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  1. K

    sleeving a 7.3 to 6.9. worth it?

    Is it really worth the extra clamping power of the bigger head studs? I'd imagine I would knock the coolant passages out and whatnot to get the extra cooling capacity also. The moose boost video is making me wonder how far you can actually push an IDI when properly built. R&D cam and intake...
  2. K

    yup.mines real slow.

    An engine is one giant air pump. The more air you can effectively move through it, more efficient it becomes! Bigger exhaust can't hurt unless you are running n/a. Then you have to properly size it. Are you sure your truck has the timing set?
  3. K

    Is this one piece or can you replace just the joint?

    Whole drag link.
  4. K

    load E 37s for the idi build

    Check out toyo or nitto. Same company but I like the trail grappler for looks and the toyo m/t for durability. Apparently at 50% tread they wear like iron. Not biased towards brands, but I got 37" on my rig so I feel your pain on selection
  5. K

    load E 37s for the idi build

    do you need double beadlocks? The 16.5 category is very small in comparison to the whole numbers. The h1 tires (MTR, Baja T/A and bias) plain out suck. They were designed for 12,000 lb hmmwv's. A 17" wheel would be a better choice.
  6. K

    idi undergeared?

    3.73 would be awesome with 35" tires! I have to agree with everyone, though. A turbocharger would be more effective than just gearing the truck. By the time you go through both axles (gears, install kit, traction device and oil) you'd be right around where a new turbo would cost.
  7. K

    Holset H2E on a 6.9????

    Nice spot. I love the Sierra Nevada mountains. So pretty and the crisp air. Not to mention Tahoe! Many a drunken Hot August Nights event there... There is a writeup about using the water/meth as a supplement like you were thinking about with propane. Turn the fuel up until you are happy...
  8. K

    Holset H2E on a 6.9????

    Which side? I used to live in Reno, NV and I miss it! I mean, propane is a more efficient burn because it promotes homogenous combustion, but now you're telling us you have even more of an air restriction! Just dont want to see a post here you melted a piston! That would be bad. Hmm can you...
  9. K

    Holset H2E on a 6.9????

    You are injecting an extra fuel that has a decent octane content, but when you take an n/a pig like the idi diesels, the pumps can fuel way more than they were intended to. Turn the pump up one flat and watch your EGT's. It doesn't make sense to supplement a lack of fuel with another fuel if you...
  10. K

    Holset H2E on a 6.9????

    To answer your question about tje H2E... you know this came off a 9 litre engine, right? Hot tuned 7.3 psd's have a hard time spinning them up! They are the usual recipe in 600 hp builds and a LOT of timing on the fly. Something mechanical engines can't do. Second, why are are you adding more...
  11. K

    2wd swap alternitvie option....

    Oh! Very nice! The d50 shafts use d60 u joints (1480 series?) But d50 carrier needs a lil persuasion of the housing .
  12. K

    Suspension Upgrade??

    Super duty b-codes with bilsteins all around. Makes the truck ride gooood
  13. K

    2wd swap alternitvie option....

    Are you talking about a jana 54? Or was it a jana 45? Either way look up Jantz Engineering for d50 stuff in the d44 housings. I do believe the bronco guys that keep their ttb for hard use use d50 parts. Look at gofastbroncos' forum or broncospeed in general for ideas.
  14. K

    2wd swap alternitvie option....

    D44 ttb or a solid axle? The d44 HD is weird and has a SUPER small short side. Don't even know how it even cycled the suspension
  15. K

    2wd swap alternitvie option....

    With the ttb swap (it will work), you gain bigger bearings but probably need some custom springs to get camber just right. I love these fords. Giant legos that can burn motor oil
  16. K

    2wd swap alternitvie option....

    Throw a detroit trutrac in the back. My personal experience is 4wd isn't practical unless you add a locker/traction aid in one if the axles. If you put a detroit trutrac or an auto locker in the rear, I'm willing to bet you can use the truck as a dd in the winter. Either way, 2 wheels will be...
  17. K

    NEED MORE BOOST

    It's called "lugging". You aren't spinning the engine fast enough to spin the turbo faster to build more booat to blah blah blah blah. Drop her down a gear and get the rpm's up and try it. You have the expanding gas portion of 1200 egt, now get the rpm up to push MORE exhaust through the turbine...
  18. K

    Better ride out of the rear suspension

    Super duty codes and research your shackle angle. You can get a decent ride out of stiff springs witch the proper shackle angle. You don't necessarily have to flip it either. B code springs are a little longer and sit better on the pivot
  19. K

    So let's talk gears

    Double OD is a huge parasitic loss, though. Turning all the gears through 2 or 3 transmissions is a nice drag on the engine at speed. OTR trucks use about a 3.55 if memory serves right. If 1:1 is the most efficient gear, why not underdrive the whole geartrain and run somewhere in the higher...
  20. K

    So let's talk gears

    Why not 3.73? Good medium on ratios. If I were towing I wouldn't do more than 65 mph. Something about a big load going that fast in a light duty truck kinda scares me. It would be 2500 rpm with 1:1 and 1800 with a .76 od.
  21. K

    So let's talk gears

    http://www.novak-adapt.com/knowledge/gearing.htm Use that one. You can put in whatever you want. You forgot the OD ratio
  22. K

    So let's talk gears

    What gear calculator are you using? 4.10 (staying with them) and 37" tires are about 2100 rpm in overdrive. I decided to keep stock gears and add an OX in front and a Grizzly in the rear.
  23. K

    DRW rear axle width?????

    Drw sterling is 72.5".
  24. K

    DRW rear axle width?????

    The reason why the d60 is wider is because when you triangulate a vehicle it tracks better going straight. Equal axle lengths improve side to side loading when you get off-camber situations. 1.5" wheel spacers will fix your esthetic problem, though. Also a better turning radius!
  25. K

    DRW rear axle width?????

    A srw d60 is 69" wms to wms.

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