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wkilleffer
Jedi Knight
Offline
Hi Everyone,
I've been doing alot of carb and exhaust work on my 74 MGB. The biggest part about it was changing the manifold gasket. Everything's back together and set up, so I decided to sync the carbs.
Everything seemed like it was fine in my garage, but once I got it out on the road, nothing seemed right. The idle speed was all over the place. I got back, and out of curiosity, put a wrench to one of the nuts that holds the rear SU carb in place. I was surprised that it turned at least 1.5 turns. The idle speed dropped as well. The other nut on that carb was slightly loose, and the ones up front were fine.
This might explain alot of the trouble I've had in the past with keeping the carbs in order, but I swear that I put everything together properly. Could vibrations from the engine cause the nuts to work loose? If so, would it be ok to use the Loctite that allows removal with tools on those nuts?
Neither of them have had any lock washers nor anything like that since I've owned the car. Rebalancing the carbs seems to have helped, but the car was a bit sputtery on the commute in approx 35 degree weather this morning.
Thank you,
-Bill
I've been doing alot of carb and exhaust work on my 74 MGB. The biggest part about it was changing the manifold gasket. Everything's back together and set up, so I decided to sync the carbs.
Everything seemed like it was fine in my garage, but once I got it out on the road, nothing seemed right. The idle speed was all over the place. I got back, and out of curiosity, put a wrench to one of the nuts that holds the rear SU carb in place. I was surprised that it turned at least 1.5 turns. The idle speed dropped as well. The other nut on that carb was slightly loose, and the ones up front were fine.
This might explain alot of the trouble I've had in the past with keeping the carbs in order, but I swear that I put everything together properly. Could vibrations from the engine cause the nuts to work loose? If so, would it be ok to use the Loctite that allows removal with tools on those nuts?
Neither of them have had any lock washers nor anything like that since I've owned the car. Rebalancing the carbs seems to have helped, but the car was a bit sputtery on the commute in approx 35 degree weather this morning.
Thank you,
-Bill
