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pb25 · 03-11-13, 02:16 PM

Well 99 miles on and the air filter has made little difference. Its been slow with several lorries so my average speed has been 52mph with cruise control on pretty much all the time. What I have noticed is that if I stay under 2100 rpm then mpg is alway above 50 and mostly in the 60's. Go above this rpm and the mpg is down to the 30's so my average mpg is 40.9. Im thinking turbo now as this is whrn it kicks in. Even though it doesnt have an intercooler im guessing it has turbo hoses? If one was split it would put less air in and more fuel?

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03-11-13, 02:16 PM	#20
pb25 Member Join Date: Jun 2012 Location: Dunnet Posts: 330	Well 99 miles on and the air filter has made little difference. Its been slow with several lorries so my average speed has been 52mph with cruise control on pretty much all the time. What I have noticed is that if I stay under 2100 rpm then mpg is alway above 50 and mostly in the 60's. Go above this rpm and the mpg is down to the 30's so my average mpg is 40.9. Im thinking turbo now as this is whrn it kicks in. Even though it doesnt have an intercooler im guessing it has turbo hoses? If one was split it would put less air in and more fuel? Sent from my HTC One using Tapatalk __________________ '52 ZS 180 'V MGF VVC