@rrstdv8. You points you raised are news to me but very valued I was unaware of the down fails as I am still reading up on the much debated issue.

How ever the cost over a cat compared to a egr which can easily be blanked off in any case out ways the risk of the theroyritcal small gains the risk of the costly minus side.
I don't think I'll bother on that note and a quick read of those useful links.

2007 TDV8 about half long runs (but with some traffic crawling) and the rest very short trips to the off-licence or the gym.

Calculated by full tank to full tank rather than the computer = 21.6 mpg,

Perhaps a little low but the FBH was kicking in on almost every trip. 2008 MY Java Black TDV8 HSE

My last trip, the car did --- mpg in -5 degrees. Due to being on back of transporter
Usually averages 23 on local rural driving with little bit of dads taxi into Bath, and 30 on long runs which drops to 23-25 towing caravan. I tend to find I have higher consumption in summer due to air con being on. 2x TDV6. SE and HSE. Both returned to sender with issues👀
TDV8 Sport HSE...... Gone. Loved it but it didn't love me!!
Now rolling in MY10 Fullfat TDV8 Vogue. Slammed it to go round corners🙈
Cruising daily #56 mph in a Volvo V8. 😱
Lots of other toys in the cupboard...😜

My S/C is still not going above 10.6 around town..

Although cheating slighty Just drove to Heathrow and back (135miles) after reseting the counters and achieved


20.6 MPG !

Thats not going above 70 and on cruise with ACC following the car in front ! Why?.. Because i can....
RRS 2006 S/C Rimini Red Weekend toy
Subaru impreza 1998 2.0 340hp still here
Smart car 0.7 61 hp Carbon offset
Sierra cosworth 2.0 350 hp GONE
Various RS escorts, Vauxhall sri's Volvo T5's, BMW 3 series, fiestas (?) fiat's....
Mr Mischief - www.mischief-inc.co.uk