WCFB carb leakage issues
After a long run, I shut off and restarted my 61 (270, dual quad) and it backfired I think through the carbs. Anyway, I took off the air cleaner and there was gas dripping down in the secondaries on the front carb while the engine was running. I noticed gas coming out of the large gasgeted nut on top of the carb as well as the gasget to the air cleaner was wet. I tapped the top of that carb and it stopped dripping. Questions: 1-Was this the cause of the backfire? 2-Is there suppose to be gas coming through that front carb at idle? 3- What causes an erratic idle (600 to 1000 rpm without touching the gas)? 4- What is the procedure for adjusting the air/idle mixture and on both carbs? 5- Presuming it starts to drip again, where should I start? Thanks in advance for any help.................
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Re: WCFB carb leakage issues
1- Probably.
2- No.
3 and 5- Tapping a carburetor that's overflowing with fuel is an old school way of "fixing" a sticking float/needle. I would start there as a possible cause.
4. Don't know; I'm a Quadrajet guy. Is the procedure in the shop manual?Mark Edmondson
Dallas, Texas
Texas Chapter
1970 Coupe, Donnybrooke Green, Light Saddle LS5 M20 A31 C60 G81 N37 N40 UA6 U79
1993 Coupe, 40th Anniversary, 6-speed, PEG 1, FX3, CD, Bronze Top
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