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Finally the V8 3.9 O2 project
I guess I should have done this long ago.
This is the project document Project OXY small (2).pdf Regards Philip A |
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Steve, have a search in fuel economy in technical. I have kept up a bit of a commentary over the last year.
The summary is, that I seem to have an increase of about 10%. Coming back from Canberra to Sydney a couple of weeks ago I got 16.2 Litres per 100Km ( on 91 unleaded) towing my 550 Kg camper at 110Kmh where posted. However going to Canberra into a 60Kmh Gale I only got 20L per100Km.( on E10). This is over the Great Dividing Range. I have a long range tank so it goes a long way between fills, This makes it hard to generalise as I do all sorts of different driving. However locally my economy has increased from 22L100Km to about 20L100Km. I am now keeping a log of each fill. So my conclusions are About 10% better economy E10 gets worse economy by about 5% Power/ responsiveness at light throttle is worse I fitted new plugs the other day , as looking at my records I found I had forgotten , and they had done about 27K. They were all white ( beautifully lean) all over, which is different to previously. Remember also that my car should have better economy than stock before the o2 sensors, as I have a Unichip, Thor Manifold, modded heads, high air intake, free flow muffler. Probably the only mod that has given a noticeable difference in economy, vs power. Regards Philip A |
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Firstly - thanks for the write-up, very clear and precise. I wish to do the O2 sensor retrofit to my 98 disco, but I cannot find the correct O2 sensor from the ebay seller you list in the write-up. (He may not sell them anymore) Would you be able to link me the specific O2 sensor you used? Thanks, Steve |
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