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  1. SlickGTP

    Speedo gear?

    It'll be a lot easier just to see what you have and start from there...
  2. SlickGTP

    Recalibrating speedometer by changing the drive gear on a Th-400

    Yeah, for my tire height/gearing ratio combo I needed a 2:1 ratio between driven/drive gears... With a 15 tooth drive gear, I found they didn't make a 30 tooth driven gear, so I had to change the drive gear. Lucked had it that I had a 42 tooth driven gear and I found a 21 tooth drive gear on...
  3. SlickGTP

    Recalibrating speedometer by changing the drive gear on a Th-400

    The one I pulled off is a heavy duty sucker... Would probably last longer than I will, but then again it was probably put on by the factory in '73 when they knew how to build things to last. Nothing like the one I bought off of ebay only to have it fall apart in under 5 miles.
  4. SlickGTP

    Recalibrating speedometer by changing the drive gear on a Th-400

    I did this with my TH-400, but most automatic transmissions will be similar. I also went the long way around and replaced the drive gear. Some will be able to just replace the driven gear which is much simpler as it is one bolt for the retainer on the Speedometer Pinion. 1) Jack up the back...
  5. SlickGTP

    Fixing the speedo via a plastic gear?

    I posted some links on your intro thread... :handshake: If I can get the pics up, I'll do a write up on how I changed mine. It was a TH400, but should be a similar process regardless.
  6. SlickGTP

    Speedo gear?

    I would pull the speedo gear and count both the drive and driven gears so that you know what you have to start with. Then TCI has a nifty little calculator. http://www.tciauto.com/tc/speedometer-gear-calculator/ With that you can see if you need one gear, the other, or both... You can...
  7. SlickGTP

    What have you done to your square lately??

    Replaced all the seals, gaskets, and bushings for the tail housing on my transmission when I installed my new speedometer drive gear and then replaced all the u-joints in the driveshaft. Just have to clean off a few things and then reinstall the driveshaft so I can get the truck back out on the...
  8. SlickGTP

    Slick's For Sale Thread

    Gotcha... I have one that I need to fix for that exact reason. Would like to put the originals back in the truck, but I have to weld the pivot back to the glass frame.
  9. SlickGTP

    Slick's For Sale Thread

    Hydrobooster Pictures:
  10. SlickGTP

    Slick's For Sale Thread

    :rofl: I'm sorry... I'd ship it but that would probably kill the price point and I'd have no clue how to start packing it up. :whymewhyme:
  11. SlickGTP

    Slick's For Sale Thread

    I might have one complete assembly, but I'd have to look... Which side you looking for? Just know that I have a few loose pieces of glass laying around that I can't ever see myself using.
  12. SlickGTP

    What have you done to your square lately??

    Anytime!
  13. SlickGTP

    What have you done to your square lately??

    Nice... Scope creep? :jester:
  14. SlickGTP

    What have you done to your square lately??

    @MrMarty: Don't be too hard on yourself, it's because there are people like us that there's hope for the world in my humble opinion... If we were all greedy sob's then things would be going downhill faster than shit on an oiled slide... I figure we at least help slow it down a bit. :happy175...
  15. SlickGTP

    What have you done to your square lately??

    I hear ya! Love driving mine around even though it looks like it's about to fall apart and I can hear the wind through missing seals. She's solid though...
  16. SlickGTP

    Slick's For Sale Thread

    Alrighty, trying to clean up the garage and make a few $$ so I can buy more stuff for the truck. Mid/late 80's Long Wide Bed: It's in good condition, couple of dents, but straight with no rust throughs. $250 ...might be willing to sell individual panels off of it depending on how long it takes...
  17. SlickGTP

    Brake Light Problems

    One thing to keep in mind is that the tail light harness grounds to the bed, but the bed also has to be grounded to the frame. I had all sorts of crazy light problems when the bed wasn't bolted to the frame solidly.
  18. SlickGTP

    TH400 Kickdown switch information...

    Nice! Glad it worked for ya... :D The crunchy sound was the switch contacts getting moved across a serrated area that locks in the adjustment when you reset it like that.
  19. SlickGTP

    TH400 Vs 700R4 Vs 4L80e Vs gear vendor

    lol... benefits of full control without having to wear out your left leg pushing a clutch pedal. :waytogo:
  20. SlickGTP

    TH400 Vs 700R4 Vs 4L80e Vs gear vendor

    Hell, I'd go with the 4l80e with a manual valve body just to skip the electronics bit. If money wasn't an issue though, all bets are off...
  21. SlickGTP

    TH400 Kickdown switch information...

    I understand completely... I actually had to take mine apart because the old anti-corrosion stuff had hardened up and wouldn't let the switch do it's thing. Almost didn't get it back together.
  22. SlickGTP

    454 carb rebuild kit

    Casting numbers should be on the drivers side main body of a Quadrajet. Usually parts store will sell them by year/make/model of the vehicle if you have the original carb for the truck.
  23. SlickGTP

    TH400 Kickdown switch information...

    Alrighty, here are a couple from the opposite side of the pedal bracket... To adjust the switch you just push the post towards the pedal rod until it hits the metal cover on the switch and then it adjusts itself when you floor the pedal the first time. Ideally the switch will only activate...
  24. SlickGTP

    Where can I find a fuel tank wiring harness??

    Best place I can think of is a junk yard, but it's just one wire. I ran a new one for mine and spliced it to the old wire near the switch.
  25. SlickGTP

    TH400 Kickdown switch information...

    Sure... I'll see if I have one when I get home. If not I'll yank out the camera and take a few.

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