Bringing this post back up from the dead. You said that with lower octane gas raises mpg. if I use Unleaded gas and mix with toluene will that still improve my mpg or will it be the same as if using premium gas??
I am currently using premium and im not even getting around 20mpg. I mainly drive in town and only use the freeway for less then 10 mins a day to get to school.
What are some ways to improve my mpg?? I am using used stock injectors that have about 180k on them, upgraded fuel pump to walbro 255, upgraded turbo to 57 trim, driftmotion intercooler set-up, and 3.5 inch exhaust with ddp. Not sure if this can be the cause but whenever I hit WOT in 3rd or higher I hit fuel cut, doesnt happen in 1st or 2nd though. cel comes on and its the knock sensor or the wiring, pretty sure. Hope this helps and whoever can give their .2 it is greatly appreciated!
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