Quote:
Originally Posted by Xitemntracing
has a lectron...
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Oppps, sorry missed that!
Sounds like detonation then. Can you fit the stock cylinder head and try running it like that? Or try some High octane race fuel?
To get an accurate compression ratio measurement you'd have to give them your complete engine to measure, unless you're confident of measuring it yourself.
All the best, Dave.
BTW... There's a common misconception that High octane fuel gives more power which isn't true, it allows you to run higher compression ratio (which in turn gives more power) without premature ignition/detonation.