Quote:
Originally Posted by special-K
Doesn't necessarily sound like vapor lock to me. What engine? How long have you had the truck? Has it been a running driving truck all along, just got it running, problem started with new carb, or other?
as far as the heating up problem, is there a fan shroud? Fan clutch, straight-mount, or flex fan? back to what engine and what radiator? what transmission? Is it an automatic? Just give us all the info on your truck, what it has and what it's doing, and you'll get great insight from members who know.
EDIT: I just noticed this post is in General Discussion. What year truck do you have? We can move this to that specific forum. Or start all over in that forum with a new thread and we can delete this one.
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1971 gmc c15 350 engine and tranny. I’ve had the truck about a year now. All last summer I didn’t deal with any problems but an alternator.
It’s been running and driving the entire time I’ve had it. When I first bought it I had to replace a fuel tank. I came out to work about two months ago and a 5 Hour Dr. later one of my exhaust manifold is cracked and was blowing on my spark plugs making them hot. Since then the truck has not ran anywhere near what it has before.
It’s been running and driving the entire time I’ve had it. When I first bought it I had to replace a fuel tank. I came out to work about two months ago and a 5 Hour Dr. later one of my exhaust manifold is cracked and was blowing on my spark plugs making them hot. Since then the truck has not ran anywhere near what it has before.I got the carb back about 2 1/2 months ago. And it was so smooth. Original radiator. I think maybe 2 row brass? Not sure what they came with stock. I replaced the water pump the fan clutch not the fan the fan shroud is on there. I’m not sure if it’s a flex fan or not. And it is an automatic.
Once the truck is warmed up and it’s hot out I can go to the front of the carb and push the throttle in here almost a haze of fumes before the gas starts to come out. The float level should be good since I’ve never had to adjust it or didn’t adjust it out of the box. I did just find that my rotor cap had dirty connections on the inside so I’m going to get a new cap and I know that was probably part of my problem