Hi All,
I recently inherited a creampuff '78 Marquis with 80K with a stock 460. This thing has had TLC all of its life. Even so, because of age, I went through all the accessories like carburator, distributor and all ignition components (plugs,rotor,cap,dist. pick-up, ign. coil), belts, hoses, EGR, water pump, etc. I didn't pull the heads but I did R & R the intake manifold and put in a new stock timing chain. Even checked the compression with all in the 130-135 range.
Here's my problem, the thing is a bit hard to start with a rough cold idle. I figure maybe my choke or choke pull-off isn't set quite right. It smooths out pretty good as it warms but still has a weird miss. Even when reving it up, it feels like it's eradicly missing. If I didn't know better, my first impression is to say it has a bad plug or wire but all that is new. I've checked everything I can think of including pulling one wire at a time off the distirbutor (ouch!!) to see the influence. It misses worse each time I do it and runs better when I put it back. Could it still be a bad plug or plug wire. (Just an FYI, I double checked that the timing gear set was set right when I installed it). Just seems more like ignition and not fuel related.
Does anyone have any ideas to share??
Sincerely,
Stuart D.
Portland, OR
I recently inherited a creampuff '78 Marquis with 80K with a stock 460. This thing has had TLC all of its life. Even so, because of age, I went through all the accessories like carburator, distributor and all ignition components (plugs,rotor,cap,dist. pick-up, ign. coil), belts, hoses, EGR, water pump, etc. I didn't pull the heads but I did R & R the intake manifold and put in a new stock timing chain. Even checked the compression with all in the 130-135 range.
Here's my problem, the thing is a bit hard to start with a rough cold idle. I figure maybe my choke or choke pull-off isn't set quite right. It smooths out pretty good as it warms but still has a weird miss. Even when reving it up, it feels like it's eradicly missing. If I didn't know better, my first impression is to say it has a bad plug or wire but all that is new. I've checked everything I can think of including pulling one wire at a time off the distirbutor (ouch!!) to see the influence. It misses worse each time I do it and runs better when I put it back. Could it still be a bad plug or plug wire. (Just an FYI, I double checked that the timing gear set was set right when I installed it). Just seems more like ignition and not fuel related.
Does anyone have any ideas to share??
Sincerely,
Stuart D.
Portland, OR
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