So I just drove it with the GAV open almost an extra full turn and it didn't backfire. I'm trying to make logic from that. Why would running richer be better? Why would running leaner cause backfire.
Not saying that a carb rebuild wouldn’t help… but it ran fine Sunday. I didn’t touch the carb and now it is backfiring really bad. I messed with the electrical. All associated ignition wiring and new plugs. I have gone back through the wiring but I didn’t see anything.
The only logic I can see with this is that running too lean makes your engine run hotter. Maybe that create more opportunities for combustion in your muffler.
I know this has been discussed a bunch of times. I’ve read through many of the related threads but have not found a solution.
I rewired my roadster including the ignition. I also installed new plugs (gapped). Now it backfires really bad when I let off the throttle and going downhill under...
Thanks everyone for your quick responses. I will go with the cap solution until I have time to dig in further. I was concerned that if I cap the speedo connection I would just eventually fill up the torque tube with ****** fluid. I think I understand now that there is seal in there to prevent...
Ok. So the torque tube seal not the transmission seal is what is suspect? Do you not think it is a transmission leak? Differential leak? Just making sure I understand.
I have a pretty significant transmission fluid leak from the speedometer cable connection on my 1931 roadster. I currently don’t have a speedometer cable attached. The speedometer is rusted solid anyway. After each drive it makes a pretty good puddle. I can see it leaking directly from where...
Seems like we are hung up on this topic of my interested in traditional 1940s hot rods. I appreciate all of your recommendations. I’ll pop back in if I have model a specific questions. Thanks!
Thanks for your insight Harpkatt. Yes, I am having a blast with my 91 year old car. I certainly do not plan on going very fast in my car. That would be pretty scary. However, I do really like the early days of hot rods and what those guys were able to do with what they had available to them...