Hi Isuzutoo -eh
Yes unfortunately this is correct I drive 200kms round trip to work. Last night I used my speedo and the GPS and at 100kpm im at 4000rpms
I have used this link [URL]http://www.ashcroft-transmissions.co.uk/calc/ratio_calc.html
Today I will physically confirm that I have a 300tdi r380 lt230 (1.6) 4.7 diffs and 32" wheels which gives me the 100kph@4000rpms this is what the calculator suggests i have.
I wore ear plugs and sat on 80kph on the way home from work last night. I will only drive this car around until I get a Discovery transfer lt230(1.2) which will bring my rpms down to 2860@100kph. Thanks again for your time I will post my transmission detail asap
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