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  1. dsteelejr

    Bolt hole pattern on the front of the heads

    I have an ‘88 K5 that is 100% stock with 276k miles on the original TBI 350. I’m going to be replacing that 350 with a SBC 400 with an Edelbrock top end kit and Pro Flo 4. The Blazer still has working A/C and I want to keep it working after the swap. I have a set of Edelbrock 5089 heads, which...
  2. dsteelejr

    Fuel gauge troubleshooting

    1973 C20 with factory dual tanks. The truck has been in my family since ‘84 and most everything is factory or stock. The wiring is not modified or hacked up. The fuel gauge worked fine for both tanks until one day the needle started pointing to the 3 o’ clock position for both tanks. I am aware...
  3. dsteelejr

    What is this? Asking for a friend

    My buddy has a ‘78 that’s been Frankensteined by POs. Hes doing a steering column swap and asked me what this is. My guess is a brake light switch, but wires are wrong color. Any ideas?
  4. dsteelejr

    Old six cylinder stuff

    I'm looking for miscellaneous parts for old straight sixes. Anyone know of a source, besides eBay, of old six cylinder stuff? I'm talking like late 40s and early 50s, specifically for the Chevy 235 and 261 engines.
  5. dsteelejr

    Firewall Bulkhead Connector, New $60

    I have new bulkhead connectors for sale. I checked wiring diagrams and it appears to be used in squares from 1975 to 1986. The part numbers are 8917232, 8917253, 8917233, 8917234. I needed a new firewall bulkhead connector and I was unable to locate one anywhere. Wire harness makers include...
  6. dsteelejr

    Bulkhead Connectors

    I’m having trouble finding a complete, new (not used) bulkhead connectors. I’ve read in some other threads here that the wiring harness companies refuse to sell just the bulk head connectors. I have located three of the four pieces to the connector in bulk quantities, but I am unable to locate...
  7. dsteelejr

    Connectors

    I’m in the process of rewiring my ‘80 K25. I’m looking to re pin a lot of the connectors with fresh wire, but I don’t know where to look for part numbers for the blades and pins that crimp to the wires inside the plastic connectors. Any help would be appreciated. Thanks.
  8. dsteelejr

    Fusible Links vs Maxi Fuse

    I'm looking for some opinions from people with wiring experience. I'm redoing most of the wiring on my square. It's an '80 K25 454. I decided to forego buying a pre-made wiring harness and do it wire by wire. I plan to keep the wiring pretty close to stock, with a few minor deviations. On the...
  9. dsteelejr

    G80 vs G86

    Everyone seems to have heard of the G80 locking diff. I recently acquired my parent's '73 C20 camper special. The original owner ordered the truck with just about every top-of-the-line option available at the time. The RPO code sheet is still on the fender. I've known since I was a kid the truck...
  10. dsteelejr

    Anyone swap a 366 or 427 tall deck?

    I'm considering dropping in a tall deck 366 or 427 into my K25 when the time comes to replace the 454. Information about tall decks is relatively scarce compared to standard SBCs and BBCs, but I did find some valuable info on what modifications would be needed and they are only minor. I am also...

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