ok running rich?
#1
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I found an sc300 with 1jzgte swap and wanted to buy it, but currently it is untuned and is running rich. During idle it flucuates between 9-10 afr and cruising about 10afr with occasional 11afr. Would the rings wash out if driven like this for about 250 miles? I asked the seller to bring some extra plugs so that it can be swapped out every 100 miles while driving it back. I don't even know if that is necessary.
thanks
thanks
#3
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i put 40000 miles on my old crapper turbo protege running 10afr cuz i was too lazy to tune...you'll get shit gas mileage. just dont redline it.
and the new genesis coupe runs a 10.1 afr under boost, so it cant be that bad...then again it is hyundai
and the new genesis coupe runs a 10.1 afr under boost, so it cant be that bad...then again it is hyundai
#4
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You'll have to run much richer than that to have problems with washdown. You'll be fine, and the worst thing that will happen is the plugs might foul. If you carry a wire toothbrush with you you can just give the plugs a quick cleaning on the way home if you need to, but I seriously doubt plug fouling will be a problem.
Don't skimp on the oil change intervals though, because you might end up with a little more fuel than normal in the oil. I'm sure you're planning on changing the oil when you get it home anyway though, which is the first thing I do with a new car.
Unless you're using a wideband O2 sensor I wouldn't even bother trusting what the gauge says.
Don't skimp on the oil change intervals though, because you might end up with a little more fuel than normal in the oil. I'm sure you're planning on changing the oil when you get it home anyway though, which is the first thing I do with a new car.
Unless you're using a wideband O2 sensor I wouldn't even bother trusting what the gauge says.
Last edited by Fabrik8; 04-10-2009 at 10:57 AM.
#5
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You'll have to run much richer than that to have problems with washdown. You'll be fine, and the worst thing that will happen is the plugs might foul. If you carry a wire toothbrush with you you can just give the plugs a quick cleaning on the way home if you need to, but I seriously doubt plug fouling will be a problem.
Don't skimp on the oil change intervals though, because you might end up with a little more fuel than normal in the oil. I'm sure you're planning on changing the oil when you get it home anyway though, which is the first thing I do with a new car.
Unless you're using a wideband O2 sensor I wouldn't even bother trusting what the gauge says.
Don't skimp on the oil change intervals though, because you might end up with a little more fuel than normal in the oil. I'm sure you're planning on changing the oil when you get it home anyway though, which is the first thing I do with a new car.
Unless you're using a wideband O2 sensor I wouldn't even bother trusting what the gauge says.
This gives me more confidence in purchasing the car. i figured the same thing. The car would have to almost not run to have a wash in the cylinder.
#6
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were you running 10 afr during cruising or WOT or under boost?
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