Premix and fuel economy?
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Premix and fuel economy?
i just recently started using idemitsu rotary premix on my stock 90 N/A. I still have my omp but i decided to run premix just to make sure my motor has that little extra protection from a potential omp failure. i mix it with 1/2 ounce per gallon as the back of the premix bottle and how mazdatrix suggest on their website. my question is should my fuel economy go down when i run premix? i was thinking that with the extra lubrication and better sealing that my engine would be a little more effiecent or at least the same effiecency as what it was before i started premixing? is this a wrong assumption?
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#12
@ pipnorcali
a new stock fc got 24mpg on the highway new i drive pretty mild with it most of the time.
if your getting 15 on the freeway you need to slow down or fix your 7.
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yea i'm planning on changing the spark plugs. I've read somewhere that might help. I've only had the car for a couple of months and the old owner wasn't realy a car guy so all he ever did was change the oil. If the spark plugs don't help i think i'm going to change the O2 sensor because i know that's never been changed. Anyother ideas that could help other than those two? (by the way it's an S5 NA with 78K original miles)
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I have never checked just city or just highway mileage. My weekly driving consists of about 1/3 highway and 2/3 city miles and my 91 N/A Vert automatic gets 17.5mpg and I don't baby it much, hell gotta floor it and wind it out to get the fat pig movin' !
I imagine if I took a long highway trip and kept speed at limit, It might get around 21-22mpg.
I imagine if I took a long highway trip and kept speed at limit, It might get around 21-22mpg.
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rgordon1979
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