtube.com/watch?v=xBf_lgvmgVY
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Cusser
Samba Member
Joined: October 02, 2006
Posts: 31362
Location: Hot Arizona
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| Posted: Wed Apr 14, 2021 6:39 am Post subject: Re: fuel pump base fitment to case |
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I wonder if that base was made intentionally smaller so it wouldn't get stuck in the engine case????
How well does the pushrod fit in the new base?
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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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evanfrucht
Samba Member
Joined: July 24, 2016
Posts: 2180
Location: Laurel Canyon, CA
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| Posted: Wed Apr 14, 2021 7:50 am Post subject: Re: fuel pump base fitment to case |
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My aftermarket one from WW was a total peice of shit. The spacer portion was over 2mm thicker on one side, effectively making it so the pump would get installed crooked. Instead of messing with it I just cleaned off a used one. The new reproduction ones are trash...
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1967 Bug ( the daily rod )
1964 Fury Wagon ( the pavement shredder ) |
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jimmyhoffa
Samba Member
Joined: February 16, 2014
Posts: 1057
Location: St. Louis
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| Posted: Wed Apr 14, 2021 9:14 am Post subject: Re: fuel pump base fitment to case |
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I just got one of these too and as soon as I slipped it in the case and felt it, I just threw it away 30 seconds after it came out of the package. Oh well, I think it was like $7 or something.
I can't stand the thought of that flexing every time the distributor drive gear pushes the pump rod up.
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1974 Chenowth 2RL #1244 Street Legal
My other car isn't ridiculous. |
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bcrazy
Samba Member
Joined: October 24, 2009
Posts: 231
Location: Oslo
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| Posted: Wed Apr 14, 2021 1:44 pm Post subject: Re: fuel pump base fitment to case |
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Push rod is pretty loose..
Don't remember how the stock was.
If i buy one from a local vw dealer, will it be better? |
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evanfrucht
Samba Member
Joined: July 24, 2016
Posts: 2180
Location: Laurel Canyon, CA
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| Posted: Wed Apr 14, 2021 2:00 pm Post subject: Re: fuel pump base fitment to case |
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| bcrazy wrote: |
Push rod is pretty loose..
Don't remember how the stock was.
If i buy one from a local vw dealer, will it be better? |
No, the new ones are a crap shoot. You're best chance is to buy a used one on here or ebay.
Honestly I didn't remember having a problem with the fit into the case. I dont think it's supposed be very tight... also the new one was actually fine as far as the fit of the actual rod inside the hole, that is not supposed to be tight either (my original VW one was identical in that regard.) But the new ones have other issues like a crooked mating surface which is the bigger problem. Check the thickness of the spacer part all around with calipers, mine was ground at a major angle. The top was not parallel to the mating surface, it was thicker on one side, if that gives you the picture. I could have tried machining it flat, but then it would be too thin and would need another spacer made to make up the difference... more hassle than it was worth for me since I had a used one.
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1967 Bug ( the daily rod )
1964 Fury Wagon ( the pavement shredder ) |
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bcrazy
Samba Member
Joined: October 24, 2009
Posts: 231
Location: Oslo
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| Posted: Wed Apr 14, 2021 3:15 pm Post subject: Re: fuel pump base fitment to case |
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The spacer is the same height on both sides.
Was more worrried about the lack of support on the rod towards the distributor drive.
But if this is all that is available, i guess many people run them without issues? |
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modok
Samba Member
Joined: October 30, 2009
Posts: 26785
Location: Colorado Springs
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| Posted: Thu Apr 15, 2021 9:15 pm Post subject: Re: fuel pump base fitment to case |
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I found one like that a few years ago,
briefly considered sleeving it so it would fit the case,
but when I found the pushrod hole was too big just I threw it away. |
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