I thought racing fuels octane was over 100
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10-01-2014
I thought racing fuels octane was over 100
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10-01-2014
That was my thought as well. Thats why I posted this =P
10-01-2014
Might be leaded if it's a 90 octane race fuel.
Otherwise race fuel or C16 if you wanna call it whatever is 116 octane. But they make 110 or I've seen 104 in the states aswell.
10-01-2014
Well I just filled up with shell 93 octane and I'm going to change out my o2 sensors .and take it to get a good professional tune.. Like I said earlier since the tune up, she's running like a champ at part to half throttle.. Even seems like she's shifting better.. Soon as I give it full throttle, she spikes to 6 or 7 knock..I started getting a p0420 code this past summer. And would happen while sitting in traffic..
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10-01-2014
I guess I'm uninformed, but is't it bad to run leaded fuel through cars? Every car I've ever seen is 'unleaded only'
10-01-2014
You don't need the lead and yes it's bad for newer cars and it's emissions components. Lead was a lubricant for the valves in older cars.
10-01-2014
So in my 99GTP with no cat or res... ?
I don't have any desire to run it, just trying to get a bit more info
10-01-2014
Lead will **** up your o2 sensors and you want your upstream sensor to operate correctly or mpgs will suckOriginally Posted by tomtom123
10-01-2014
Ah I see. It's good to know this stuff because I've had friends ask me questions like that beforw. And I usually tell people that if it's not recommended, don't try it. Lol
10-01-2014
Speaking on o2 sensors.. I have 113,000 miles on mine.. Is it possible they aren't working properly or not as accurately?
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10-01-2014
mine with i gotta figure 230,000 miles on it was a bit slow, put a new one in saw a small gain. not much tho as i do mostly local driving.
get a acdelco sensor too. rockauto sells them pretty cheap.
10-01-2014
or a DENSO o2 Sensor
10-01-2014
Wow230,000 huh that's good to know
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10-01-2014
yup, my latest dash pic from a few days ago.
and to day my mpg avg dropped to 14.8 lol
theres engines here with more, a few over 300,000.
10-01-2014
If I don't get rid of this knock, I won't see those kinds of miles
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10-01-2014
mines knocking,,,KR wise. have idea why yet.
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