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Did that. I usually run it with an open gas cap for diagnostics, and just made sure the vent line was clear yesterday. I'll report back about the carb, thanks.

Tow4 - Yeah it'll fire. Sometimes it runs for hours before shutting off. porkysplace - Yeah, I'm gonna give this a shot, thanks.

Fuel lines are all clean and straight. Replaced the pickup/sending unit in the fuel tank. Vent line to the fueling throat is open. To be clear, you can disconnect the fuel line at the carb and watch the fuel pump out of there consistently with quite a bit of force - the whole fuel delivery...

This old 77 has had a persistent fuel problem for several years. It just chokes out of fuel and stops running. Here's what does NOT appear to be the cause: 1. Dirty fuel tank - removed, cleaned, reattached fuel tank 2. Bad fuel lines - all lines have been replaced 3. Bad rollover valve -...

Haha aye

Yeah, I had it off while driving to make sure she was venting. She still choked. Seems like removing the rollover valve solved the problem, after all. Maybe she was suckin' hard enough to pull the little ball bearing up into the fuel line?

Well lads, i took the rollover valve out of the fuel line. And i dont know if it was that or my threat of selling her, but no problems so far!

Have done that and she draws fine. Problem seems to occur on high demand/rpms.

Yeah it seems like a stretch to me, too. However, there is no debris in the fuel system at this point, so I'm at a loss.

Sell Olive? I love this truck but, at some point, I need a truck that works consistently (see http://www.steelsoldiers.com/showthread.php?125380-Fuel-problem). Where would I look to toy around with the idea of selling her/how to value her? (EDIT) I.E., to get an idea of the value, etc.

Thanks for the reply. My lines between pump and carb are rubber, too. I think I've eliminated all obstructions between the tank and the pump that could limit for except for that rollover valve, which I may take out next. What do you mean "sucking air at the top of the sending unit thereby...

Latest in the saga of Olive. 1977 Dodge M880... Cleaned out fuel tank, new sending unit, new rollover valve, new mechanical pump, new steel fuel line. New Holley 600 CFM 4 Barrel She chokes out after about a mile if you rev the engine. Pop the hood, and the fuel filter is bone dry. Been...

There are two rods that connect (by a pin) the transfer case shifter to the transfer case. The second rod (which is no visible unless you detached the first rod and move it) lost its pin. Truck (we call her Olive) is back to work again. Thanks all.

Maybe this: lf you leave the transfer in "N" for any length of time, you may have trouble getting back into LO or HI gear range. If this happens, shift the transmission gear selector to "R" briefly and then shut off the engine. Waiting IS seconds, put the transmission gear selector into ••p"...

Transfer case appears not to be in neutral. Shifted and shifted again to make sure. Truck not engaging; I seem to recall there being a magical formula re: getting transfer in gear (reversing truck for some many feet) but I dont know what it is.

Alright thanks again, both.

Here we go. This is the part in action, as someone in the truck operates the shifter. I do not know enough to tell if this is doing what it's supposed to. If it is, then seems likes problem is inside transmission. http://www.youtube.com/watch?v=41-PEqcndAk&feature=youtu.be Thanks.

Well, it might be internal. Since I don't know how to tell how that part is supposed to work, I cant tell if the linkage is out of adjustment. Trying to post a video I took of it but Photobucket is acting up.

Yeah the part I'm talking about seems to be where Parts No. 5 connect; i.e. the greyed out portion of the diagram. Any idea where that part is in the manual? I haven't been able to find it.

Hi All: Dodge M880 1977. 31,000 miles. Looking for help on a particular part, because it does not seem to be in the parts manual I have. Problem is shifting. Cable on the valve body on the transmission appears loose. As a result of that (I suppose) the truck will not "think" its in park when...