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I've built a couple small trucks with unconventional drivelines with good results (16 speed Land Rover, 5' extended driveline Range Rover). This is my first class 8 truck. I have an M820 chassis cab, so extra long wheelbase, plus I'm sliding the tandem all the way back on the frame rails...

I remember your truck. I've asked you quite a few questions over the years as I've tried to learn from your experience (and I've appreciated it!). I'm putting a turbo on with a little boost (10 lbs or so) an intercooler and shooting for around 200 lbs rail pressure. EGT gauge of course. If I...

In my Land Rover, 4th gear in my main gearbox is the strongest gear in the sense that it goes right in one end of the gear box and out the other, one to one on the same shaft. The layshaft (counter shaft) isn't involved in that gear so it's capable of much more torque. I put an intercooled...

Thank you! That answers my question. 800 ft. lbs. is enough for me. I was only planning on around 300 hp anyway (due to the transmission), so that firms up my target as I gather parts. Thanks for your time.

I know I found the specs for max input torque once... but I can't find them now. I'm turning up my 250 and I'll be pulling a 30k trailer. I was wondering if any of you who have already tuned up their 855's or swapped them out for a bc350, 400, etc. are still running the 6000 series Spicer and...

Good advice Techno. Thanks.

Nope! Mine's parked safely across the street. Haven't moved it since I got home. I needed a break.

Thanks Nomadic. The transfer case was swapped out last Friday. I flew back to Butte Friday night and set out again Saturday morning. On my first walk around I noticed the air cylinder on the rebuilt case has a leak. At the forward end, around where the "end cap" bolts to the cylinder, not at...

TechnoWeenie- I do feel like there were some avoidable issues. I just had to accept it was a risky endeavor going into it and hope for the best! Fasttruck- Thanks for the tip on the solenoid. Didn't know there was a "bypass" screw, of sorts. I'll keep that in mind in case the solenoid...

Thanks NDT. That's the reassurance I needed. Proper lube and "mechanical sympathy" is what it'll get from me. I do appreciate "low range 5th" to fill in the hole between 3rd and 4th in the mountains. I had to take off in low 2-5, then go to high 4 just to avoid having to use two hands at...

It is about 4,000 miles. 1,000 from Philadelphia to Florida, then 3,000 from Florida to Seattle. It only showed 28,000 miles and 900 hours on the gauge so I expected a lot of seal leaks and things, maybe a starter, but I was surprised by the transfer case going out. I suppose it was a rough...

That's the first thing that popped into my head, Simp. And NDT, I also think that's very good advice. I actually found a fab shop willing to extend the drive shaft but I would have to pull the transfer case out, outside in the gravel, by myself, borrow tools etc, so I decided against it in the...

Thank you guys. I messaged Jarheadmtn to see if he has any "lines" on a xfer case in Montana. I haven't heard back from Eastern yet, but it's probably only been a few hours since they got my email. I'm looking for a good heavy truck shop in town right now. I can drive in low range to get...

I'm stuck in a parking lot, using my cell to get online, but I'll try to check back as often as I can! Argghhh.

Well, I'll cut to the chase. I left Florida, made it as far as Butte, Montana and the transfer case went out. It jumps out of high range under load (accelerating or engine braking) I've adjusted the linkage to make sure it has full travel. It takes the strength of 10 men to hold the lever...

I'm offshore with a very slow internet connection and can't post pictures but at some point, I will. Part 3. Yep. That's coolant. Luckily the leak was just a crack in the hose near the clamp so I was able to cut away some hose, push it further onto the radiator and re-clamp it. Seems...

Part 2. Confident that the engine would no longer spontaneously shut down, we squeezed through the tight neighborhoods until we got to an intersection wide enough for me to make the turn and headed back onto the interstate. After working up through the gears to overdrive, running at 2100 rpm...

The following is what it feels like to buy a 47 year old, 20,000 lb plus truck (sight unseen) and drive it about 1,000 miles with no tools, the mechanical gremlins we faced and how we overcame them. It's a lot, so I'll be writing and posting in installments. We flew up to Philly on Sunday...