Cool driveline!
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1. If the noise outside is OK for you the noise inside is less. I do think sound deadening should be budgeted in for a diesel swap. A couple other things will affect noise like what kind of muffler used, the tune on your injection pump (more power usually = more noise), even the kind of fuel used (bio diesel is a little quieter), and a cold engine vs a warm one....It's a little louder now since I've done some tuning for more power.
For vibs that also depends on tune and how you have it mounted. I get vibs when I'm at a stop with the tranny in drive and the rpms down low (<750). Now if I put it in neutral the vibs go away. The 4bt really doesn't vib like others make it out to; set up has more control over that.
2. Stock shafts: Disclaimer would be tire size and tune on the 4bt. For my experience it's been with 35-38s and from est. 150-195hp est.(340-400ftlbs.) in front of an auto tranny (absorbs some of the shock loading). I like to wheel but don't like to beat on my stuff.
Drive shafts. Yes these hold up just fine even with more power like me.Rear axle shafts. These held up fine too along with the polys I upgraded toFront axle shafts. Never took a chance and upgraded to long's super set right at the beginning. With my intent to wheel and have a front locker it's been proven this needs upgrading with the 2f and bigger tires.
So, if Im using the hydro motor mounts, itll help a good deal?
Also, how much lift did you need to clear the motor? I know that the 80s need like 4" but could I get away with the OME/ MAF 4" SR heavy kit or is SOA a must?
That is some nice flex you have there, are you running modified spring packs in the rear? Or did you swap in some chevy springs?
Truck is really looking good Mike! Anxious to here about the tranny control and TPS mods. Any chance Zach is getting another work party going this week?
Clint