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  1. 86Horn_EB_77

    Bad Alternator?

    Unknown - it has big ugly frame extensions to support a big ugly winch and bumper, but the winch was gone when he brought the truck over. I threw the bumper in my scrap pile - now I gotta go look again for tow bar attachment tabs… 😂 I’m trying to follow the logic but you guys think there was a...
  2. 86Horn_EB_77

    Bad Alternator?

    I was told that the "Stroppe PS upgrades" always used a E series van column from that era - and that an unhooded PRNDL was one of the hallmarks of a Stroppe swap. Given that this truck also has a "very interesting " frame mod to make the PS box fit, and other Stroppe clues like the rough-cast...
  3. 86Horn_EB_77

    Bad Alternator?

    So…the melted brown wire was the ignition coil resistor bypass wire - from the start relay, thru the firewall, over to ignition switch area, and back thru the firewall to the 3 pin connector behind the left rocker cover, where it merges with the main coil power from the ignition key. Don’t know...
  4. 86Horn_EB_77

    Bad Alternator?

    Mine was installed with some hokey Home Depot hardware - to the right of brake warning light. I suspect it was moved to make room for the AC. Can you point me to any pics that show where it should be mounted? So I suspect that black/blue wire just plugs into the top of it? I’m going to rip the...
  5. 86Horn_EB_77

    Bad Alternator?

    6th digit is an “N”, cert decal says Jan 1972. Pics attached of the firewall and there’s certainly some trans wiring there but… remember, this a 72 and it has a C4 that is “non factory installed”. I was joking about the Stroppe sticker on the York, but there one on the air cleaner and on the...
  6. 86Horn_EB_77

    Bad Alternator?

    OK now I gotta go see what color the DSll grommets are… I’m sure I bought cheapest on Amazon or Rock Auto when I replaced it. As for the starter cable, you’re looking at the NEW one…here what the old one looked like - I think he got all the use out of it, not sure how it wasn’t arcing- must have...
  7. 86Horn_EB_77

    Bad Alternator?

    RD/BK was connected to the Red wire by the blue crimp connector - before I managed to pull it loose -probably while wrestling with the speedo cluster and trying to find the bullet connector in the black main power wire from the Alt Solid green wire was connected to the Green/Red stripe wire...
  8. 86Horn_EB_77

    Bad Alternator?

    Dirt Donk - you like that Stroppe York AC compressor? LOL!
  9. 86Horn_EB_77

    Bad Alternator?

  10. 86Horn_EB_77

    Bad Alternator?

    I am failing in technology today.., is there some trick to making google drive files available so they can be linked as images? I’ve changed the security to visible for everyone. With a new relay and cleaned connections and a new positive battery cable, I’ve got charging voltage at the battery…...
  11. 86Horn_EB_77

    Bad Alternator?

    Hey DirtDonk - glad to see WH/Tech support is online even on New Years Eve! 🤠 With a good starter relay... it was cranking and starting, until it wasn't... putting on a new relay today. Exterior lights work but dash lights don't There's all kind of old ripped out stereo, winch and CB radio...
  12. 86Horn_EB_77

    Bad Alternator?

    I know this thread is a few months old now, but I'm struggling to get my old original Gen 1 Alternator/Voltage regulator to work on a 72 that I'm working on for a neighbor... New AC Delco alternator and new voltage regulator - and I can't get any voltage above "nominal" (12.4 to 12.6V) at the...
  13. 86Horn_EB_77

    Mevotech Front Coil Springs SMS812V

    Thanks DirtDonk - I'm not sure if these springs were advertised as variable rate or not - I think Summit might describe them that way. Maybe all stock coil springs are "variable rate" - I haven't even opened the box yet. I never saw the winch he had on this thing - but judging from the rest...
  14. 86Horn_EB_77

    Mevotech Front Coil Springs SMS812V

    I always thought stock ride height was 7 1/2 , but you're the Experto. Rear measures 7 3/8 Front measures 5 3/4 with the winch bumper, and maybe 6 without it - and I might be a little too generous with that added 1/4" - the bumper didn't end up being that heavy - maybe 40-50 lbs, so it wasn't...
  15. 86Horn_EB_77

    Mevotech Front Coil Springs SMS812V

    I googled around a bit for Moog CC812 - and they seemed out of stock at Summit and one other place, although one site seemed to have some good specs on them - spring rate & free length and such... I'm just glad these aren't made in China - or at least the box isn't.... :cool:
  16. 86Horn_EB_77

    Mevotech Front Coil Springs SMS812V

    DirtDonk is right - I already have the springs in hand. I was actually shopping on Rock Auto for a bunch of "tune-up" stuff for my "cheap" neighbor's half cab - and was just checking to see what was available (probably a year ago?) The springs were out of stock - so I set up a notification to...
  17. 86Horn_EB_77

    Mevotech Front Coil Springs SMS812V

    Bought these Mevotech Front Coil springs from Rock Auto - but here's a link to them at Summit: https://www.summitracing.com/parts/mev-sms812v Trying to fix saggy springs on a stock height 72 half cab - someone had hung to biggest baddest gigantic winch bumper on it at some point - and a big...
  18. 86Horn_EB_77

    351W Harmonic Balance problems

    Hey Guys - I agree that those pics show a 96-01 Explorer 302 Serp Drive (with an aftermarket AC unit) but... I don't think that's an Explorer balancer or crank pulley - the Explorer has a one-piece integrated damper & pulley unit.. not a bolt-on three bolt damper as shown in his first post...
  19. 86Horn_EB_77

    351W Harmonic Balance problems

    I think you're going to find the quickest route to a balancer that fits is the universal 3 and 4 bolt damper at summit racing. It has both bolt patterns and three sets of timing marks. (And the 28oz imbalance you need for any year 351 or Pre-82 302 with a 2 piece rear main) Looks from your pics...
  20. 86Horn_EB_77

    gm brake conversion

    So... mystery solved, I think. The wonderful Advance Auto Pads have (had) two metal titties on the backing plate - one of them was peened over to hold a wear indicator. the other was not peened over (and taller). A little work with the flap wheel grinder and they were both ground flat -and the...
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