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  1. DrCharles

    So what did you do with your truck today?

    My truck driveshaft was ready, so we went to town for that, a few items at the grocery, and ate way too much at the new Pizza Inn location. Then I put the new shaft on and went for a long ride. No vibrations this time at any speed and up to 11 psi boost, and it didn't fall off either Hopefully...
  2. DrCharles

    So what did you do with your truck today?

    Hmm... sounds like your rear gears were low enough (numerically higher) that your shaft reached the critical speed? No amount of balancing will prevent it from going nuts then. If that was the problem, a larger diameter tube (or thicker, or both) is the answer.
  3. DrCharles

    So what did you do with your truck today?

    Compared to a steel tube: Lighter, stiffer, stronger? :dunno
  4. DrCharles

    So what did you do with your truck today?

    I had already bought two new U-joints @ $33 each and a front yoke for $105, about what the shop charges, so this would have been closer to a $500 job for the complete shaft :(
  5. DrCharles

    So what did you do with your truck today?

    The driveshaft felt OK last night for a mile on our (bad) dirt roads. Today I took it out on the highway and as soon as I got to 25 mph I felt a vibration I didn't like (and didn't want a repeat of U-joints and yokes forcibly divorcing). I took the shaft back off and ran it over to Driveline...
  6. DrCharles

    Leaving block heater cord plugged in

    I leave mine plugged in, but it was hard to find a long enough extension cord so I could drive to town :sly
  7. DrCharles

    So what did you do with your truck today?

    The brown truck brought the new slip yoke, but the new Spicer 1350 U-joint is, well, somewhere (typical USPS tracking) so I went back to O'Reilly and bought another "Precision" 232 joint. After the usual struggle keeping all the needle bearings in place while pressing in the caps, I finally got...
  8. DrCharles

    Grease gun recommendations?

    I ended up buying the Lincoln 1142 (in stock at O'Reilly for only a couple bucks more than Amazon) and swapping the flex hose from my old gun. So far I got the air out easy enough (fountain stream of grease when I leaned on the follower handle, and it squirted when I worked the lever) but didn't...
  9. DrCharles

    Grease gun recommendations?

    I have two tractors and a bush hog also, but rarely use them... the M18 looks nice, but the price doesn't ;) I agree it'd be overkill all right. I'm leaning towards a Lincoln 1147 after reading a lot of threads and reviews.
  10. DrCharles

    Grease gun recommendations?

    My 4WD truck has a lot of grease fittings. I have two older crappy grease guns that leak everywhere, don't prime, etc. and I've had enough. Buying another cheapo is a gamble as the reviews for every model are split, and there's a good chance it won't even work once! So, what model do you...
  11. DrCharles

    So what did you do with your truck today?

    Today was a fun day (well, not really)... I got a Banks boost gauge, and relocated it and the pyro to a 2-gauge pod which I screwed to the dash. So far so good. I need to find a piece of black ABS sheet to glue over the hole where the previous smaller unlit gauge was. Started out to town, and 4...
  12. DrCharles

    Wet Black spray on ground at cold start hard throttle.

    oops, wrong thread :D
  13. DrCharles

    Wet Black spray on ground at cold start hard throttle.

    Water, soot, packrats... who knows. My GF just loved the result when I fired up the IDI next to her car :sly
  14. DrCharles

    So what did you do with your truck today?

    Oh, also while I had the hood up looking for a significant oil leak up front, I noticed the tell-tale on the air filter said it was clogged, and the tube to the windshield washers and the 1/8" nylon tubing to the boost gauge had been chewed through in two places. I removed the air filter and...
  15. DrCharles

    So what did you do with your truck today?

    I replaced the worn outer tie rod ends... surprisingly easy to do, since they are forward of the axle. Didn't even have to jack up the truck ;Sweet I tried to get the lengths identical but the steering wheel is 2" off center to the right. It is less sloppy though :) Time to driveway-check the...
  16. DrCharles

    f350 cab and chassis Ujoints

    So I'm late to the party, but... My '93 has a ZF5, BW1356 transfer case, and 10.25" rear, but there is a one-piece driveshaft (2 U-joints, no carrier bearing). Is this a modification - should it have the 3 joints? If so, is there a good reason to install one? thanks.
  17. DrCharles

    DB2 Pump doesn't respond to full throttle

    In medical training it does :sly It means to ask questions of the student or resident, in front of others, allegedly to educate them but more realistically, to make the attending physician feel superior! For your enjoyment, here is a typical article on the subject...
  18. DrCharles

    So what did you do with your truck today?

    Yesterday I was about to take a 40 mile drive to the nearest Lowe's... 7 miles from home at 60 mph, the rear driveshaft decided to take its U-joints and go home! One cap was still securely bolted to the diff yoke, but the other was dangling from one bolt.So I coasted to a safe stopping place...
  19. DrCharles

    7.3 idi swap for 7.3 turbostroke

    But a set of PSD injectors costs 10X what a set of IDI injectors costs... and that assumes there aren't any failures of $$ electronic modules...
  20. DrCharles

    Batteries

    31's fit in my truck for height, but I had to cut the inside lips of the battery trays to accommodate the extra length.
  21. DrCharles

    Batteries 100% drained dead - new problem

    Not quite. It's "backwards" from what you might expect... The rotating armature on an alternator is actually the field winding, and the current to the armature is what determines the available output current. So it's connected through the two brushes and slip rings to ground and to the voltage...
  22. DrCharles

    Lubricants in ZF5, BW1356, & Rearends

    Keep in mind that gear oil viscosities are not on the same "scale" as engine oil! See, for instance: https://bobistheoilguy.com/viscosity-charts/
  23. DrCharles

    Ac compressor swap issues

    You might even be slightly undercharged (but that's better than overcharged). A rule of thumb I've used many times is: high side pressure (in psi) 2.2 to 2.5 times the ambient air temp in F, measured in front of the grill. So on a 75F day that would be 165 to 187 psi. Franklin makes some good...
  24. DrCharles

    Glow plug stuck

    Wondering if loosening the plug until the threads are disengaged from the head, laying a heavy board over the engine, and cranking (or starting) it would blow the plug straight out? cookoo (The board is to prevent a high-speed bullet leaving the engine compartment)... of course that would only...
  25. DrCharles

    I want to pick some brains

    But how much did you make per week? :sly

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