04-30-2008 10:06 PM #1
hard starting when warm
my truck is hard to start when warm.starter cranks fine and motor does start after cranking over for about 5 seconds.I have a rci fuel cell mounted in box of truck with the pickup fitting mounted on top of the tank.I have a new fuel pump and a clear fuel filter that appears to have fuel in it.the carb is a holly 600 and have set the float bowls to correct hight.the motor fires up fast when cold.motor is a 355 chevy. any of folks have any idea were I should start
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what kind of choke do you have? and do you have a mechanical or vacuum advance distributer?
|" "No matter where you go, there you are!" Steve.|
The next time you get it really warm, park it on level ground. Shut it off. Let it sit for 5 minutes. Pull the float level screws, and see if fuel runs out. If so, you need to drop the float level 2 flat spots on the hex nut.
You can also pull the air cleaner right after you shut it off, and see if any fuel seeps into the throat of the carb.
I have a manual choke and a vac, advance distributor.I will check the float level when hot I checked put didnt see any fuel seeping in the throat of the carb but maybe i wasnt quick enough looking.
((after cranking over for about 5 seconds.))
Your close, and it's not off much at all.
How hot does it run? The engine heat can percolate the gas in the carb so the fumes flood a warm engine.
temp running about 195
i use 1 in phenolic spacers under carbs. helps stop the evap when you shut it off.is it an electric pump ? on the clear filters, we had one split right in half and set the world on fire. i threw 4 of them away that day.
Im running a stock mechanical fuel pump.Im going to change the clear fuel filter with a solid metal type after all the nigtmares im hearing about the clear ones. now that I think about it I think I had a clear glass one break and leak on me before also maybe they should outlaw them .
I don't use the glass ones myself. They do make some out of hard par lamer (spelling) plastic that are very tough.
The clear ones are probably made of polypropylene. It has a pretty high melting point and unless they come into direct contact with the exhaust system they're safe and reliable. I've used them on everything carbureted for years.Originally Posted by DennyW
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