Hi All! It's been quite a while since the last time I've posted to MUD. I've been lurking lots lately, and now have a question.
I have always had and issue with fuel percolation in my weber carb. Just some brief history: The previous owner of my '78 FJ40 had desmogged (kinda...sorta...) the truck many years ago. The smog pump's gone, along with a whole host of other things including the original carb. Not sure why, but the carb. fan timer/controller was also removed, so I'm looking for one of those if anyone has a bead on one!
My issue is that sometimes after I drive the cruiser for a while and then park it, it won't start again for some time. (If it does finally start, it has next to ZERO power and feels like it's not running on all cylinders... ) A few minutes after you shut the engine off, you can hear fuel boiling / percolating within the carb. If it's parked in an enclosed garage while this is happening there is a strong smell of fuel in the air. I've attached a picture showing where the fuel is pushing out.
Today, after I parked it and heard the fuel percolating, I also noticed that fuel appeared to be bubbling it's way out between the spacers under the carb...yikes! My question is this: Would fuel coming out between the spaces be related to the percolation? Or, are both the percolation and the fuel bubbling out both just related to the heat coming up from the exhaust manifold?
Either way, I'm really looking for opinions on if anyone else has had a similar issue and what they did to solve it.
MANY THANKS in advance for any info!
Jason
I have always had and issue with fuel percolation in my weber carb. Just some brief history: The previous owner of my '78 FJ40 had desmogged (kinda...sorta...) the truck many years ago. The smog pump's gone, along with a whole host of other things including the original carb. Not sure why, but the carb. fan timer/controller was also removed, so I'm looking for one of those if anyone has a bead on one!
My issue is that sometimes after I drive the cruiser for a while and then park it, it won't start again for some time. (If it does finally start, it has next to ZERO power and feels like it's not running on all cylinders... ) A few minutes after you shut the engine off, you can hear fuel boiling / percolating within the carb. If it's parked in an enclosed garage while this is happening there is a strong smell of fuel in the air. I've attached a picture showing where the fuel is pushing out.
Today, after I parked it and heard the fuel percolating, I also noticed that fuel appeared to be bubbling it's way out between the spacers under the carb...yikes! My question is this: Would fuel coming out between the spaces be related to the percolation? Or, are both the percolation and the fuel bubbling out both just related to the heat coming up from the exhaust manifold?
Either way, I'm really looking for opinions on if anyone else has had a similar issue and what they did to solve it.
MANY THANKS in advance for any info!
Jason
