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In Park or Neutral I can rev the stuff out of the 5.9L Magnum engine in the Demon to even almost 4K and snap my foot off the pedal and the RPM plummets but settles normally at about 850RPM just fine. However, when I do the same in gear (either holding the brake or moving forward), the...

Can someone break down timing an engine (specifically a 5.9 Magnum) to something I can understand? I'm kind of stupid about this stuff. I thought I understood timing, but I realized that much of my engine's issues could stem from bad timing and too much/little advance, so I would like to retime...

Is a tapping sound normal? I've checked rocker arm torque, and there doesn't seem to be any preload (.000"), but I still have this pretty fast tapping. I don't even know where to start looking. It's kind of quiet, but very fast; probably a similar speed to the RPM. Would a lifter tick be...

After all this fun with a snapped rocker arm bolt and bent pushrod (loose rocker arm bolt, I think), I fixed the valvetrain and fired 'er up again. Sounds great, no issues mechanically with the motor (360 Magnum). The fuel, however, is a being a brat. Some of you know that a couple weeks ago I...

I'll try to congregate all of my posts from Moparts in one thread to a single post here: The Demon's engine suddenly died on me on Wednesday. I started it up that morning without any issue, just like every previous day since I started the engine for the first time. By the way, its a 5.9L...

So I see a fundamental issue here - I'm not supposed to take the car past 3500RPM for a while, right? Well, if I do that while driving down the road, I'm going to be in first gear the entire time. My shift points are at 3500RPM (first to second) and 4100RPM (second to third). What should I do?

I saw that my head gaskets covered a 3/8" water jacket hole in front of #2 cylinder. It was the only hole covered though. I was wondering whether I had the head gaskets on the wrong side? They definitely weren't upside down, because there was no hole for the water jacket in the rear of that...

Which throttle and return spring brackets do you use for a Magnum engine? I just noticed that the stock LA throttle brackets attach to the intake bolts, which are obviously angled differently than the Magnum intake bolts.

I have had my engine under a Summit engine bag for a couple months now, only working on it when I can get parts for it. Yesterday, I found some rust in one cylinder bore. It turns out, when the garage door was open, a drop of water dripped into the bore. I caught it yesterday (water got in...

I finally got the remaining piece of the previous owners dipstick out of my short block today. When I went to put the new MP dipstick in though, I found it would hit the mechanical fuel pump. It's a magnum block, so does that mean I need a curved dipstick tube? Thanks

I'll try this here since moparts' technical forums bite balls. I'm about to order my camshaft for the 5.9L Magnum with LA timing set/fuel pump, and I have come to a crossroads. I need your advice on which path to take. Right now, I am cylinder-headless. I have the original iron Magnum heads...

Hey all, I am getting into the final stages of my LA/Magnum project. Still a lot of $$ to go, but I feel like it's coming together (or will be once I get those heads). However, I still have some questions: 1. Flex-plate: What am I looking for? 2. Vibration Dampner: which kind? Thin/Thick...

I am pretty lost in my cam choice. I know a bit about cam profiles and such, but I don't know what is/isn't really streetable. I am basically looking for something with a standard-ish profile without much lump, but also something that will yield more power than stock. So I want to know what...

Anyone done this? It changes the pedestal-mount rockers to stud-mounted rockers, much like Chevy heads. I was thinking this might be an economical way to get a bit more power (more lift) with a smaller pricetag than edelbrock heads. What do you think?

I know you have all seen and replied to these threads before, but I have a little different situation. In another thread I showed my recent acquisition: A 1998 Jeep 5.9L (360) Magnum long block. It was pulled with low compression at 149,*** miles, but I haven't pulled anything apart to see...

I have been looking ALL over for the oil sending unit. I cannot find it for the life of me. All I know is that it's toward the passenger side of the neutral safety switch and to the drivers side of the AC unit. It's not on the back of the block, not near the oil pump that I can see, and not...