Today I "freshened" the rear carb. Went through the fuel block. Basically everything (primary and secondary jets, mixing tube) that mixed gas with air was plugged so I soaked everything in cleaner, rinsed in water, blew out and reassembled.

Engine fired immediately, but would not idle and ran rough but with periods of occasional smoothness -I had to keep it running by pumping the gas pedal. Still, a step in the right direction. The engine sounded good, lots of oil pressure, no smoke, and no leaks. Not bad for a 1992 rebuild!

My plan now is to do a complete rebuild of the front carb including the base to be sure the idle circuit is OK. I will then try to run the engine and maybe proceed to rebuild the base of the rear carb as well.

I will say the change today after the "freshening" of the rear carb was like night and day. It makes me think that Christy's problems are probably carb-related.

Thanks for everyone's support on this.

Chuck

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Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe