Newport 1977 - lean burn delete by ProForm 440-427 Electric Conversion Kit and Edelbrock carb 1406

[Newport77]

Dear Chrysler Enthusiasist,
is here somebody who could help me with lean burn delete by using ProForm 440-427 Electric Conversion Kit and Edelbrock carb 1406 ? Maybe somebody of you have pictures when you did the same conversion where to hook up wires and what vacuum lines hook up and where or whats to be blinded etc.
I know there are several sensors in engine.. so those just to be staying there unconnected or ?
how to hook up original wires which are going to lean burn computer?
Our issue is timing advance is changed too much and engine not running well we made basic set up to 20 degrees but than when measured it and it is showing 38 than even more .. 65 etc. so i would say computer died or not working as it should.
I am already in not running car more than year and nobody here in Czech Republic is able to help as simply we have no other same car like this one here.
many and many thanks for your support which is much appreciated
have a nice day
Vladimir

 

[halifaxhops]

You really need to get rid of the computer, change the carb and wire the distributor like this diagram. I am not sure of the curve in that distributor.

 

[Newport77]

You really need to get rid of the computer, change the carb and wire the distributor like this diagram. I am not sure of the curve in that distributor.
View attachment 688566

Thanks a milion for supporting picture it will help for sure. Dont you have any vacuum diagram how to be hooked up ? With new carb?
Do you think what i have described is really bad computer when timing jumping from some base degrees extremelly up than down?
i guess something like temparature sensor can stay in engine just not wired, right? And the others toho

 

[halifaxhops]

That computer drives the timing with a locked-out distributor so prob. The vac advance goes on the ported vacuum on the base of the distributor. At idle there is no vacuum

 

[CBODY67]

With the new distributor, which has a performance mechanical advance curve in it, forget about the factory timing settings (on the decal near the radiator). Set the initial timing in the 10 degree BTDC range with the new distributor. With a hot base idle speed of about 600-650rpm with the vac advance unplugged and capped at the carburetor port. Run the vac advance from the ported vacuum port, which is how Chrysler did it OEM on non-Lean Burn cars.

For ease of conversion, you can just unplug sensors related to the Lean Burn system as they will not be needed. The throttle position sensor on the rh side of the carb can be put "on the shelf" with the old carburetor, too.

Head over to the www.bbtr.de website and possibly network with some of those people as to parts and service for your Chrysler in Europe.

Take care,
CBODY67

 

[Newport77]

You really need to get rid of the computer, change the carb and wire the distributor like this diagram. I am not sure of the curve in that distributor.
View attachment 688566

Thanks a milion for supporting picture it will help for sure. Dont you have any vacuum diagram how to be hooked up ? With new carb?
Do you think what i have described is really bad computer when timing jumping from some base degrees extremelly up than down?
i guess something like temparature sensor can stay in engine

With the new distributor, which has a performance mechanical advance curve in it, forget about the factory timing settings (on the decal near the radiator). Set the initial timing in the 10 degree BTDC range with the new distributor. With a hot base idle speed of about 600-650rpm with the vac advance unplugged and capped at the carburetor port. Run the vac advance from the ported vacuum port, which is how Chrysler did it OEM on non-Lean Burn cars.

For ease of conversion, you can just unplug sensors related to the Lean Burn system as they will not be needed. The throttle position sensor on the rh side of the carb can be put "on the shelf" with the old carburetor, too.

Head over to the www.bbtr.de website and possibly network with some of those people as to parts and service for your Chrysler in Europe.

Take care,
CBODY67

Thank you so much for support I will try web you informed me about and give your tips to shop where they try to make our baby running well again

 

[CBODY67]

As to the timing varying, almost as fast as the digital display can change, that could well be normal, in many respects. With the base idle speed set by the screw on the carb, the other things to "keep things running" is the timing amounts, which can vary. If the engine speed decreases, more timing to get the speed back up. If the speed is too high, les timing, etc. All happening in milli-seconds.

The carb should have an instruction sheet as to which vac ports on the carb are for what engine function. PCV, ported vaccum, manifold vacuum, etc. There should be an existing vac port in one of the intake manifold lh rr runners for the power brakes, cruise control, anc hvac vacuum source already. Htose to not change.

The small manifold vac port on the carb can go to the factory air cleaner, to run the door in the snorkel. Ported vac to the distributor vac advance. The large PCV line goes to the PCV valve. Nothing complicated. You might find the installation instructions on the Edelbrock website, too.

The line from the fuel filter to the carb can be bent using a length of brake line tubing and a manual tubing bender. You can cut the flared ends off, if needed.

In related areas, you might plan on replacing the rubber fuel lines at the rear of the front stub-frame, at the fuel tank, and at the fuel filter. Then you won't have to be worrying about them later.

Enjoy!
CBODY67

 

[halifaxhops]

What carb?

 

[CBODY67]

Edelbrock 1406, post #1.

Does not mention which intake, though. If using the OEM spreadbore intake, the modification operations for using a non-spreadbore carb are in the YTube channel 318WillRun, using a grinder and such to enlarge the primary side so the throttle plates don't hit it.

CBODY67

 

[Newport77]

Edelbrock 1406, post #1.

Does not mention which intake, though. If using the OEM spreadbore intake, the modification operations for using a non-spreadbore carb are in the YTube channel 318WillRun, using a grinder and such to enlarge the primary side so the throttle plates don't hit it.

CBODY67

I have original intake manifold, I purchased adapteur from Edelbrock for carb to manifold, and also throttlw adapteur as this was adviced me. I believe it should be working fine.
I appreciated a lot you shared both of you with me all of the experience you have

 

[Newport77]

Dear Chrysler Enthusiasist,

CBODY67 and halifaxhops thank you so much for all of your responses you provided me here. I can show you now picture of our Newport. Just arrived back from the shop where they were able to do conversion with proform kit, Eddie 1406, new spark plugs, wires, new/redone calipers, rotors, pads, front bearings, brake fluid, oil and maybe something else I hope now all will be running as it should and we can add more milages to original 55k when spring is here.​

thank you so much one more time, appreciate it
Vladimir