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Difference in 98 fuels Hey guys, Not sure if its worthy of a thread, but thought I'd tell the world anyway, as its made my day, haha. When I had my car tuned, I made sure I was running caltex 98, (as at the time the only servo's open early when I leave for work were caltex servo's) And by habit, have always tended to use Caltex. Latest tune I went to a single cell cat, (still predominately using caltex) and the amount of black deposit's on the back of the car was alarming. One return trip to work, 150km, and it was noticeable. 4 return trips and you'd have to use degreaser to move it. By chance happened to fuel up with BP, then Shell twice in a row, and had washed the car prior to this, and noticed less deposits. I've fuelled up a further 4 times (2 with BP, 2 with Shell) and the car basically has no deposits on the back anymore! And the car seems to feel more crisp on light throttle. Driving habits have not changed Haven't changed a single thing on the car. Boost controller hasn't been touched. Car feels better off boost, and still feels awesome on boost Weather has been similar. I'm still trying to think if anything else would have caused this, but seriously, the only thing that has changed is the fuel. To confirm I really should go back to caltex for 6 or so tanks, see if the deposits come back, but kinda like not having to de-grease the back of the car after a weeks driving. I haven't spent any time looking into where the fuel comes from, i.e what brand comes from what refinery, but pretty happy with the result of changing fuels regardless! Maybe I should head back to the dyno with a fresh tank of BP/Shell, and see if I can find that 10rwkw I lost.... haha
