How problematic is it to only use 95 Octane?
Given the comments I was reading on an earlier thread (Fuel tank), I started to wonder how performance, economy and general wear & tear is affected by not using the higher 98 Octane - particularly as there isn't a garage within 20 miles of me that stocks it
I suspect there is a difference, but how noticeable is it? Also does it cause any long term harm/damage?
Finesse
There is a noticeable difference - you get a sharper throttle response on Optimax certainly.
Using it long term won't cause any damage though, although IMO it does help a "highly strung" engine to run smoother.
Make sure it's a reputable source though - little known or supermarket brands may have less dtergents in them IIRC.
Using it long term won't cause any damage though, although IMO it does help a "highly strung" engine to run smoother.
Make sure it's a reputable source though - little known or supermarket brands may have less dtergents in them IIRC.
AFAIK the low octance won't cause any damage as such, but the ECU will pull the timing back to prevent knocking/ detonation and you may be down a few bhp. I think the quality of the fuel may be more of a concern, poor quality fuel tends to be lacking in cleaning additives etc, but I'm sure someone more knowledgable will be along to give a proper answer.
Originally Posted by honpar,Dec 9 2004, 10:35 AM
I've had to use 95 for the last 2 years. Touch wood I've had no problems.
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Originally Posted by Finesse,Dec 9 2004, 05:04 PM
particularly as there isn't a garage within 20 miles of me that stocks it







