Home > General > Who is running a "high mileage" 4.2 Supercharged |
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LandyGee Member Since: 11 Sep 2021 Location: Ka7 Posts: 26 |
Thanks Rosco!
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12th Sep 2021 3:50pm |
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RRV8SC Member Since: 02 Oct 2021 Location: SW London Posts: 179 |
SW London 14mpg, on a run 28mpg, have achieved 32mpg on steady motorway. |
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3rd Oct 2021 12:15pm |
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xjsracer44 Member Since: 29 Nov 2010 Location: Hertfordshire Posts: 274 |
I have averaged 17 - 18mpg around town, on motorway & towing over 165,000 in total. It doesn’t seem to matter what kind of driving I do, it all averages out in the long run.
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7th Oct 2021 3:06pm |
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maric995 Member Since: 04 Apr 2019 Location: zagreb Posts: 58 |
Did any of your high mileage 4.2's had alternator failure and at what mileage? I am cooming close to 170k on mine ajv8 so thinking of preventative replacment RR HSE 4.4 2006 LPG |
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8th Oct 2021 7:10am |
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dingg1 Member Since: 29 Jun 2013 Location: PORTUGAL Posts: 1345 |
My alternator failed at about 100k, on removal the brushes had plenty of 'meat' left on them the bearings were fine but the rectifier had failed
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8th Oct 2021 7:55am |
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Sandyt Member Since: 07 Nov 2013 Location: Wraysbury Windsor Posts: 2265 |
At 150k I replaced all the pulleys belts tensioners alternator and the loom to the battery = all were in reasonable order and are in the garage as spares |
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9th Oct 2021 7:48am |
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