Guest mattrp Posted March 19, 2000 Share Posted March 19, 2000 With this incredible gas price increase, I have also noticed a decrease in quality. Right about the time the prices really jumped my car started mildy backfiring out the glasspacks. This is not loud, sounds like a low pitch pop. I have checked for fouled plugs, and leaned out the mixture. No Effect! I think the oil companies, the refineries, and OPEC all suck. They charge more, give less. Maybe if we blow one of the OPEC guys off the map it will scare the others into giving us more oil. JUST AN IDEA OF COURSE!!! Matt 72 500z Quote Link to comment Share on other sites More sharing options...
John Scott Posted March 19, 2000 Share Posted March 19, 2000 every winter, Feb.-Mar. we get the higher Oxy fuels. Have to retune the Z and my Truck gets 3mpg less than in summer months. Runs like crap! Quote Link to comment Share on other sites More sharing options...
Sumo Posted March 19, 2000 Share Posted March 19, 2000 If you still have MTBE additives there in CA like we do here in Dallas that may contribute to it. This additive is supposed to burn cleaner but in order to do that you burn up to 15% MORE gas. Does that make sense? Burn more fuel to have cleaner air. Quote Link to comment Share on other sites More sharing options...
John Scott Posted March 19, 2000 Share Posted March 19, 2000 We have ethonol. New computers recognize the leaner mixture and richen it, burning more gas. My gross polluter (actually runs pretty clean)Zcar is supposed to burn leaner. Onl driven about 500 mi/year! The majority of us with clean burners are making up for the polluters. (My 99 150 doesn't even registar on the CO, HC test. at any rpm!) Quote Link to comment Share on other sites More sharing options...
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