BLU 9. My Jaguar XJ L 2.7D X358 Improving Fuel economy and performance.

In this video (#9 in the BLU the XJL series) we discuss and test tweaks mods and maintenace to improve Fuel economy and performance on my Big cheap Jag.
And John from To the Garage shares some of the potential future mods and asks for your opinion on them before decisions are made.

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Видео BLU 9. My Jaguar XJ L 2.7D X358 Improving Fuel economy and performance. канала To The Garage