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Hey guys. So I'm going to be doing a trans swap on my 340 dart once the weather warms enough to free my car trailer from the snow, but in the mean time I'm trying to nail down the specs on my engine. It is a 340 without a doubt but I can't be sure of the year. I can't tell what the number on the...

Hey all. I'm going to re-time my 340 so I wanted to see what everyone thinks for timing. It is a 340 with 10.5-1 compression, J heads with 2.02s, 508 lift cam with 248 duration and 108 lsa. Intake is an M1 with a mighty demon 750 on top. 3.91 gears in the rear. What's everyone think for initial...

So I'm trying to hunt down the original builder of my engine to get the cam specs but in the meantime, I've uploaded a video of a 1k idle. Can any of you take a listen and see if you might recognize it. I know it's less than scientific but perhaps a couple of you may have a rough idea. Thanks...

Hey guys, I'm starting to go nuts here. I have a 340 with J heads, M1 high rise, Mighty demon 750 (which I hate btw), and aggressive cam. I've had an issue getting consistent running with it. I can't seem to get the idle right. It will idle, then you drive it, and it won't return to idle, it...

I posted last week that I was getting a leak I thought was coming from either the rear main for the oil pan. After a little investigation I figured out there was too much oil in the engine. I drained it, and replaced the correct amount of oil. Within 12 hours it had dripped and within 24 hours...

Simple enough...stock 340 oil pan, how much oil should I be putting in it?

I've got an oil leak on my 340. It has a stock pan and was rebuilt within the past couple years. It leaks oil from the rear of the engine when it's just sitting there, even if it hasn't been run for days. Not a ton, but over a week of sitting it leaks enough to make me not want to drive it. I...

Hey guys. Just curious what all is required to remove the stock oil pan on a 340 in a 73 Dart sport to put on a new gasket.

Ok guys, my dream 73 dart sport 340 is quickly becomming my nightmare. Lets do a quik timeline of events... -Got 340 swapped in and running...drove great -cut a transmission cooler line on a belt, blew oil everywhere -fixed it, cleaned it all up, tried to go to a cruise in, about 5 miles away...

Hey guys. I've finally got things sorted out with my 340 as far as getting it running. It runs great but I'm getting a noise. I can't seem to tell if it's mechanical or what. My buddy describes it as a slap. There is a small exhaust leak under the car, but i dont think thats the cause. What do...

Ok so I have a 340 with an ultradyne cam, M1 intake and demon mighty demon carb. The car was running a bit rich, which I knew. It was tuned to run 100 octane. The previous owner didn't know that and was running 112. Just for the time being I was running 93 with booster and pulled some timing and...

I just got my 340 into my dart sport and got it inspected. When I got home I thought I smelt oil, so I looked underneath and there was oil on my headers. I got it in the garage and opened the hood after I noticed oil dripping from several locations. There is oil everywhere! It looks like it hit...

So I just pulled out my 340 to put it in my dart and when I drained the oil it looks dark green. The engine was rebuilt not that long ago, but not by me, so I don't know if it's some type of break in oil or what. It also has a gas smell to it. But I've never changed oil that doesn't smell at...

I've read a couple little things here and there but never gotten a straight answer. I have a dart sport 318 and I want to drop in the 340 that I have. What all do I need to do to drop in the 340? I heard all I have to do is change the driver's side engine mount. Is this correct? And what's the...

I have an opportunity to pick up a built 340. Here is what I know, it's a 73 Block with J heads. It has flat top pistons, and the heads have been worked to a 202 intake valve. It has a 3 angle valve job. It has an M1 intake, and mighty demon carb. It has a stock crank that I believe is...