Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem
Q-jet for offroad use
PUO:
I have a 17051723 on the 468 in my truggy. the engine is a basic stock peanut port big block with edelbrock intake and 1-3/4 headers. at extreme angles there is fuel leaking out of the bowl vent and when encountered with serious bumps/jumps it seems to flood out and you have to feather the throttle to get it to clear out.
Cliff Ruggles:
For off road use we block all external vents except for the front vent, then install a taller one.
Did you install a new float?
What height is the float set at?
What type of pump and what is the fuel pressure?....Cliff
PUO:
Sorry for the late response .
I just threw a federated rebuild kit in it and didn't replace the float. In fact i really didn't pay much attention to the float level or any of the adjustments because the carb ran fine when I pulled the engine so I just freshened it up and epoxied the casting plugs. I'm running a jegs street pump and just recently installed a regulator but I havent put it on a guage yet. I added a piece of fuel line to the front vent and that seemed to solve the stumble over rough terrain.
I'm going to order your book and a new float/gaskets then go from there. Thanks for your help
Cliff Ruggles:
Sounds great, just give us a call in the shop when you get time. I don't recognize the carburetor number, but we'll figure it out......Cliff
PUO:
Ok I finally pulled the carb off. the # was actually 17054930. bought a new nitrophyl float and bowl cover gasket. you said you plug all the vents and before I do this I thought i would ask which vents.
you have the fuel well with these holes in it that look to feed the adjacent areas whre the . fuel can seep into these at extreme side angles then eventually out the vent in the top. should I plug these? (I used a parts carb for the first pic)
are these tubes some sort of secondary air bleed or fuel enrichment. if I plug the holes in the fuel well will it affect their function?
or do I plug these holes?
I am going to plug this vent for sure. and leaf the front vent open with a length of fuel line attached
any help would be appreciated. Thanks.
Navigation
[0] Message Index
[#] Next page
Go to full version