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  1. Keith Seymore

    Frame number

    Numbers on the side of the rail are part numbers, date codes and supplier info. The partial VIN will be on the top of the upper flange of the frame rail under the passenger compartment and will be in the format of Model year Final assembly location Serial portion of VIN Like EF123456 Where E...
  2. Keith Seymore

    Reverse light options

    I'm out, because I used a toggle switch. The thing I liked about the toggle is I could flip the lights on for doing stuff around back in the dark, like hooking up the trailer. K
  3. Keith Seymore

    is this a Frankentruck?

    Works for me: https://www.gm.com/content/dam/company/no_search/heritage-archive-docs/vehicle-information-kits/chevrolet-trucks/1985-Chevrolet-Truck.pdf
  4. Keith Seymore

    is this a Frankentruck?

    GMC is the same. A GMC is a Chevy plus RPO Z88 (Or a Chevy is a GMC plus RPO X88, depending on your perspective). Designed by same guys, went down the same assembly line (sometimes on the same truck). K
  5. Keith Seymore

    is this a Frankentruck?

    You are looking in the right spot for the (partial) VIN on the frame. There will not be a stamp up by the steering gear or motor mounts for the 1985 model year like there was for some earlier years. The one under the cab will be on the top surface of the top horizontal flange of the rail. The...
  6. Keith Seymore

    Rear Splash Panel

    Both. That particular panel would come and go. Those kind of things get added to address a specific issue and then, during periods of austerity, get cut as a cost reduction measure. K
  7. Keith Seymore

    Figuring out which Speedo gear I need for my vehicle. help!

    As far as the speedo not working - you can pull that little housing and slip the gear out. You would be able to buy that same gear, like if it's green you can buy a replacement green gear...
  8. Keith Seymore

    Figuring out which Speedo gear I need for my vehicle. help!

    That is quite a machine. To get the rear axle ratio: a) For open rear diff - mark the tire and drive shaft. Jack up one tire and rotate the tire twice and count how many times the shaft goes around. Ie, if the shaft goes 3.5 times then maybe 3.42 (or 3.40, depending on axle type). If it...
  9. Keith Seymore

    Figuring out which Speedo gear I need for my vehicle. help!

    A few comments: a) Pics? b) I don't think the fact that it is a busette makes any difference. A 700R4 is the same regardless of what chassis it is sitting in. c) Need to know rear axle ratio and tire size to choose the correct gear d) If the speedo works but the reading is off...
  10. Keith Seymore

    Rear End Gearing

    Hopefully you are not in a big hurry. I ordered mine back in November and the parts are just now starting to trickle in. (I'm not in a big hurry). K
  11. Keith Seymore

    Rear End Gearing

    Yep. 3.70 will be a nice overall ratio with an OD trans. K
  12. Keith Seymore

    Master cylinder ID help needed

    For 1983 the base manual system is JB1 and the master cylinder is part number 18006064 broadcast code CU. Built in Oshawa makes no difference. K
  13. Keith Seymore

    What is my new squarebody??? Need help!

    1GCGD34J2GF394406 decodes to 1986 model year, where G = 1986 F = Flint Assembly 394406 = serial portion of VIN I might have put the fenders on that truck (well - my guys, anyway). K
  14. Keith Seymore

    C10 GEARS?

    I usually do 3.73:1 with overdrive trans; 3.42:1 with non overdrive. K
  15. Keith Seymore

    Let’s see your memorabilia?!

    And with all this discussion about "Ram Air": Here is what the original ram air pan for '65 looks like, as made in the Pontiac experimental metal shop - Worth about a .2 sec ET reduction in the quarter mile. K
  16. Keith Seymore

    Let’s see your memorabilia?!

    In the photo at the bottom here - you can just barely see it but there is a one in three chance that is our '63 Catalina in the background -
  17. Keith Seymore

    Let’s see your memorabilia?!

    So here's what it has escalated to now. This was Tenny's display last November:
  18. Keith Seymore

    Let’s see your memorabilia?!

    Funny story about that display: That was my first indoor show ever, so I asked the other guys what they were bringing in terms of display boards and memorabilia. "Aw, nuthin" Tenney said. "I'll probably just bring that sign that Scott has". So I didn't really bring anything extra - just the...
  19. Keith Seymore

    Let’s see your memorabilia?!

    Picked this up over the weekend. This is a replica of the '64 GTO used in the Car and Driver article that kicked off the muscle car era. The real car still exists and is owned by a friend of mine in California. You couldn't ask for a better steward of this piece of history, as he has it...
  20. Keith Seymore

    CA Smog exemption

    Any constraints on this? Mine says can't be a daily driver, no trailering or hauling, etc. K
  21. Keith Seymore

    CA Smog exemption

    Go to Costco. You can probably get a dozen of them all at once. K
  22. Keith Seymore

    Car Hauler tips/tricks/ideas

    You guys are making me feel better about myself. K
  23. Keith Seymore

    Radiator question for an inline 6 250

    I would just plug the ports and use it. That's how my GTO came. K
  24. Keith Seymore

    Engine install

    I would say absolutely. K
  25. Keith Seymore

    Topic for GMC Sierra California Sundancer owners

    Do you have the SPID label? For a Janesville truck it may be in the engine compartment attached to the wheelhouse. Most vehicles it is inside the glovebox. Sample attached below -

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