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Subaru conversion fuel pump?
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mack00
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PostPosted: Mon Feb 02, 2015 3:11 pm    Post subject: Subaru conversion fuel pump? Reply with quote

Installing a 2.5 in an early bay window. Are you guys using the stock vanagon pump? Or should I be looking for a different setup? Thanks
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JPrato
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PostPosted: Mon Feb 02, 2015 3:14 pm    Post subject: Reply with quote

The stock vanagon pump works fine for my 2.5L Subi conversion in our 84 Westy.
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06 Subaru Legacy turbo (how am I gonna fit this sucker into the Westy....)
87 Syncro Tin Top project
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Howesight
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PostPosted: Mon Feb 02, 2015 3:31 pm    Post subject: Reply with quote

I thought early bay vans were carbureted with mechanical fuel pump. My '73 Westfalia was. Anyway, the stock 1986 Vanagon fuel pump has worked fine for my 3.3 litre EG 33 conversion.
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rsxsr Premium Member
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PostPosted: Tue Feb 03, 2015 8:53 am    Post subject: Reply with quote

What year bay? FI bay, you could use the Bay Pump. If your bay is carbed, then you will need to add a return fitting to your tank. Since you are in the process of converting a bay to Subaru power, you might find fuel pumps from the aftermarket for a more reasonable price and have some higher availability. There is nothing special about the Vanagon fuel pump. You need to look at the volume requirements. Pressure should not be an issue with any pump that supports EFI injection. Sounds like a nice ride. Look over at Summit Racing, or Autozone.
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mack00
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PostPosted: Tue Feb 03, 2015 2:44 pm    Post subject: Reply with quote

It's a 69 single cab. Was carbed. I'll add return line to the filler neck.
Was leaning towards the Vanagon Bosch pump because they seem to have good reliability. But they do come at a cost.
Who is the go to vendor for these pumps?
Another option at a big price.

http://www.summitracing.com/parts/aei-18689/overview/
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Forthwithtx
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PostPosted: Tue Feb 03, 2015 3:20 pm    Post subject: Reply with quote

This doesn't specifically cover bay window buses, but it has a lot of good info on alternative pumps, reliability, and general pricing:

http://www.thesamba.com/vw/forum/viewtopic.php?t=180967

Also:

http://www.thesamba.com/vw/forum/viewtopic.php?t=363698

Cheers!
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rsxsr Premium Member
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PostPosted: Wed Feb 04, 2015 1:33 pm    Post subject: Reply with quote

Ideally the return would return under the fuel level. When it returns to an airspace it does get aerated some.
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tristessa
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PostPosted: Wed Feb 04, 2015 2:57 pm    Post subject: Reply with quote

Rather than add a return, put a tee under the tank outlet and run a '90 Cabriolet fuel filter (holds about a quart IIRC) between the tee and fuel pump inlet to act as a swirl pot. People have been using a tee to handle the return line on FI-converted early Bays for years without issue.
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