extech

next, check for fuel in the hoses to the canisters on the left side of the lower diagram. (says to fuel tank on them)

spray a little carb cleaner down the carb and see if it starts. if it does you have a fuel prob. if not check for spark. you can pull the coil wire out of the distributer cap and put it near metal and crank the engine

rrrrr r134 conversion

this looks like Have one to sell? Sell now eBay item number:235667646850 looks like a deal if you want to go to 134a. i would not use the pag oil however. ester oil instead

single rear wheel axle is just a toyota pu. wrecking yard

in the pic above you can see the aap(auxiliary accelerator pump) connected to the tvsv (thermal vacuum switching valve) the aap is there to compensate for load increases. it is a diaphragm and can get a hole in it. theres fuel on one side and vacuum on the other. if you put the hose off and there is fuel in it you found the problem in the view below you can see the aap is facing the valve cover . the arrow looks like it's pointing to the float window

not the same. i have a similar diagram. too hard to trace what does what in the pictorial view. need the one like under the hood. schematic

can you take a better pic of the diagram. mine is in a different format

what transmission, and california or federal on the decal under the hood if you are lucky

what constitutes overheating. do you have an accurate temp guage. sometimes people think normal is too hot. whats your normal

the mixture screw only affects the idle mix. the main metering is not adjustable

you do have a rich mixture problem. maybe the float in the carb has sunk. really there are many thing that could cause your problem stock carb had a window to see float level

the catalytic converter doesn't really effect the mixture. when you say it smells of gasoline to me means there is a fuel leak. rich mixture combustion will result in black smoke. what do the spark plugs look like

eastwood por 15, red top sealer, some say just polyurethane

hey joe. your truck should have an engine mounted fuel pump. it's right up front on the left side looking at it. there are companies that make fuel tank sealers. can't think of the names at the moment