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  1. Designo614

    SM465: Difference between 2wd and 4wd

    I have a 1988 C30 with SM465, 2wd. Something's broken inside and I have a chance to pickup another SM465, but it came out of a 1987 4WD K series. Research indicates that while the later versions each had a 35 spline output shaft, the 4WD version is longer. Can someone confirm whether or not I...
  2. Designo614

    Painting plastic parts

    I have never had any success painting plastic parts. I have followed the guidance found everywhere: scuff sand, clean with grease remover, prep with adhesion promoter, etc. and there are always portions that just don’t take the paint just right. I guess it doesn’t help that I was trying to paint...
  3. Designo614

    SM465 / Clutch

    So, my new to me 1988 1 ton with a Holmes wrecker body on her, and shifting issues continue. Here's what it's doing, and here's what I've done so far: At rest, you can put it in any gear, however once moving, when it's time to upshift the stick doesn't move, like it's locked in place. Not...
  4. Designo614

    So, what's this emblem signify?

    I have these on my C30 tow truck. Looks like a teepee or tent?
  5. Designo614

    '88 Tow Truck Clutch issues

    OK, Just got the truck, 454 SM465 tranny. Will not shift, shifter seems locked in place. I've done 2 things: 1, drained and replaced tranny gear oil with Sta-Lube 85W90 GL-4 gear oil; 2, replaced and bled clutch master cylinder and slave cylinder. Suspected MC / SC thinking it's defective and...
  6. Designo614

    SM465 Gear Oil

    So, back to the '88 tow truck. I described in my earlier post that the ol' girl wouldn't shift (SM465) during my test drive. At rest, you can put it in any gear, however once moving, when it's time to upshift the stick doesn't move, like it's locked in place. Not grinding, just won't move. Once...

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