gas prices too much. is it bad t run my 1.8t on regular even though it was on the middle one?
04-17-2006, 10:39 AM
#7
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You will get better milaege and performance with the correct grade fuel, here is why
The "sophisticated electronics" or knock sensor is preventing your car from pinging on the lower octane fuel. It does this by retarding your timing slightly. This lowers your performance so you may be saving a few cents at the pump but overall it is'nt saving you anything at all ( IMO). Over the long term you can cause some damage but mainly its performance.
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04-17-2006, 11:16 AM
#8
You have a Thermal exhaust so I take it you're into performance mods...
Why deprive your car of performance by putting in 87 and spending all that money on an aftermarket exhaust?
04-17-2006, 11:26 AM
#10
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premium gas is 93 here and it's at most $.20 more than regular... we're talking about $3.00 here
at every fillup... i need gas once a week... so we're talking about saving $12.00 a month... i would say cut costs somewhere else