Originally Posted by Itsmeagain
8.7:1 isnt exactly high compression, so thats lil strange.
GTST skylines are 9.5:1 as standard and ive seen them running 1.5bar no problems on pump fuel
Gotta be down to huge squish area surely? Prob would work better without the decomp plate!
Thats what i mean. Would love to see an ignition map from a car that spec.
Think it must be the lack of squish that encourages the det?