Quote:
Originally Posted by Vintagewrench
What octane fuel does it need at that CR?
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I run it on Tescos momentum (99RON) or Shell optimax (98Ron)
No det whatsoever but i have tight squish at just over 0.030’.
The pistons also have a ceramic coat on the crowns and ive carefully optimised the ignition (123tune) on a RR with a knock sensor.
We did have 102 Ron but that disapeared a while ago
I had the head off a year or two back and the ceramic coating and valves had no damage at all.
R