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  1. J

    Is a Pallet of topsoil too heavy?

    I'll bet the rig will take it.... wouldn't myself though. Your rear axle rating should be something like 6k, and the frame / drivetrain shouldn't have a problem. I'd be a bit concerned about the tires, wouldn't be surprised if you were pretty close to max load on them. *Much* more of a...
  2. J

    Why would someone do this

    Well, that's one way to clean the yard... just bolt all the random junk on the side of your truck and call it art.....
  3. J

    Decided to rebuild the IDI

    I'd guess torque converter. That being said, I'm not sure if you can pull the engine without dropping the trans off first. I've always removed the trans and left it sitting on a jack or pulled the engine and trans together. (possible, but have to be able to angle it pretty good) Might also...
  4. J

    DNE2 Shift Motor Replacement Odd

    Do you have a DNE2 or a US Gear box? As far as I know, the US Gear is the only one that has the delay box, DNE2 should be directly wired to the motor and use the control switch in the box. None of the units I've looked at (3-4 DNE2 & 1 USG) had anything like that relay motor thing... not...
  5. J

    SF Bay Area GTG memorial day weekend.

    Last April. Spent my ~4 years playing around on ships, now going to school up here and then will go off to work in a shipyard next summer. Moving is such fun.....
  6. J

    Let's talk filtration

    Don't disagree that filtration is important, and that certain brands are worse than others, but I would also submit that it's not something that's worth panicking too much over. How many rigs are there out there running random brand sub optimal filters? Both idis and other engines.... not like...
  7. J

    SF Bay Area GTG memorial day weekend.

    Just saw this, will plan on being up there though there's some chance I'll be out of town instead....
  8. J

    Cruise control year fitment

    Ah yes, idiot moment. Forgot how the PSD works. :rolleyes: LOL One off a gasser may work though.
  9. J

    Cruise control year fitment

    You sure? Just from randomly looking at junkyard trucks it looks like gas & diesel 93+ (i think) seemed to share the same servo unit, which at least on the 93 unit I have has the computer built in. I know the engine is completely different, but cruise system seems to be a standalone system that...
  10. J

    Custom Turbo Installs

    If it's your business I'd suggest getting a newer truck if you think you need more power - no matter how you do it the reliability is going to go down if you start trying to turn things up, and what are you going to do when the engine blows up somewhere? Not something I'd risk personally.
  11. J

    Custom Turbo Installs

    I have a thread on here from about 3 years ago on my HX35 setup - mine is completely custom fabbed (in stages mind you) and has worked well so far. I can run 55-60 pulling a 5-6% grade at 16k gross which is good enough for me. Top out at ~20 lb of boost. Big thing is to have a realistic idea...
  12. J

    Some hydroboost swap questions

    The pin difference is something like 3/4" IIRC - somewhere on here is the exact dimension. Might be in one of my threads, can't recall exactly. I cut the vacuum boost pin off and made a new pin out of a bolt - 7/16" IIRC? Through drill the petal and weld the head on the backside. I then got a...
  13. J

    Picked up a complete turbo kit for $96 dollars

    Turbo rebuild is pretty straightforward, but I think your compressor wheel is shot from the pics - looks like it's got some chips. Not sure I'd mess with a special wheel - the turbo is not really a limiting factor on these but rather head gasket/bolts. If you do, I highly recommend going...
  14. J

    Compression Test for Chuff

    You can very easily make a sort of leakdown tester out of the compression gauge - just unscrew the gauge from the hose and put a air hose fitting on then just hook it up - instant cylinder pressure. It'll most likely turn the engine some, so be careful. Going to need to crank it over to where...
  15. J

    So im getting tired of fighting with what may be air

    Also remember to check where the rubber line meets the steel return main coming off the real of the engine - I had a leak here once that took forever to find.
  16. J

    oil pan replacement

    Doing the pan in the truck is possible, but a pain. I'm pretty sure you have to lift the engine but can't remember how far. Probably several inches, but not enough to have to disconnect anything with a NA truck - might have problems with a turbo. Then have to fight with the bolts, drop the pan...
  17. J

    6.9 Turbo, C6 & DNE/USG Overdrive

    All good points - I know nothing about it other than the overdrive caught my eye. Didn't really look that close. On the other hand, *if* the overdrive and turbo are in decent shape it's not that overpriced even if the motor is only a core.
  18. J

    6.9 vs 7.3 rocker arms

    Not so much a 6.9 vs 7.3, but old vs new. The old style use a aluminum pivot with a 'bridge' connecting the 2 sides. The later version uses steel pivots and has a flat plate at the bottom. The problem with the old style is that the aluminum wears, causing insufficient valve lift. You can also...
  19. J

    Turbo Question

    IIRC it's a variety of T3 Garret turbo or at least similar to it. I'd bet a turbo shop could source parts.
  20. J

    6.9 Turbo, C6 & DNE/USG Overdrive

    https://monterey.craigslist.org/ptd/4808647976.html $1000. He says it's a "fresh motor"..... hard to tell from the one picture, it does freshly painted. Also doesn't look right for a truck motor somehow. C6 with an overdrive though.
  21. J

    Turbo Option Opinions

    Decking is removing material from the top of the pistons - this lowers the CR and also gives a bit more valve clearance for cam changes. The 0.15" decking lowers the CR from 21.5 to about 20:1. The ceramic coating helps heating - it acts as an insulation layer on the top of the piston to help...
  22. J

    Turbo Option Opinions

    The HX35 is a pretty sweet setup. I'm running the 8 blade compressor style with the stock Cummins WG - right around 20 psi. Spools fast and seems to perform well. I've got a build thread on here somewhere and another one on the HX35 titled something like 'HX35 info'. It's got some serious turbo...
  23. J

    Turbo Option Opinions

    Everything I've ever seen has it being an MHI turbo. The one I have has an MHI tag on it, and the numbering fits the MHI series of models. Now, it's certainly not impossible for Garrett to have built it somehow, but I'd be surprised. Given the relative age of the idi stuff, likely much larger...
  24. J

    Electric radiator fans on a idi?

    A front aux fan should help, though you want one without a shroud, or at least without one that covers the front of the radiator. A plain circular fan woln't block much, and will help some with flow. Probably not that much, but at least will help with AC condenser heating at idle. I find the...
  25. J

    Electric radiator fans on a idi?

    Unless I'm much mistaken, they aren't. Cars have been using them for years, but there's several reasons for that, among others the fact that a conventional mechanical fan is impractical for a FWD transverse engine, which is what 90+% of cars are. Yes, there are efficiency and power reasons, but...

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