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  1. RaysnCayne

    Where does this wire go?

    Hey guys, Sorry for this one, but I couldn't readily find the answer after some searching in the forums. Does this wire (the big red one I'm holding in the first pic) go back to this junction block on the firewall? Backstory: I bought an '86 C10 with an unknown SBC in it. The engine harness...
  2. RaysnCayne

    This isn't factory, right? (Suburban bumper w/trailer socket hole)

    Hey guys, Went to pick up this Suburban rear bumper ("Poor man's C10 sport bumper";)) this evening and thanks to the lazy lister (1 photo, 3-word description), I didn't know until I got there it had holes in it for a trailer harness hook-up. :confused: The holes are very clean and well-placed...
  3. RaysnCayne

    Looking for longer lasting brakes (budget upgrade options?)

    Hey guys, I have the standard factory brake system on R10. It works just fine for me around town and such. But last summer, after I spent just 7-8 mins coming down the backside of a very small mountain (middle of VA), they got hot and less effective. Still stopped fine, but they were very easy...
  4. RaysnCayne

    Vortec bottom end/TBI top end: timing?

    Hey guys, I'm looking to put the top end parts of a 5.7 TBI (heads, intake, TBI, TBI ignition) on a late-90s Vortec 5.7 bottom end (short block). My question at the moment is: will I be able to set timing with the TBI HEI (run by the factory TBI ECU) using the molded-in timing mark on the...
  5. RaysnCayne

    Wanted: Forestry Green 81-87 tailgate (Mid Atlantic region)

    Looking for an original green tail gate to round out the major missing body parts on my latest basket case. Just a reasonably clean, functional, driver-quality gate. Nothing pristine or NOS. It's not a big-budget build by any stretch. So I can't afford to have it shipped from TX or anything...
  6. RaysnCayne

    Can anyone tell me about this step bumper? (Aftermarket?)

    Hey all, Can anyone give me any info on this step bumper? I'm assuming it's an aftermarket one. If it is aftermarket, I'm puzzled as to why such a product existed if most Squares came standard with decent step bumpers to begin with? This one might be a hair more stylish, but it definitely...
  7. RaysnCayne

    2025 Old Dominion Truck Rally Central VA

    Hey all, Anyone in the Mid-Atlantic region looking for one, last hurrah should hop in the square and head to the %7D']Old Dominion Truck Rally (fb link, also found on IG) The first one was held last year and we had an amazing turnout of nearly 250 C10s. We're expecting even more this year in...
  8. RaysnCayne

    EGR tests good, but code 32!

    Hey guys, My R10's OG TBI 305 has been running rougher and rougher over the last couple months. I checked a few things (plugs, wires, coil, etc.) and found my EGR wouldn't hold vacuum. So I replaced it with a new one (tested before installing and works great). It seems to be less rough now. But...
  9. RaysnCayne

    Baffling Blower Motor Issue

    Hey all, My R10 just failed the annual safety inspection b/c the blower motor wasn't working (need functional defrost to pass inspection). I installed a new blower motor not quite a year ago. And everything worked fine the last time I used the A/C, which was about 3-4 weeks ago. 1. I hooked 12v...
  10. RaysnCayne

    A/C stops blowing when I come to a stop??

    Hi all, I had this problem last summer, and after some solid input, a new blower motor seemed to have fixed it back then. https://www.gmsquarebody.com/threads/a-c-only-works-when-driving.43446/ But I'm running into the exact same problem all over again this summer: the cold air (any air)...
  11. RaysnCayne

    A/C stops working when I come to a stop??

    Hi all, I had this problem last summer, and after some solid input, a new blower motor seemed to have fixed it back then. https://www.gmsquarebody.com/threads/a-c-only-works-when-driving.43446/ But I'm running into the exact same problem all over again this summer: the cold air (any air)...
  12. RaysnCayne

    1987 R10: TH400 to 200-4R swap (mostly wiring??)

    While the OG 305 TBI/TH400/3.08 10 bolt in my 87 R10 does okay buzzing down the highway between 71-74mph at 2800rpm, I'm just not enjoying that kind of a buzz for hours on end when I drive long distances. So I'd like to put in an OD trans. I have a decent, used 200-4R I'd like to put behind the...
  13. RaysnCayne

    Fuel spitting out spark plug hole?!?

    Hey y'all, I was doing a compression check on my 87 305 TBI engine this evening and was getting fuel spitting out of the #8 spark plug hole while spinning the engine over to check pressures on the other cylinders. Any idea why that'd be happening?? All the other cylinders were bone dry while I...
  14. RaysnCayne

    Should my TBI's fuel pressure act like this?

    Hi all. I've got a mostly-original TBI system atop the mostly-original 305 in my '87 SWB. It seems to be working fairly decent other than I feel it should be starting a bit quicker than it does (takes about 3ish seconds of cranking to light off when cold 2ish when warm) and should definitely be...
  15. RaysnCayne

    A/C only works when driving!?

    Hey all, Just got my '87 305 TBI with factory A/C (pretty sure it's had 134a put it in at some point) on the road last fall after a long rebuild. The A/C worked good when I bought the truck in late 2020. I kept the system fully intact during the next few years as I fixed up the truck. I've...
  16. RaysnCayne

    TH400 speedo driven gear issues

    Hey y'all, I'm dealing with a TH400 for the first time in my personal gearhead journey and am having issues trying to adjust the speedometer driven gear to get the right value on the speedo gauge. I swapped out the original 40-tooth gear for a 36 and thought it odd that the new driven gear...
  17. RaysnCayne

    Another "Chevy Lean" conundrum

    Hey all, When I first bought my very tired 87 SWB, it had a 1" lean to the left (lower on the passenger side) with the stock suspension/stock height all the way around. I wasn't too worried about that because I was sure it'd sit right after I put all new 1" lower springs, 2.5" lower spindles...
  18. RaysnCayne

    Pinion angle for lowered SWB Square?

    Hey guys, I feel like I see a lot of talk and info about pinion angles for lifted rigs, but precious little for lowered ones. My SWB '87 R10 (currently undergoing a mild "hot rodding" makeover with a freshly-installed 3.5"/4.5" drop) is up on stands with full weight on it. I'd like to see if...
  19. RaysnCayne

    TH400 (2WD): New tail shaft bushings are too tight. Why??

    What am I doing wrong guys?!? I'm simply trying to replace what I believe to be a worn-out bushing in the tail shaft of my 87 TH400 (305/10 bolt rear) and after two tries, I still can't get the yoke to go in after pressing the new bushing in. In my first attempt I used the expensive...

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