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  1. fast 99

    Engine stumbling/stalling in drive

    Be sure and check that both advances work.
  2. fast 99

    Engine stumbling/stalling in drive

    Seems a bit more of a spread than is usual. Try adjusting the idle mix. Turn screws either in or out until highest RPM achieved then in 1/4 turn.
  3. fast 99

    Engine stumbling/stalling in drive

    Of course, vacuum leaks can be sudden as well as restricted carb circuits. Need to check both. Although I doubt it's the problem check fuel pressure and volume just to eliminate it. Idle vacuum steady?
  4. fast 99

    Starter drag when engine is warm

    Shouldn't have to modify the vehicle. If everything checks out, good battery with high enough amperage, clean and tight battery cables [no bolt on ends], all grounds intact and clean, correct timing, suspect a starter. Checking the starter off the vehicle it's not accurate. If that's how it...
  5. fast 99

    TH350 Removal

    6 bolts, 2 or more can be accessed from top with distributor out and other items removed like cruise if equipped. Distributor will usually hit the firewall anyway when the engine sags.
  6. fast 99

    never jerk a stuck truck with a chain

    After being in towing I have seen lots of broken chains and cables. Be extremely careful when under a load. Need to use properly sized equipment with good attachment points and stay in a safe area. If a person doesn't understand that you have no business pulling anything. 3/8 cable normally...
  7. fast 99

    Ultra Grey jip

    Look at the amount of filling in Oreos, most bacon packages are now 12oz not 16.
  8. fast 99

    Engine lag

    Might try disabling spark then cranking over. A cylinder not filling or low compression, starter will increase speed and be uneven on a bad cylinder. I used it many times diagnosing a misfire. Suggested what direction to proceed with diagnosis. If available hook up a vacuum gauge.
  9. fast 99

    Tire size confusion.

    We had several C and K 30's-year range was 74-85. We did run 235's on a couple trucks but with either low air pressure or high weight sidewalls would rub. This is a totally bad thing in DOT's mind. We never got red flagged [parked], but that was a distinct possibility. State Patrol was a little...
  10. fast 99

    1987 Chevy 700R4 Pan Removal

    motor/tranny mounts bad?
  11. fast 99

    Help With Parking Break Dash Light Staying On

    Have seen the emergency brake assemblies so worn they will not return properly. Un plug wire on top light should go out. Can also do the same on the proportioning valve, unplug wire. Any emergency brake cable that sticks or drags emergency assembly may not return fully either.
  12. fast 99

    Starter Wiring

    Once the terminals are corroded or burned only permanent fix is removal for buffing, sanding or replacement. Have to be clean or it creates heat which is what likely how the problem started.
  13. fast 99

    Rear body ground problems

    There is a ground behind the rear reflectors. Fuel gauge is grounded at the sender. That wire is sometimes attached to frame top rail near the tank. Also grounds at the core support, engine to battery and body. Another ground near emergency brake assembly. I added additional grounds, more never...
  14. fast 99

    Can I use this hole for filling oil?

    Wouldn't cut the baffle out unless necessary. PVC will suck oil or possibly spray out on breather side. Once it's out it's gone.
  15. fast 99

    Bare Hands

    Been wearing Raven or Challenger gloves for decades. Required when I painted cars if you want to stay alive that is. Doing mechanical my hands cracked from washing too many times a day. It's also much easier and quicker to remove the gloves for road tests, interior work or using a keyboard than...
  16. fast 99

    Help with GVWR Label ?

    Many SB trucks were made in Canada, thus the KG spec.
  17. fast 99

    New build 454 and the wife hates the exhaust smell

    With cat overly rich mixture will smell like rotten eggs. Depending on how rich it is possible the media could melt down, plug up and/or have a very short life. Lean mix will usually burn the eyes. Today with inexpensive 02 gauges available install one for diagnostic purposes. Should get an...
  18. fast 99

    Drop In Voltage from Windows and AC on

    Above post matt69 first Although I agree using a relay may at least temporarily solve the issue it is really crutching an underlying problem. Even when new at idle AC on voltage dropped. Windows should work on battery voltage alone. Without engine running.
  19. fast 99

    Headlights flickering...

    Not necessarily, changing original design could open up the manufacturer to unwanted liability such as an electrical fire. If higher amp draw is suspected run through a relay.
  20. fast 99

    Quadrajet Help

    Easily done, there used to be a repair kit. Unsure if still available.
  21. fast 99

    Quadrajet Help

    Not if made offshore. There was a post here earlier describing many problems.
  22. fast 99

    Thoughts on carb spacers?

    2V carb? First move would be a 4V. Engine masters TV show tested several spacers. Most showed some improvement. Should be able to find video on youtube.
  23. fast 99

    Quadrajet Help

    What's wrong with the carb? 85 -87 with that number. Unless water sat inside or one of the housings is damaged should be rebuildable.
  24. fast 99

    87 V10 Custom Deluxe TBI Issues

    Should be a visible pulse of fuel when cranking. 12v present at injectors? check for ground pulse on other side. Follow the diagnostic chart to the letter. Will take you to the offending issue. Broken exhaust, missing air pump no effect on starting. However, it will affect drivability after...
  25. fast 99

    Door Gap

    un-square the door, doubtful. No 2 doors that I have seen are exactly the same on these trucks even OEM.

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