I am the last person in the world to fall for or try gimmicky things.

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This was recommended by my proper engineering garage where I go for Morgan MOT's as the emissions on the 27 year old Plus 8 were close despite the Italian tune up. When he speaks I listen..

So yesterday I brimmed the tank and chucked the 400ml bottle in and the difference is noticeable in performance.

I did the same with the Sport and no change.


Just wondering if this is worth trying on those mucky Plus 4 models of a few years back.

2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev