76 new Yorker 42,000 miles runs good first 5 min then spits spudders and dies

Asked by Sep 02, 2019 at 03:42 PM about the 1976 Chrysler New Yorker

Question type: Maintenance & Repair

Car sat in heated garage all of
its life last 18 years not
driven,so the body is perfect no
rust the interior is perfect no
rips or tears,,it's a 400 ci lean
burn thermoquad carberator, I
have replaced, fuel pump,
distributor cap and rotor ,spark
plugs wires, new coil, rebuilt
carb without making to many
adjustment s the floats are set
perfectly, new clear fuel
filter,the car starts and runs
smoothly first 5 min no misses
timing is dead on at 12
degrees tdc,then all of a
sudden it starts spiting and
studdering till it dies then it
only sounds like half the
engine is running and I have to
keep my foot on the
accelerator to keep it running
the only thing I haven't
checked is the pickup coils on
the distributor or the ECM on
the fender, I was wanting to
switch over to the distributor
conversion kit ,too many
people said you have to
replace the carburetor also.
Any suggestions what I'm
missing would greatly
appreciate it I'm just not a
Chrysler guy the car was more
inherited more than anything
but I'd like to drive it in memory
of that person.

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