Recent content by Supertex

  1. Supertex

    VSS Related...

    Hard to find go fast goodies for tuned port these days. Back when I got sick of it and let it sit, I had a complete original new, unused Accel TPI base, the cast Accel LTRs, 58mm TB, and a set of first-gen Twisted Wedge heads. Sold it all for $1500 bucks or so. Makes me sick when I see what...
  2. Supertex

    VSS Related...

    This is an L98 tuned port. Injector pulse is batched odd-even...something that surprised me. Way back when, I thought TPI would be sequential...but that's OBD2...and reminds me of how this mess started. See...lol...grab a seat and I'll explain from the start.../TLDR incoming. I wanted to...
  3. Supertex

    VSS Related...

    I've been pretty heavily into thirdgen.org forums, as you might imagine, having TPI on this truck. I got the 4 PPR figure from their forum user 'RBob', who developed the flash-programmable version of the 7730 ECM (No more chip burning!). I don't know, myself. If the 700 had a 40 PPR sensor...
  4. Supertex

    VSS Related...

    Yeah, there is just so much wiring there, I missed it. It's a pretty decent-sized wad of wire, and it was really hard to find the splice. I didn't expect it to be in the original VSS wiring either, but rather in the 700's that they replaced with the 4L80. Now it kind of begs the question: How...
  5. Supertex

    VSS Related...

    C1500
  6. Supertex

    VSS Related...

    Indeed. You're right. After mulling it over...there would just be no way to NOT have some connection. Crawled under it this eve to figure it out. Thing is, when the harness folks rewired for the 7730 ECM, they left the part of the original harness that ran the 4L60E, in case I wanted to...
  7. Supertex

    VSS Related...

    See, that much I know. Thing is...there is NO INPUT from the tranny. So is it making some calculation or estimation of speed? I have the drac. It's behind the glove box. But the ONLY speed signal leaving the trans is direct to the aftermarket trans controller. There is no output from that...
  8. Supertex

    VSS Related...

    So... Where does my 93 1500 gauge cluster get its vehicle speed signal? May sound like a stupid question, but considering this was a TBI/4L60E, later swapped to an L98/700R4, and currently an L98/4L80E, and only thing receiving the VSS or TOSS, is the standalone transmission controller... I...
  9. Supertex

    93 Complete A/C system replacement - Questions for gurus

    ...you mean my lunacy. =P
  10. Supertex

    Low Voltage Issue

    So ...this is kind of an old thread, but your specifics appealed to me. I recently 'resurrected' my 93, and part of that process was adding the dual 16(?) inch fan/shroud combo from a 2005ish half ton. I've seen them hit 50A+ on startup, and then settle down to 22A-25A...each. My issue is a...
  11. Supertex

    How to adjust the steering box

    I bought a brand new quick ratio box from summit some years ago, and then had the manufacturer put a bigger torsion pin in it to stiffen it up. It was loose from day one, and I could put 2 full turns on it and not make a difference. Called em and asked about it, and they told me I screwed up...
  12. Supertex

    93 Complete A/C system replacement - Questions for gurus

    I tried. You can drill out 4 plastic weld points and it comes apart in halves, and then either reweld with amazon plastic weld rods, or just bolt it. Problem for me was that I couldn't find a good door. I'd have tried the floormat, but it didnt occur to me. I was considering using a...
  13. Supertex

    93 Complete A/C system replacement - Questions for gurus

    Yepper...LOTS of things need attention on this lil gem. =P It's basically sat for about the last 13-15 years. I'd drive it when I needed to haul a ladder...sometimes twice a week, sometimes once every 3 months. I should not have done that. That brake thing is complicated...like every damn...
  14. Supertex

    93 Complete A/C system replacement - Questions for gurus

    This is R12. Same potential apply?
  15. Supertex

    93 Complete A/C system replacement - Questions for gurus

    No one has ever accused me of brief =P. Since my last, I've added the dual 16" (?) fan and shroud off a 95. Wow. Kinda hard to shell out $350 for a shroud/fan combo and then immediately start cutting on it, but it turned out pretty nice. Of course I had to get Dakota Digital's 70 amp relays...
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