Recent content by Moparfiend

Everything I read, said it should be cast. But hearing from other people who broken down bunch of these motors, they said that they found a lot of forged crank in them from the factory. Maybe it was overrun or overstock. But I’m not complaining.

Does this help?

I did what am I missing?

Soooo what do you think?

From my 1970 318 original motor in the sport satellite. Looks forged to me but I am no expert. Is the 318 crank the same as the 340? Same stroke? Thanks, Ron

mine came out very well too although it would have been better if they were already cast that way.

Well new u-joints and balanced drive shaft and the vib is gone. I still get a small low frequency drone at 55+ but I am not worried about that so much as it’s not real noticeable. Bigger fish to fry kinda thing. I know some people chase that drone in perpetuity……kinda like purgatory lol...

I realize I've done some work since posting originally. So I thought I would post a few pics and link to my restoration. 1970 Plymouth Sport Satellite from Junk to......

I assume she gone?

I had thought all 383’s were forged cranks?

Any pictures? Let’s that thing!!

It’s smooth. I was just curious how bad a miss-balanced motor would behave. If obnoxious then I could assume it’s and externally balanced crank and thus set up is ok.

Thanks guys. I am chasing a vibration. The engine idles a little rough but at 50 the vibration is noticeable. The reason why I asked because if it was crazy, crazy vibration then that wouldn’t be my problem, but if it’s a mild vibration, then it still could be the issue as I don’t have the build...

How bad would an engine run if the engine was internally balanced but used a harmonic balancer and flex plate that were weighted for an externally balanced engine? How would it idle and also how would it cruise at 60? Also is the balancing of an automatic the same as a 4 speed? Meaning the...

Wow thank you so much for taking the time to respond in such detail! Really appreciate it!