Breaking is a pain in the ass.
Will you seriously save that much money going froma V6 to something else.
Have you actually done the sums mate ?
I like sums so here we go.
worse case scenario - your ZS does 25mpg - mine is doing 29 right now - A litre of unleaded costs £1.29 making a gallon £5.90
If you do 10K miles a year your fuel will cost you - 400 gallons of fuel - £2360
If - and it's a big if - you can get your tweaked but economical ZS up to say 35mpg - your fuel will still cost - 286 gallons (rounded up ) - £1687
So a 10mpg improvement only saves you £673 ish.
Is the time, effort, cost etc etc worth it. I bet you, you'd spend that on your replacement on bits and bobs ....
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