>Here's the Issues
>318 chrysler 5th ave. all stock other then replaced electronic spark control with vaccume advance distributor kit and advanced cam 10 degrees
> started puttering, stalling, and bogging down under light acceleration. had to Jam the Pedal to keep from stalling.
> guy at local shop told me there was carbon buildup in intake. pulled off intake and found no such blockage. Big waste Of time.
> Rebuilt carb and had it properly set, seemed to help the stalling some but now is backfiring and puttering still under light acceleration.
>Very Frustrated and annoyed. I really want to get this car running before the winter.
>also Began spitting black soot out exhaust. not likely oil because it turns into a powder once dry.
>Please help! Thank you!

 

Welcome. Your well described symptoms are a rich (too much) fuel mixture. Is your choke system sticking closed?

 

Thank you, And Hello!

My Choke is not sticking. I watch it while the engine warms up and take it around the block to verify and it stays open when warm.

How can i test if it is running rich?

 

x2 for too much fuel but I have a couple questions?

You are running the stock cam advanced 10 degrees? How did you accomplish that?
When you set the carb what were your vacuum numbers at idle?

 

hey that 5th is the same as mine wat a trip same color car and rims funny small world:welcome2:
it sounds like your timing is to advanced 10deg is allot even with my supped 318 it does not run with 10 im at 5 with a mallory ss electronic distributor
im assuming you are talking about the ignition timing not the cam timing
it will have allot of the same symptoms back off your timing to factory setting and see wat happens
if you advanced your cam gear with a adjustable timing chain gear set that can/is a issue a we need more info to help

 

With today's fuels it is sometimes hard to tell, What do the plugs look like ???
The 318 should run fine with 10 deg before BTDC You may be setting it at 10 after? ATDC
you dampner may have some strange marks from being a lean burn system. So check TDC
Check the NEW Mopar Action Feb 2013-- Mopar Tuning Guide

Could also be that the carb is too lean? Or you could have a plugged cat converter

 

Hello!

@ PK1 > My "Mechanic" Said he advanced the cam 10 degrees when he was Helping me install the vaccume advance distributor kit. im not 100 % sure if it is a cam or distributor advance. If it is a Distributor advance do you know how i can check it or loosen it enough to play around with?
>Also, The carb did not need any adjustments when it was rebuilt, I checked all the clearances and were a-OK.

@Gorts5th > Thanks Man. I Love My car. it originally had the light blue interior, and I had a beat up old 84 5th ave with a MINT Royal dark Blue Interior with lots of chrome and i swapped them out. there's not alot of old 5th ave's around any more. I wish I had Enough $ and Space to buy them all up!
> I've never messed around with timing but i do have a strong suspicion its timing related. is it possible to advance the cam without replacing any parts?

 

@ TVLynn > I Was planning on checking the plugs (fairly new) tomorrow. will let you know. I did also suspect a plugged cat because it was sitting for a few years before I bought her. Could that also be why its Spitting out what looks like Carbon Deposits from the exhaust? is it common for deposits from the exhaust after removing and cleaning the intake?

Thanks!

 

OK we are talking about the distributor as suspected. Not the cam shaft Yes sometimes it will blow out carbon -that may be just from the muffler. Try disconnecting the cat or remove the O2 sensor if it is not rusted solid to create an ex leak, leave it hooked up. See if it runs any better. Or if you have a vacuum gauge ? Hook it up and check the vacuum at idle, the run it at a fast idle for at least 1 minute while watching the gauge if it drops off that could indicate a blocked exhaust system- cat or muffler

 

oh yea JAM i got the royal blue interior and it s in great shape no rips or cig burns and your right they are a rare car in the junk yards when i see one i try to buy the spare parts i can tail lights front turn signal side marker any thing plastic that will deteriorate and i store them
if your mechanic advanced the cam too crank timing he would have to change out the the timing chain and gear set out of the front of the motor which means he disassembled the front of the motor

 

From your description, it sounds like it has the original cam and cam drive? If so, this would be the old "nylon" top sprocket, and it may have slipped time.

But first get a timing light on it and see what the timing IS. These engines should run fine in stock form from about 5--10 BTC at idle with vacuum advance disconnected.

Otherwise, you could have some dirt in the carb