Quote:
Originally Posted by NOT A 45
That's a funny statement right there! Both the LS3 and the LFX were designed to operate on 87 octane fuel. If either were to require premium fuel it would be the V6 at 11.5 to 1 compression not the LS3 at 10.7 to 1. Interestingly, GM was able to get these engines to operate on regular fuel, however nearly every "technologically superior" German vehicle must have premium fuel!
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Requiring Premium fuel is a game changer in regards to fuel prices
The only reason I would put premium in when it is not required is if I am going to be running the engine hard. Otherwise for normal driving I run 87
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