Gas
#1
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Gas
Hey guys and gals. Just want to see something. I have a 1993 bonneville SSEI. What is the average fuel mileage for this car? What Are you guys getting. I had an SSE before without the SC and I got great mileage. This one, I get about 420-470 KM a tank!?!
#2
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the SC will knock it down, i don't have onewith a sc but a friend of mine has one and they get about 17.5 miles per gallon average, i don't know what that is in km per gallon
#3
DINOSAURUS BOOSTUS
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SC does not reduce mileage at all. Until you start laying on the throttle. Actually the SC'd cars typically have higher gearing and can do very well on mileage.
#4
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I have a 93 ssei and I was getting around 20-21 mpg with a bad return line to the sending unit and my *.C. was going out. I would check the filter.
#7
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My speed was mainly 60-70 mph stock, as far as filter type I don't know haven't replaced mine yet, but will be when I replace my *.C. and fix the sending unit leak.
#8
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On my '92 SSEi, I used to get about 22 mpg. I stayed out of boost for the most part. I would have probably gotten better mileage, but I used premium fuel with ethanol and that imposes a mileage penalty. If the oxygen sensor is past 60K miles and not working as it did when new, that can cause a pretty serious mileage drop. If you replace it, get an AC Delco, not Bosch.
#9
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Bosch are junk, I just rum premium pretty cheap around here, usually runs less then WI reg. unl. I think it'* around 2.12 now, was down to 1.98 little over a week ago.