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Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Hotrodding Basics> No gasoline at the carb
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Topic Review (Newest First)
12-05-2018 05:57 PM
potvinguy The tank has a vent, I assume?
12-02-2018 10:30 AM
meborder Is this a roller cam motor, I hope?

If not, you likely have bigger problems by now.
12-02-2018 08:59 AM
joe_padavano You completely replaced everything in the fuel system. It takes time for the pump to suck fuel from the tank and fill the float bowl in the carb. The easy thing to do is to fill the carb through the bowl vents. I use a turkey baster or similar tool.

12-02-2018 08:55 AM
55 Tony In addition, do your battery a favor and pour a little gas down the carb before the next try. Might take a couple starts and stalls till it's pumping fuel.
12-02-2018 08:38 AM
eric32 Are you using a mechanical pump on the side of the block and also when you installed a new sending unit did it have an electric fuel pump on the sending unit? In my experience you can't run a mechanical fuel pump and have it pull fuel through an electric fuel pump on the fuel tank and it not be hooked up and if you were to have it hooked up depending on the fuel pressure you would have to have a regulator to keep the pressure correct.

On all my s10 v8 swaps I had to take out the in tank pump so my mechanical pump would be able to pull fuel. The first time I did this many years ago I had everything hooked up and turned and turned over and did not get any fuel. I had to have the tank dropped and the electric fuel pump removed then problem solved. Just something to check.
12-01-2018 08:59 PM
gatoraid Thanks for the info. I'll try the gas can and hose trick.
12-01-2018 05:29 PM
39 master Engine mounted fuel pump...was the pushrod put back in? Was the pushrod holding bolt loosened?
12-01-2018 05:16 PM
poncho62 What I would do is, take the connection from the tank at the input of the pump off. Take a hose the right size and put it from there into a 1 gallon gas can with some gas in it. Crank it over. If it draws gas from there, the problem is from the pump back. If not, the pump is likely no good. It is an engine mounted pump, right?
12-01-2018 03:36 PM
gatoraid
gatoraid

350 chevy 4bbl 1984 K5 blazer. everything is new, just replaced and installed today. there is gas in the tank. anything need to be primed?
12-01-2018 03:25 PM
poncho62 I would suspect the pump is bad....or you have a leak and its just sucking air.

What car, engine etc?
12-01-2018 03:12 PM
gatoraid
No gasoline at the carb

I have replaced fuel tank, sending unit, fuel line, return fuel line, all new rubber fuel lines, fuel pump, fuel filter and new carb. I have cranked the motor for over 1 minute and still no gas. do I need to keep turning the motor over or something else?

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