fuel issue?
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Banned. I got OWNED!!!
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From: wishing i was back in FL
fuel issue?
ok guys, i've been pm'ing back and forth with carl on this, but i want to see if anyone else has maybe delt with this, cause i dont think he's seen this before. LOL. ok ok, it's definitely a carb related or fuel problem. i started noticing that there's gas all around the top of the carb. it seems to be coming from the two top bolts where the fuel feeds in the airhorn or whatever, the two bolts that you tap with a hammer over the floats. fuel seems to be coming out of there pretty bad. hmmm. i can only seem to keep it going with the choke. THE IGNITION IS GOOD. it cranks RIGHT up but seems to be fuel starving. the fuel pump is good, has been tested by carl. the lines are clean. any ideas?
Thread Starter
Banned. I got OWNED!!!
Joined: Dec 2002
Posts: 4,192
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From: wishing i was back in FL
ok, i have to go to work, but anyone with any ideas about what could be causing my carb to not kick out the fuel, please let me know. floats have been set, fuel to the carb is good, ignition is good, ahhhhhh!!!!!!!!
Nikki-Modder Rex-Rodder
Joined: Feb 2001
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From: Trying to convince some clown not to put a Holley 600 on his 12a.
Uhmmm-
I hope you did'nt really hit those bolts with a hammer!
Your supposed to tap them gently!
Honestly, I don't see how the leaky crush washers (I'm pressuming that's the problem... ...you did use crush washers, didn't you?) and the engine no-run are related at all. There's way more than enough fuel flowing through the system and return line to supply both the carb and a nice healthy leak to boot. Besides, even if fuel is like blowing out of there like a guyser, the bowls are still filled up.
Even at high RPMs, the engine demand would give the pressurized leaking fuel a place to go (slurp!).
Soooo, treat them as seperate issues.
First fix the leak(s). You may need to obtain two pairs (4) of aluminum washers from a kit. They're called "crush washers" 'cause they squish/crush when they're tightened and seal. It sounds like you did'nt snug them down first before the inlet tube. They never match up perfectly, but it's always best (at least I have found) to snug fairly well the two banjo bolts, install the inlet tube (don't forget all those washers at each junction!) and then go ahead and do a final crank on the banjos, then the tube again.
With aluminum crush washers, nothing should ever have to have a He-Man attempt at tightening. It's part of their job to reduce the risk of stripping threads, ect by providing that sealing "give"(crushability
).
Don't bother trying to use used washers. Won't work. ABC washers= NG. (Already Been Crushed = No Good
)
You might try to find copper washers at a gas/welding supply place, or Napa (don't know- never asked.)
-Anyone? Help this poor guy out!
Now if the fuel is NOT coming from there, then you may have a flooding issue, not a starving one. If the fuel is filling the sight glasses over full, or spilling into the venturis directly, yer fuked.
- Well, not actually fuked, but at least you would know where the problem is coming from.
So one thing at a time.
Fix the leak. But don't expect to have fixed the no-run problem just yet. We'll get there.
I hope you did'nt really hit those bolts with a hammer!
Your supposed to tap them gently!

Honestly, I don't see how the leaky crush washers (I'm pressuming that's the problem... ...you did use crush washers, didn't you?) and the engine no-run are related at all. There's way more than enough fuel flowing through the system and return line to supply both the carb and a nice healthy leak to boot. Besides, even if fuel is like blowing out of there like a guyser, the bowls are still filled up.
Even at high RPMs, the engine demand would give the pressurized leaking fuel a place to go (slurp!).
Soooo, treat them as seperate issues.
First fix the leak(s). You may need to obtain two pairs (4) of aluminum washers from a kit. They're called "crush washers" 'cause they squish/crush when they're tightened and seal. It sounds like you did'nt snug them down first before the inlet tube. They never match up perfectly, but it's always best (at least I have found) to snug fairly well the two banjo bolts, install the inlet tube (don't forget all those washers at each junction!) and then go ahead and do a final crank on the banjos, then the tube again.
With aluminum crush washers, nothing should ever have to have a He-Man attempt at tightening. It's part of their job to reduce the risk of stripping threads, ect by providing that sealing "give"(crushability
).Don't bother trying to use used washers. Won't work. ABC washers= NG. (Already Been Crushed = No Good
)You might try to find copper washers at a gas/welding supply place, or Napa (don't know- never asked.)
-Anyone? Help this poor guy out!
Now if the fuel is NOT coming from there, then you may have a flooding issue, not a starving one. If the fuel is filling the sight glasses over full, or spilling into the venturis directly, yer fuked.
- Well, not actually fuked, but at least you would know where the problem is coming from.
So one thing at a time.
Fix the leak. But don't expect to have fixed the no-run problem just yet. We'll get there.
Thread Starter
Banned. I got OWNED!!!
Joined: Dec 2002
Posts: 4,192
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From: wishing i was back in FL
ok sterling, tomorrow i will get on it. it's just weird though, this carb has been on for a couple weeks and i've cranked it alot for various trials, but just recently did it start to leak. plus, i've been alone so i didnt have anyone to watch the carb as i crank and keep it going. i'll let you guys know what's up later. thanks!
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