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Posted by: bbrock Jan 17 2019, 08:49 AM

Car is a '73 with fuel pump relocated to the front. I'm looking for a fuel filter with 3/8" inlet and 5/16" outlet that is small enough to be hose clamped to the original filter bracket on the outer engine mount. Closest I've found is a Napa 3486 which has the correct fittings, but is too big to fit on the bracket or anywhere along the firewall.

Anyone done this?

My backup plan is to just install a reducer and then a filter but prefer to eliminate the extra connections if I can do this in one step.

Thanks.

Posted by: 914Sixer Jan 17 2019, 10:20 AM

I think I may have a late bosch, let me look.

Posted by: Chi-town Jan 17 2019, 10:44 AM

https://www.summitracing.com/search/section/fuel-filters/inlet-size/3-8-in/outlet-size/5-16-in

Posted by: bbrock Jan 17 2019, 10:57 AM

Thanks, but I already ruled those out. The Hastings filter is the same as the Napa filter I tried. I actually found the Napa filter by cross referencing the Hastings #. It is too big. The Crown filter has Chrysler quick connect fittings rather than bubble fittings.

The frustrating thing is I'm sure the filter must exist but are hard to search for. They are all geared to look up a vehicle application and you can't search on inlet/outlet size.

Posted by: johnhora Jan 17 2019, 11:19 AM

Brent..
Chris makes these fuel adapters

http://www.tangerineracing.com/stainlessfuellines.htm

Posted by: TravisNeff Jan 17 2019, 11:24 AM

I went to the hardware store and picked up a hose barb to hose barb brass thingymadoodle, 3/8 on one side and 5/16 on the other.

Posted by: bbrock Jan 17 2019, 11:37 AM

Thanks for the adapter suggestions. The hardware store hose barb adapter is my backup plan and probably what I'll wind up doing. I probably already have one in a spare parts bin. I was just hoping to eliminate the extra hose clamp connections since I'm going to mount a second filter in that area anyway. I guess this isn't as easy as I thought.

Posted by: Mark Henry Jan 17 2019, 12:28 PM

I have one on mine, don't know if I can find the number but I got it from Carquest. I just asked the guy, he brought out some filters and we found one.

Posted by: bbrock Jan 17 2019, 12:28 PM

Found the slick http://www.wixfilters.com/Lookup/FilterBySize.aspx that lets you search by inlet size and was finally able to vies all of the 3/8 to 5/16 and 10mm to 8mm filters they have. None would work so I'll just install the hose barb adapter and will have plenty of choices in 5/16" filters.

Thanks for playing.

Posted by: bbrock Jan 17 2019, 12:34 PM

Well just when I thought I was defeated. We tried that at Napa with no luck and the Autozone folks just freeze up if you don't have Make, Model, and Year. I'll give Carquest a shot next time I'm in town.

Posted by: Mark Henry Jan 17 2019, 01:06 PM

Looking at my Carquest invoice try filter part numbers 86031, 86032 and 86033.

One should be 1/4", one is 5/16", the other is 5/16" in and 3/8" out. They're all metal can filters.