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Corvette
C7 Forum
Huge disappointment
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<blockquote data-quote="Lootz" data-source="post: 176023" data-attributes="member: 5522"><p>That goes without saying, however its only under pretty aggressive use, you've gotta be really hot rodding it. Driving it normally will do nothing, slightly aggressive will start to ping (spark knock). Straight out of the owners manual 91 is recommended but not required, nothing less than 87 is acceptable because of detonation or HEAVY knock, Thats the engine killer. Slight pinging wont severely hurt your engine. The car can be driven normally using lower octane and cause long term carbon deposits over the span of a lot of miles, I've seen it quite a bit when customers cheap out on fuel. It just doesnt burn the way its meant to.</p><p></p><p>Now this is for base model 6.0/6.2L engines only. 7.0L engines like you said - different ball game.</p><p>You can use lower octane and drive the car, it wont set a MIL was my point thats all :^) but lets be honest, why would any corvette guy/gal not go with premium!?</p><p></p><p>Dale I'm glad they got ya fixed up and back on the road. Vent shut valves are a somewhat common evap failure on most vehicles, sorry it happened so soon on yours. Don't sweat it, doesn't mean you have a lemon.</p></blockquote><p></p>
[QUOTE="Lootz, post: 176023, member: 5522"] That goes without saying, however its only under pretty aggressive use, you've gotta be really hot rodding it. Driving it normally will do nothing, slightly aggressive will start to ping (spark knock). Straight out of the owners manual 91 is recommended but not required, nothing less than 87 is acceptable because of detonation or HEAVY knock, Thats the engine killer. Slight pinging wont severely hurt your engine. The car can be driven normally using lower octane and cause long term carbon deposits over the span of a lot of miles, I've seen it quite a bit when customers cheap out on fuel. It just doesnt burn the way its meant to. Now this is for base model 6.0/6.2L engines only. 7.0L engines like you said - different ball game. You can use lower octane and drive the car, it wont set a MIL was my point thats all :^) but lets be honest, why would any corvette guy/gal not go with premium!? Dale I'm glad they got ya fixed up and back on the road. Vent shut valves are a somewhat common evap failure on most vehicles, sorry it happened so soon on yours. Don't sweat it, doesn't mean you have a lemon. [/QUOTE]
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Corvette
C7 Forum
Huge disappointment
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