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I have not gotten anywhere yet. Soon I will borrow a friend's spare 69 Swinger radiator to test. I am also going to order a stock thermal fan clutch today, even though I do not know, theoretically, if it will help. They aren't expensive and the one on my car is 54 years old. Yesterday, I...

My timing with the vacuum advance connected is all in @50 degrees @ 2,200 rpm. I do have the huge 7-blade 18" fan and the thermostatic clutch. I hope to heck there is nothing wrong with the tolerances in my engine. I had a reputable shop balance and blueprint it. I don't know what the cruising...

I removed my Glen-Ray re-cored radiator and I'll perform this test when I install a radiator that I am borrowing from a friend. My radiator overflowed quite a bit with a 16 lb cap, and a 50/50 glycol/water mix, every time I shut her down after it hit 220 degrees. I can't find any info on a...

When I drove my 1969 Swinger 340, 4 speed, with a 3.55 rear end gear, on the expressway at 75 mph (3,500 rpm), it overheated at 220 degrees, in only 2 miles. Driving on back roads at about 45 mph, the temperature gauge always remained at about 180 degrees. The 340 was rebuilt a couple of years...

Update- When I started the Swinger up recently to change the oil, the 340 was missing, which was a steady fumbling for the first time, unlike the intermittent miss at 2,000 rpm. I switched back to the Pertronix Ignitor III and the engine ran fine (sitting in the pole barn). I also noticed that...

I hate to do this, but I’m going to throw some parts into this, in one fell swoop. I think the intermittent nature of this ignition issue calls for this approach, instead of utilizing the process of elimination. There doesn’t appear to be any way to take an educated guess to narrow down a...

My 1969 Swinger 340 has an intermittent, one time miss/cutout which causes the car to jerk. It seemed like the ignition system cut out completely for a second. It always happened when I was cruising back roads, at about 2,000 RPM. This was nothing like a spark plug misfire. At first, this...

Doug 371 is correct . The 1969 small block radiator bottom hose is on the driver's side, while 70 on up is on the passenger side. And the timing tab on the timing cover also switched sides, as did the timing mark on the harmonic balancer. I called Glen-Ray yesterday. The cost for installing a...

I'm looking at purchasing the OER Radiator Number MA2246A, from Classic Industries, for my 69 Swinger 340, 4 speed. This radiator is a 3 row for an automatic. The stick 3 row and 4 row radiators have been back ordered for a long time. My original radiator number is 2949066, which I believe is...

I purchased 69 Dart small block heater hoses from Mancini. It turns out that the kit was for two 5/8" hoses (same thing at Classic Industries). I've read Forums here and it sounds like most 69 Darts had two 5/8" hoses. I don't know if my heater core is original, but one hose is 5/8" and the...

I wanted to follow up with the solution to my defective Idler Arms. Last week, I received and installed a Moog Idler Arm from Firm Feel, which they machined to install their bearing kit. The cost minus shipping was $310. That's not cheap, but I wasted 3 weeks trying to fix the steering. Great...

I can't tell from the video if the idler arm is moving up and down on the bushing or if the washers are missing. You can determine that once it is removed. Here is the link to my recent thread about defective idler arms: Defective Idler Arms

My understanding is that everything that you stated is correct. But I am no expert. By the way, the attached picture shows the groove in the upper part of the K Member Bracket that was caused by the bushing turning on the Moog Idler Arm.

I ordered a Moog Idler Arm from Firm Feel Monday afternoon and they installed their bearing kit on it. They told me their kit only works on the Moog Idler Arm (K7042, I think). My old Idler Arm rotated around the bushing. This seems correct because that 9/16" bolt (with washer(s)) is torqued to...

Thank you Townsend. I ordered that fitting from Summit and just received it. I think you meant that the hose end is 1/2", which fits my 1/2" heater hose perfectly, not 5/8" (for anybody else looking for the correct 1/2" fitting). And the other end fits my Intake Manifold. Much appreciated.

I replaced my Idler Arm on my 69 Swinger about 5 years ago with a Moog Idler Arm. I heard a clunk recently while turning the steering in the garage and noticed that the bushing end with the large bolt and nut had slop. I removed it, secured the bushing end in a vice and tried to rotate the arm...

Does anybody know who sells an Intake Manifold fitting for a 1/2" Heater Hose on a 340? The fitting would need to reduce from 5/8" at the Intake Manifold to 1/2" for the Heater Hose. I bought Mancini fittings, but the Heater Hose fittings are 5/8" on both ends, which is fine for my 5/8" Heater...

Thanks Kevin. You went above and beyond. I saved that Mopar Action magazine if it is ever required again.

I also want to quote portions of the article in an update to a previous Post. Could we go back to Plan A? Could you please mail me that magazine and I will mail it back to you when I am done with it? Frank Stankiewicz 4301 Donnely Rd. Jackson, Mi 49201 Thanks again Kevin

Hello Kevin. Thank you so much for the article. The weird thing is that I can hardly read it all. It is a very enlightening article though. I have had oil starvation and bearing issues with my 340 and am thinking about making an oil pan baffle.

Hello mopar74. Do you mean my mailing address? If you have a scanner on your printer, you could just scan it in and email it to me. If not, I can scan that article in, post it for everyone to read and send the magazine back to you. Thank you very much....Frank

Does anybody have the complete December 2002 Mopar Action article entitled “PAN-DEMONIUM; OIL CONTROL FOR STREET ‘N’ STRIP? Mopar Action History – December 2002 This article is about fabricating a homemade baffle for a small block oil pan. Attached is only one page of this article that I...

Following are some answers to your questions and some additional info : When I first started this engine after the rebuild, I still had the oil pressure gauge hooked up. The oil pressure was fine and I immediately held the RPM between 2,000 and 2,500 for 3 ten minute cycles, as recommended by...

I had a 340 short block rebuilt in 2018. I pulled the engine this winter because the rear main seal and the timing cover seal leaked and a bad lifter knocked occasionally, for a few minutes after startup. I thought I might as well get the cam lobes checked since I already had the 340 torn apart...

Sorry to beat a dead horse yet again. In 2015, I read countless posts on the 1969 340 engine color. The vast majority of them stated that the 1969 340 was painted turquoise, therefore, that’s what I painted my 340 in my 1969 Swinger. In addition, as I recall, the 1968 340s were painted red, the...

My 69 Dart Service Manual states that the 10" front brake lining is 2 1/2" wide. Is that correct? I only see front brake shoes for sale that are 2 1/4" wide.

None of the parts I listed are non-stock. They are all reproductions of the original parts purchased at Brewers. Do you know if the short Fork Pivot is correct? Brewer told me that the small one is for a big block and the larger one is for the small block. They should know, but I still wonder...

Thank you for your questions and comments. I laid under the car with the inspection cover off while the clutch pedal was pushed with the engine running. The grinding is coming from the Pressure Plate or the TOB and not from the transmission. The clutch disc was installed the correct side toward...

The clutch grinds on my 1969 Dart 340, 4 Speed, when I fully depress the clutch toward the floor. I recently installed a McLeod Borg and Beck Pressure Plate. I believe that I have the clutch adjusted properly with 5/32” slack at the fork and 1” at the pedal. Has anybody else ever encountered...

I found one of the Forums (attached below) about Pilot Bearings, that I had read in the past. For whom it may concern: Madscientist said "I despise roller bearings where a pilot bushing SHOULD be. I have had to repair (at the minimum) 15 input shafts that are wrecked from roller bearings." Any...