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Burgundymog, Graham, G4FUJ, Luddite, Paul F
Total Likes: 4
Original Post (Thread Starter)
#843830 05/24/2026 5:49 AM
by +8Rich
+8Rich
I am the last person in the world to fall for or try gimmicky things.

[Linked Image]

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.
Liked Replies
by TigerTim
TigerTim
After my restoration (with new carbs and engine rebuild), I took my 1980 Plus 8 (238,000 miles) in for an MOT to check I'd not missed anything vital. I was disappointed that it failed its emissions and took it home to check it all over. Found two plug leads had been put on incorrectly so I was running a Plus 6 with two cylinder petrol vapour emitters! The long time in lay up had perhaps made me forget how good the performance was.
With plug leads correct, I had an MOT pass and improved performance. If only it was normally so simple.
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