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I am pretty sure that the distributor will dictate if it the vacuum advance goes to ported or unported (manifold vacuum-full time vacuum). Anyway I am hooked to the ported vacuum . This is the fitting on the passenger side (I wasn't sure if the "left" and "right" mentioned in this thread was...

I feel like my car is lacking in the acceleration department. It runs very well otherwise. It has an Edelbrock 1406 600 CFM Performer carburetor and a Mopar performance distributor. The vacuum advance is hooked up and functions. It may advance the distributor with a little more vacuum than it...

I have a 70 300 convertible that I've posted about here a few times. I have had a long time struggle with a very faint pinging sound while cruising under light throttle. Long story short is that I think I may have fixed the problems that were causing the issue which, I hope anyway, was caused by...

Here is a photo of the current mufflers. They are 13" long and 10" wide with offset "IN" and center "OUT". The number is 30991 I believe. Do these look familiar to anyone? I will go online and see what, if any, Walkers come up with this size. Thanks

Way back in 1973-75 I worked in an antique store and the owner had a 1966 Dodge cargo van. The slant six motor with the 3 speed on the column provided many entertaining moments. We would deliver a piece in Brooklyn or some other God forsaken borough of NYC. On the way home we would often go...

It was EXTREMELY LOUD! The car was inside the garage but the door was rolled up luckily. The outer sheet metal is all blown apart so I think they should get replaced. If the outer is blown apart I imagine the insides are even worse . Walker mufflers come in a few different versions/models so...

Several years ago I changed the dizzy on my 300. I f'ed up the install and filled my mufflers with gas fumes. Then I filled them with a spark and they blew up :). Very fewiles have been put on the car since doing this and I lived with it. Now I'm driving it more and the tinny noise bothers me. I...

Cool. Thanks

Can someone please offer tell me how to find a cable for this vehicle please? I went to the apt website and they don't list one for my car. Thanks

I ordered springs for the Mopar/Mallory YH style distributor. I am trying to lower the total timing including vacuum advance. I've been getting detonation at highway cruise speed. The distributor is a Mallory with a 9" canister which gives over 20" vacuum advance. The distributor mechanical...

I don't know other than drilling the idle tubes? I was hoping someone else may have the same model carburetor & could offer their experience. I am trying to understand the timing/carburetor indications regarding this detonation & so far the timing is the only thing that has gotten rid of it...

I did some more investigating, trial & error. I've been trying to use an Allen wrench with a ball shape end. I've generally found these to be just slightly smaller than regular but in this case it was larger. On a whim I tried another 3/32" Allen wrench & it fit the vacuum can. I turned it CCW 2...

It is a stock 440 TNT original to the car with 55k miles on it. I suppose I have a Prestolite distributor because the vacuum advance can has a hex shape. I would swear it came as part of the Mopar EI kit with the orange box? Thanks Howard

I am still chasing my tail with the Edelbrock 1411 carburetor on my 1970 300 vert. The issues I have are a very slight stumble from a stop and while cruising and letting off & getting back on the throttle and a detonation at light throtlle while cruising. I completely disassembled the carburetor...

All I can say is I took it off of the rear of the speedometer to check out that end. It isn't very easy to get to. I put it back and it seemed to slide on just fine and I could see the housing at the end of the cable seemed to be well seated on the back of the speedometer. Don't know what else...

I restored the instrument cluster on my 300 a couple of years ago & have driven it very little since. Recently I've been driving it trying to figure out some problems and I noticed the speedometer isn't*working. The cable/housing/clip are securely attached to the speedo. Can I remove the...

Thanks for the great information. Moper- are you saying the factory was feeding the public a bunch of B.S.? The "TNT" 440 FSM says the cam is larger in the TNT but I can't prove it. There are several specs in the FSM that are different between the 440 4-bbl and the, "high performance 440". This...

I also need to get a tach & vacuum gauge in the vehicle & drive it to see where the vacuum is at cruise speed. Do all Mopar Performance distributors have the vacuum advance that is adjustable? Right now the vacuum at idle is 17". The TNT 440 has a slightly larger can than the stock version...

I played a bit with metering rods & step-up springs with little improvement. I went into the carb and it was a mess from sitting with ethanol fuel. It also ate the fuel pump. I took the carb as far apart as I could and cleaned it in my super duper, non Harbor Freight, USA made ultrasonic...

I'm not sure what the timing is. It's been a long time since I set it up. I doubt it would have anything to do with the total timing advance but more with either a lean condition at very light throttle or the timing advancing at too low an RPM for such a heavy car. I'll call edelbrock today &...