Hi All, Just a carb question - my 58 Mercury with 430ci engine and stock 4BBL carb has a flat spot on accelerating from idle. I know this is a classic faulty accelerator pump symptom, however, I checked the accelerator pump diaphragm and it seems to be intact. When watching down the throat of the ca...

OK back again. I finally found the problem. Only a few months back I did an igntion overhaul - replaced plugs, leads, distributor cap, rotor, points and capacitor. Apparently the new capacitor I bought was not of good quality and after only a few months of operation it developed a fault where once t...

Hi All,
Thanks so much for your advice. I'll work through all of these suggestions and see how things go.
To answer one question, yes it's separate coil resistor set-up.
Thanks so much
John

Hi All, A couple of trips ago I noticed my 430 occasionally faltering for a split second while driving. It felt like the ignition was momentarily disconnected then reconnected. Just this weekend it got worse to the point where it was happening continuously to the point where the engine stalled and w...

Hi All, Thanks for the replies. I finally lowered the generator and dug through the crud to find the numbers on my engine. I'm a little confused because they are cast numbers. Did MEL really change the mould to number each engine individually ? I've attached a pic of the numbers. It reads like: ?575...

Hi Guys,
Could you please tell me where to find the engine number on my 1958 Mercury 430ci engine ?
Thanks !
John

Hi - am not sure what the correct MEL name is, but am looking for what I would call the heat riser that provides heated air to the carburettor when engine cold, and outside air as the engine warms up.

In Australia but happy to pay for it and postage.


John