Fuel Pump ?

I purchased the Carter FP from a member here to replace to POS Auto Zone one on my 68 Charger ( 383). Looks like I need some fittings... anyone now what and where I can order?

those fittings are available at any hardware store. Just take the pump with you and match them up.

Which pump are you going to use? Left, or right?

It's been a lot of years since I retrofitted the "Hemi" pump. IIRC, the pump uses NPT fittings, for the supply you'll need the appropriate NPT to 5/16" female flare nut adapter. The fuel return is much easier, NPT to 1/4" barbed fitting. I'm sorry I don't recall the sizes for sure, I "think" they're 3/8" NPT?

Right. Carter

pump on the right uses 1/4" pipe thread fittings. easy to find at NAPA, CARQUEST, etc.

Thanks!! hope they are open....

No luck at Napa.

The Carter high volume mechanical race pump I bought maybe fifteen years ago had straight thread (not tapered pipe) in the pump inlet and outlet, and came with fittings that used copper gaskets to seal them to the pump body. My pump came with two different styles of fittings, one set that adapted to AN lines, and another set to use with inverted flare lines. My pump looked a lot like the pump you show on the right.

Outlet fitting Outlet

Inlet if 5/16 hose Inlet

Those are the same type, not the Jegs brand, fitting I use on those fuel pumps when using the stock steel lines and hoses
I buy them at the local auto part stores

'

Thank you sir!!

Now while wait for them I will try and figure out how to that damn nut out so I can change the pump rod..... GRRRRR

Are you talking about unscrewing the pipe plug that is under the fuel pump mounting boss?
If so you need the proper size allen head wrench or socket

Top

Try Ace Hardware.. they will have what you need.

I think this is what you need on the outlet to the carb: Weatherhead (Eaton) 202X5. Straight Adapter - 1/8 in Male Pipe Rigid x 5/16 inch Female Inverted Flare.

Please Note: I have edited this post. The information above is incorrect. The Weatherhead (Eaton) 202X5 pictured below IS NOT correct for a Carter M6903. It is correct for a Carter M4845.

David

Yes...and its slightly striped....

If you have the directions that came with the pump, read them carefully. The aluminum castings can crack easily if you use Teflon tape when installing your fittings to the pump body. Teflon tape is a no no. Seal them another way and don't overtighten.

Thanks! No instructions in the box.... what do you use in place of teflon tape?

Teflon is not a problem I use it all the time. Leave the first thread exposed and wrap it tight with no more than two wraps. You can use a paste sealant also. If your cracking pumps you must be tightening them like a Gorilla.

What part number pump are you using?

M6903

The M6903 is what I figured. I see other mis-information on thread size. They are both 1/4 npt and the two references I made to the fittings are correct.

Thanks because I ordered last night and they already shipped!

With all due respect,I use Teflon tape all the time too, just not when the instructions say not to. #2 non hardening Permatex seems to do the trick.

Any good hardware store should have brass fittings.
If not Grainger has always been my go-to.
If there isn't a Grainger nearby (they are considered a essential business) then try summit or jegs.
If their customer service is still working they should be able to hook you up. Just give them the make and part number of the of the pump.


Good luck!
cc.

Yep. Me too for the last 30+ years........