Henry,
Since this is my 5th 300K I am aware of its strong points and its weak ones.
Since I will be using this are the main driver, as if I had just gone out and purchased one in 1964, I need to address
the weak points.
Also, since one cannot walk into an auto parts store and ask for a new Carter AFB or a new Vacuum advance or a new power
steering pump and on and on…
I am trying to create a situation so that when I am on cross country trips it will not take weeks to get a part rebuilt.
In addition, for cross country traveling the AFB is VERY susceptible to altitude.
A throttle body EFI will take care of the cold starting much better and the EFI will deal with altitude changes.
I have restored cars. They are great for weekend drives and shows. But to rely on it as a daily driver and cross country
mount in the absence of a “new car” I think requires dealing with a few of the weak points and the items that are not easy to get on short notice.
As you said, we shall see.
James
I must live a charmed life. My 78 Australian Chrysler still runs its Carter 2 BBL and Chrysler electronic
distributor on the 265 Hemi six. I set the idle mixture screws with a gas analyser 20 years ago and haven’t touched it since. Every few years (if I remember) I put a drop of oil on the rotor felt. That’s it and it has
never let me down. The only “problem” is the carb will dry out after sitting about a week and it takes about 4 cranks to get fuel. I can live with that. Plenty of oil pressure when it lights that way.
If it ever gives me trouble in the future I know how to rebuild the carb or distributor for very little
money. I don’t know how to rebuild an expensive aftermarket universal fuel injection kit....
I also have a brand new car with gasoline direct fuel injection. I like how it starts when I press a button
but don’t pretend to know how to fix it on the side of the road with a screwdriver... But at least the same engineers who designed the engine, designed the fuel injection and ignition as well.
I hope your plan is worth the trouble.
Cheers
Henry
At some point in the next six months, I am looking into pulling the Carter AFB and the Dizzy and replacing it with an
MSD Atomic EFI, one of their distributors, 6AL box, and coil. For daily driving, cross country over the mountains, and the like it will be much more livable. Starting one in Lake Tahoe was a chore and the thing had little power until you got it up to speed.
I remember that well as do all my friends with 4-BBLS or three 2BBL cars.
The one thing that is going to be a real PITA is the coolant temperature sensor. MOPAR did not make it easy to add one
with a car that had air conditioning.
I am looking at a couple of solutions. None of them are great. One is to use the plug on the side of the block near the
coolant hole on the driver’s side. The downside is crud screwing up the readings. Another possibility is to extend the 5/8 heater hose pipe up an inch or two and use a “Y” with one end for the heater hose and the other for the sensor. But this option may
lead to the system being rich for too long as there is no flow unless the heater control is open. It is close the pump impellers and may be ok, but again, not sure.
The only other option and it is not a bad one, but an ugly one, is to use one of the Meziere Enterprises adaptors in
place of the thermostat. It uses and AN fitting to go up to the radiator. It has two plugs on it that would allow for the sensors. They also sell an inline thermostat housing that goes in the hose to the radiator. The upside of this would be that I could
change the thermostat without messing around with the A/C to get to it.****
If anyone has any other ideas, I would like to hear them. I am planning this on paper right now, all the fuel and sensor
and linkage issues. In the end, I am looking for a plan that of course can be reversed should anyone wish to do it.
Best, James
****I do not remember if I told the story here. Every teenage boy’s worst nightmare. I had just turned 16. I had a date
with one of the prettiest girls in the school. I took off to San Francisco in a 1971 Plymouth with a V8 and Air Conditioning. We came across the Golden Gate Bridge and soon after the car died. To make a very long story short, I had to push that car out of
intersections for hours. We would drive and then it would stall. Cool then another 10 blocks and it would stall. This is no way to look “cool” when you are 16 and with a girl on a first date! In the end we made it to the concert at the Cow Palace on the opposite
end of San Francisco and then back the 70 miles to our hometown. I was mortified the entire day. Turns out the thermostat stuck closed and caused vapor lock. Ever since I have HATED that buried thermostat on Chrysler Big Blocks with A/C. Perhaps the Meziere
Enterprises inline in the hose unit would not be a bad idea for cross country trips!
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