now whats wrong with these carbs

#1
Hi all I went to gaydon show today. I drove up last night and stayed in Kenilworth then back down to gaydon this morning then home via my sisters in oxford. Aprox 310 mile round trip. I used 60.75 litres of go go juice which works out roughly 23 mpg. however on the way up I only got 22 ish and 25 on the way back. All motorway driving bar short distances on a roads.

I know I have a 3500s but I have heard people on here say they r getting 28-30
coop
 
#3
PeterZRH said:
I'd say your numbers are more "normal". Perhaps those people have 5 speeds or a ZF?
that's true didn't think of that. 310 miles in a noisy p6 takes it out of me especially with the blonde brigade that accelerate like crazy so u cant get past then when u pull in behind them slow down to 55.
coop
 

PeterZRH

Well-Known Member
#5
Well, looking back, my mothers Mini Clubman struggled to get 35 mpg in real world usage, so I'm thinking 28mpg is pretty impressive. I know we're talking "cruising" here but given 50 year old aerodynamics thats good.

I'm guessing a ZF or 5 speed set-up with an EFi setup should beat the magic 30mpg on a run. I know some Stag owners have (claimed to have) got up to 35 with a ZF.
 
#6
PeterZRH said:
Well, looking back, my mothers Mini Clubman struggled to get 35 mpg in real world usage, so I'm thinking 28mpg is pretty impressive. I know we're talking "cruising" here but given 50 year old aerodynamics thats good.
It surprised me, TBH. So much so, in fact, I had to ask on here if it was feasilble, or if I'd got my sums wrong somehow!
 
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