Quote:
Originally Posted by Redback
What other engine has had its emissions increase as a result of Direct Injection being incorporated?
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I wasn't referring to DI, I was referring to Lotus pulling an "extra" ~10 hp out of the DI (or non-DI for that matter) engine.
The only relatively easy way of doing it is playing with the cam/ignition timing, and there's a point in which that becomes less and less feasible while maintaining emissions compliance.