1970 Chrysler Newport Cater BBD choke question

Hi,

Now that the sub freezing temperature is finally here I was able to give my 70 Newport a true old start cold start. Two pumps of the gas pedal, hit the key, and it cranks to life quickly- however I noticed that for the first minute and a half of warm up, the exhaust is very rich (smoky) and the engine really burbles and is a bit shaky. The engine speed will pick up, smooth out and reach high idle after about 2 -2.5 minutes. At that point I can then tap the gas and the idle drops to a...

1970 Chrysler Newport Cater BBD choke question
Author: kingbowl93