Chris,
I think the fuel feed line is 5/16 and the return line is 3/8. Do you have
the problem with a full tank?
Richard
----- Original Message -----
From: "Brucciani, Chris" <CBrucciani@archinsurance.com>
To: <datsun-roadsters@autox.team.net>
Sent: Monday, April 24, 2006 8:19 AM
Subject: I think I need help with my carbs part #2
> Well, the responses have been universal in narrowing the search to a
> fuel flow problem. I took out the fuel sender and with a flashlight
> peered into the tank to look for crud and it looks good. I coated the
> tank with the Eastwood kit a few years back and it seems to be holding
> up well. Took apart the carb float bowl and indeed the # 2 carb is dry.
> I took some of the shims out of the fuel jet because there were like 8
> shims in there. Thought that might be the culprit. Nope. Went back
> and forth a few times playing with the floats and nothing. Went back to
> basics and simply unhooked the fuel line from the carbs to check flow.
> Little to nothing flowing through there although my "bullet" style clear
> glass fuel filter seemed to have gas in it at all times, I think that
> this is deceiving and I may ditch the clear glass filter. I blew threw
> the fuel lines and they are clear - as they should be since I replaced
> all the metal lines when I cleaned the tank. I checked the flow of my
> electric pump and it works well when sucking gas out of a gas can into a
> bottle. It is new and seems to be in good working order.
>
> So at this point I am pretty sure that if I can get fuel to the carbs I
> will be ok. It could be that the fuel pickup tube (the bigger nut of the
> two fuel tank lines goes to the fuel pickup tube right?) in the gas tank
> is sufficiently narrowed from the Eastwood coating that it is of
> insufficient size to get the flow rate that I need, or hopefully it is
> just that the system is not completely airtight due to the fact that I
> have rubber hose joining the hard metal fuel line in a few spots and the
> seal may not be up to snuff. Currently my fuel lines go in this order -
> hard line out from tank to short rubber line to long hard line up frame
> rail to rubber line under the battery to fuel filter and then over to
> the carbs. The return is similar - rubber hose off the back (starving)
> carb, to hard line through the frame rail short rubber hose to hard line
> into the tank. So I am going to try and go through things tonight and
> seal things up with better hose fitment and maybe some gasket goo where
> the hose join the metal lines.
>
> Thanks for all of the responses and I will let you know how things turn
> out. Hope to get it to the Mitty with new brakes later this week.
> Questions later on that.
>
>
> Chris Brucciani
> Marietta, GA
> 1968 2000 "Pinky"
> 1973 240Z
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