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  1. fast 99

    Truck backfires and doesn’t start

    What preceded this issue? Ran fine one day. Shut it off and now no restart or something else.
  2. fast 99

    Oil pump options and questions

    Standard pumps work fine. High volume pump as a repair crutches another issue. If 4x4 pan is easy to remove. Roll new main and rod bearings in. Have done that successfully on many customer vehicles. It is a bit of a gamble and messy. Only alternative is yanking the engine for o-haul. A HV pump...
  3. fast 99

    Q-Jet Block Off Plate

    I do like the electric thermostats better if one can be found that unwinds at the correct speed for the application. They are not dependent on a clean intake passage or working heat riser.
  4. fast 99

    Q-Jet Block Off Plate

    That's correct, there is exhaust within a manifold passage, but it never blends with the intake charge unless EGR equipped. Exhaust should never enter those tubes. If present they are broken or rotted out. I have done countless carb conversions and left that plate in the manifold. Like I said...
  5. fast 99

    Q-Jet Block Off Plate

    No, exhaust [for preheat] is on the outside of the tubes never inside. Any tube leak would be an unregulated EGR. However it is possible to have an exhaust leak at the gasket where the tube assembly attaches to the manifold. The 2 tubes that run to the carb can be removed. The vacuum port on...
  6. fast 99

    Q-Jet Block Off Plate

    Unless installing a plate for appearance just leave stock one on and proceed with choke conversion. It is a tube preheated by the exhaust. Will not affect drivability in any way unless rotted out.
  7. fast 99

    Throttle sticking

    If base idle isn't adjusted properly throttle plates can stick. In other words throttle is closed too much causing plates to stick in the bore. Disconnect throttle cable to isolate it from the TBI unit. Check if it still sticks.
  8. fast 99

    Emissions pipes

    Yes, some vehicles had dual bed converters. Not sure if 87's had it. That was an odd emissions time frame with dual air pumps, carbs, some carbs with feedback and TBI. All dependent on GVW and motor option. A vacuum hose manufacturer delight.
  9. fast 99

    New engine installed - need TBI timing/idle help

    Have seen that connector under the carpet or near firewall inside floor passenger side. If under hood it is separate and usually easy to find. Not sure of the year have also seen it behind the glove box.
  10. fast 99

    Rare Hood Ornaments, Wow! $$$$

    That's up there alongside the Boss 429 stratosphere.
  11. fast 99

    Header farts

    I don't use gaskets on cast manifolds but never tried it on headers, interesting. Might try that in the future.
  12. fast 99

    Carb at high alt

    Carter-Edlebrock metering rods can easily be changed. You will need larger rods. How much reduction in fuel? Someone will come along with the calculation.
  13. fast 99

    Header farts

    Above is an absolute, recheck recheck recheck. Suggest applying a small bead of high temp silicone to both sides of the gasket, let it set up for 15-30 minutes, install. Just snug bolts up and come back the next day and tighten. Also, cheap headers usually do not have a thick enough flange...
  14. fast 99

    Brakes

    Agree with the possible diagnosis. Question replacing the valve unless it has some other obvious issue. Read several posts about new PV's leaking or just plain failing. One failure was on a TV series, leaked. Most of the valves are offshore production.
  15. fast 99

    1987 454 TBI down on power, runs good otherwise

    Plugged exhaust? Drive with a vacuum gauge shouldn't go much lower than 4 inches. Alternate method loosen the header pipe slightly. Low fuel pressure?
  16. fast 99

    What’s the solution to this?? Idle adjustor

    Need a scanner or equipment to access the ALDL data.
  17. fast 99

    What’s the solution to this?? Idle adjustor

    Would be better to properly diagnose the problem. Really need to know the IAC counts. If you close the throttle plates to fix a cold start issue it could have a sticky throttle or die when warm. The IAC can only adjust so far then other undesirable things will happen. Some possible suspects are...
  18. fast 99

    2 Tone on 83 C30

    everything will fit except the front fender trim. Could break the color at the fender horizontal crease and carry the color back without trim.
  19. fast 99

    Edelbrock accelerator pump

    Put the old coil back in and does it have the strap ground? I know people are trying to improve their vehicle, but the quality of parts today is sometimes questionable. On top of that a stock HEI coil can usually produce twice the KV necessary for combustion.
  20. fast 99

    Pass power window

    Assume the question is what's wrong? Need to check power at either the switch or motor whatever is easier first. Then proceed uphill or downhill to the problem. Been repeated here numerous times, new parts are suspect until proven otherwise. Lots of junk out there.
  21. fast 99

    No drill,no ream, DIY Quadrajet throttle bushings

    Interesting, Re-bushing like it has always been done isn't hard but at the very least requires a reamer. Can see where that might be a good option for one-time rebuilders.
  22. fast 99

    Computer Control Quadrajet rebuild

    and require special tools
  23. fast 99

    Went to the candy store today...no sweets today, but...

    Wouldn't have enough money left to pay the electric bill.
  24. fast 99

    Flex plate

    Agree, no It can be changed by sliding the tranny back slightly on alignment bolts/dowels. Use a long box end to remove the bolts.
  25. fast 99

    Hey...what's the big idea..??

    There are several people here than can assist with q jets. Do agree, decent carbs for non-HP applications. They get a bad rap from the lack of knowledge folks. Some of that might be related parts availability.

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