major gas pains
04-18-2009, 04:49 PM
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1989 Mercedes Benz 560SEL
major gas pains
everyone and their mother knows how gas prices are bad, and only going to get worse as summer comes around. but premium gas for a 560SEL? is it just a moral thing that you would only want to put the good stuff in the best cars or does it really have a huge effect on the engine?
stupid question i know but ive been wondering that for a long time..i dont want to go cheap and ruin my baby
stupid question i know but ive been wondering that for a long time..i dont want to go cheap and ruin my baby
04-19-2009, 04:37 AM
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1991 420SEL & 300E, 2003 BMW X5, 2001 740iL all on DUBS
believe me dont try it! one time i accidently put regular in my w126 cause i was in a hurry and OMG! it was not good!! accelaration went to ****!!! i mean the w126 arent monsters when it comes to accelaration but damn! i remember trying to cross the a highway and there was horrible throttle response since that day i have made sure to never put thing under 91 octane level
04-30-2009, 11:44 PM
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1987 300 SDL
And as Goatman said, when detonation starts occuring out of sequence, then knocking starts. It will damage internal components if done for a significant amount of time. Meaning going up and down highway while the car is on severe knocking. It could eventually crack a piston and/or cause catasthropic failure. Not good for your checkbook!
