At 11:17 AM 8/19/96 -0400, you wrote:
> Have a problem. '79 MGB with Zenith Carb starts and runs ok at idle
>with air filter removed. Once I put the filter in the canister, it dies a
>slow death with increasingly blacker smoke. No power; won't tach above
>4000rpm. Put it in gear and let out the clutch SLOWLY, it just dies.
> Have rebuilt the carb, adjusted the float and the idle speed set
>screw all according to specs. Installed new Needle and Grose Jet. All seem
>OK. Have adjusted the mixture settings so much, I don't know where I am.
> Could it possibly be the water controlled choke?
> Do I need to "zero" all the mixture setting screws and start anew?
>Any assistance greatly appreciated.
I had a similar problem with my '79, although not as bad as yours sounds.
I'd definately point you to the choke; those things always go bad. If I
remember right, the coil spring in there tends to get mishapen, and wond
expand properly to turn off the choke. The remedy, unfortunately, I can't
Before you do any more tinkering with the carb (or choke, for that matter),
you should set all the adjustments to neutral. Adjusting it does you no
good without a point of reference: trust me, I learned the hard way <g>.
[ JASON DUTT ]
[ firstname.lastname@example.org ]
\ 1972 MGB Roadster /