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| dalesf150 |
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g'day cobbers
I switched back to regular unleaded fuel and noticed I got better economy. this is not a driving style issue as it happened before so this time when I did it I drove in a way that would usualy chew the juice. Is this because I havn't retimed the old girl for the premium.
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| Disco Frank |
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dunno some cars run better on uleaded than premium
i know my XR6 had ZERO performance/fuel econ increase with prem and this was running it for over 1 month
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| Interceptor |
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which is this in? the fairlane or F150?
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| dalesf150 |
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in the fairlane the twuk runs straight gas.
here's the question is running premium with starndard timing like running regular with 6deg retarded timing. kinda makes sense
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| justfordima |
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No its not the same... Running premium fuel just allows you to advance the base timing more due to prevented pre-detonation. So running premium without advancing timing is just not using its full potential, not retarding the timing.
Cheers
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| Mohekn |
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mmmm i love my premium, gets 50 - 100 ks more
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| Waggin |
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Mohekn wrote: mmmm i love my premium, gets 50 - 100 ks more
Thats the difference between a car fitted with a knock sensor, and one without
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| Mohekn |
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whats a knock sensor?
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| Disco Frank |
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knock knock!
nar the knock sensor detecks detonation so the ecu can advance the timing untill it knocks
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| nannas_ed |
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Waggin wrote: Mohekn wrote: mmmm i love my premium, gets 50 - 100 ks more Thats the difference between a car fitted with a knock sensor, and one without not really i get an extra 100k's when running premium in the ed and that doest have a knock sensor. with reg. i get 300 k's to a tank and with optimax i get 400+.
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| fordgt290 |
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i find that hard with the ed but maybe.
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| dalesf150 |
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as I understand it the knock sensor allows the ecu to advance timing untill it detects a knock (duh!) so timing is always at optimum. my old fairlane has to go off what I tell it with timing which I havn't adjusted for premium or for the 180deg thermostat.
_________________ If mistakes are the best way to learn why the hell arn't I a freekin genius yet.
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| Mohekn |
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nannas_ed wrote: Waggin wrote: Mohekn wrote: mmmm i love my premium, gets 50 - 100 ks more Thats the difference between a car fitted with a knock sensor, and one without not really i get an extra 100k's when running premium in the ed and that doest have a knock sensor. with reg. i get 300 k's to a tank and with optimax i get 400+. mate im exactly the same more like 350 ks and then 450 ks with Optimax
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