SOHC.co.uk Forums > CB350/400
400 Four - PETROL GRADE CURIOSITY ?
Nurse Julie:
I have filled up on the odd occasion with Super unleaded in the past (pre all this Ethanol change) and to be honest, I never noticed any difference in performance or fuel economy. To be honest though, the 400/4 has such a small tank that I used to fill up 2 or 3 times on a days ride out with whichever fuel happened to be on the pump I stopped at.
Laverdaroo:
When I used to rag the VFR up the strip up at 'Shaky' the times were always a bit better when there was super in the tank as opposed to the normal unleaded. Not sure if it's a chemical process thing or a mind thing but always filled up on the way in to make sure we had a full tank for the racing 8)
400 Cafe Racer:
--- Quote from: Laverdaroo on October 11, 2021, 08:42:52 PM ---When I used to rag the VFR up the strip up at 'Shaky' the times were always a bit better when there was super in the tank as opposed to the normal unleaded. Not sure if it's a chemical process thing or a mind thing but always filled up on the way in to make sure we had a full tank for the racing 8)
--- End quote ---
Hi Laverdaroo,
Thanks. Sounds then in your experience performance-wise with the Honda, that there maybe some marginal benefits when pushing the engine at the limits.
Cheers ;)
Dennis
MCTID:
http://amalcarb.co.uk/ethanol-fuels
Interesting article from the Burlen Fuel Systems Technical page....some years ago...but that's Burlen for you ! (I was reading it today when I bought some Amal Carb spares).
Laverdaroo:
Realistically, yes but the times don't lie I guess. I was under the impression that it was down to available octane, higher rates etc but I'm no chemist. One of the boys on here will more than likely be able to explain it or why I'm wrong but that was the gist of our thoughts at the time. Admitted, I wasn't even aware of the E5, E10 thing back then (5+years) ago,it was always assumed that the Super bit meant it was the better, sooper jooce to treat the bike to up the strip. I'm a bit older, fartier and fanatical now I own two older hondas' as well as the beloved VFR, she'll pretty much run on anything but the old girls I want to be treated as best as I can, as you do.
They've managed to live this long and I don't want to be the pillock to knacker them by using the wrong anything, fuel included. ::)
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