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  1. coachdtierney54

    What can cause a backfire?

    Now that I think about it, the popping sounds like it is behind me, so it makes sense that it might be the connection between the pipe an muffler. Sent from my XT1254 using Tapatalk
  2. coachdtierney54

    What can cause a backfire?

    I'll check tomorrow and let you know Sent from my XT1254 using Tapatalk
  3. coachdtierney54

    What can cause a backfire?

    Header into a 4ft straight pipe, then into muffler, then into turndown. That's it... Sent from my XT1254 using Tapatalk
  4. coachdtierney54

    What can cause a backfire?

    Normally I downshift going down the mountain to try and save my front brakes, but it pops more frequently and louder than not downshifting. I'm looking for the pic of my exhaust now. I'll post it soon. Sent from my XT1254 using Tapatalk
  5. coachdtierney54

    What can cause a backfire?

    God I hope not. Sent from my XT1254 using Tapatalk
  6. coachdtierney54

    What can cause a backfire?

    Drove it a lot today, it's getting worse. Sent from my XT1254 using Tapatalk
  7. coachdtierney54

    What can cause a backfire?

    Plugs and wires were changed when I replaced the header gaskets Sent from my XT1254 using Tapatalk
  8. coachdtierney54

    What can cause a backfire?

    I recently replaced the header gaskets and I do not hear the usual hissing from them. Sent from my XT1254 using Tapatalk
  9. coachdtierney54

    What can cause a backfire?

    I live on a mountain. Whenever I coast down the mountain I hear several popping noises coming from the exhaust. Once I slow down to about 35-40 mph, it stops. It's an 85 C30 with a 454. I have tried to retune the carb thinking it may be running too rich, but that did not help. Could it be a...
  10. coachdtierney54

    What oil should I use?

    If I can get it running right, it could be a good truck. Sent from my XT1254 using Tapatalk
  11. coachdtierney54

    What oil should I use?

    Do I dilute the vinegar? Sent from my XT1254 using Tapatalk
  12. coachdtierney54

    What oil should I use?

    Second flush was better, but still nasty... Sent from my XT1254 using Tapatalk
  13. coachdtierney54

    What oil should I use?

    After one flush... Sent from my XT1254 using Tapatalk
  14. coachdtierney54

    What oil should I use?

    Ordered the new radiator t stat today. I am assuming that I still need to flush out as much shit as I can. Is that right? Sent from my XT1254 using Tapatalk
  15. coachdtierney54

    What oil should I use?

    Gotcha. It should be called make a leak. Thermostat gasket is shot Sent from my XT1254 using Tapatalk
  16. coachdtierney54

    What oil should I use?

    Thanks for the info in Chattanooga. The stop leak was a total disaster. I now have more problems than ever! Hopefully I can get this done quickly Sent from my XT1254 using Tapatalk
  17. coachdtierney54

    What oil should I use?

    Okay, my friend came over and we found the radiator almost empty. We then bought some stop leak to provide a temporary fix. I will be looking for a new radiator. I ran the engine for 30+ minutes and did not see any fluid coming out from the cap. Everything was dry. Do on to the next question...
  18. coachdtierney54

    What oil should I use?

    It's leaking at the base of the cap Sent from my XT1254 using Tapatalk
  19. coachdtierney54

    What oil should I use?

    I found the issue... Anyone know a radiator repair shop in Chattanooga, TN? Sent from my XT1254 using Tapatalk
  20. coachdtierney54

    What oil should I use?

    Thermostat was replaced at the same time the coolant was replaced too. I'll post a pic of the engine in the morning. Thanks for all your help! This truck is a "functional rebuild." I have replaced the carb, air filter, alternator, distributor, plugged all vac lines except the one going into the...
  21. coachdtierney54

    What oil should I use?

    Coolant was replaced about 6 months ago. Should be good but I'll check Sent from my XT1254 using Tapatalk
  22. coachdtierney54

    What oil should I use?

    I was putting the needle in the red portion if the gage at idle, it would drop to about 185 driving on the interstate. Is there a way to test the fan clutch and water pump? Sent from my XT1254 using Tapatalk
  23. coachdtierney54

    What oil should I use?

    Thanks for the advice. One of these days I'll post some before and after pics. Sent from my XT1254 using Tapatalk
  24. coachdtierney54

    What oil should I use?

    So is the 15w-40 what I want? Sent from my XT1254 using Tapatalk
  25. coachdtierney54

    What oil should I use?

    I thought I had seen this post in the past but I can't find it now. I have an 85 C30 Scottsdale with a 454 big block. I recently changed the oil and now the engine runs very hot at idle but when I resume driving, the temp returns to normal. I used a 10w-30 high milage oil. Could this be the...

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