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Thread: Pondering a new car
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07-29-2012, 12:52 PM #31
InActive Member
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But the question still has gone unanswered. I'm not going to buy another car now, but I want to make sure I'm getting exactly what my engine needs.
Regular seems to make it knock a few times when I step on the gas.. Premium doesn't do that. This is why I'm looking at the timing now. Because my timing is probably advanced too much for regular, but I need help adjusting that.
Here's my main spark advance tables.
Gas milage wise, I actually got a little less on regular.. With premium I get 21mpg average.. On the regular I got 19mpg.1994 Caprice w/ L99 4.3L V8
Tuned PCM, Dual Air Intake
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07-29-2012, 12:55 PM #32
"The Rock"
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So go back to premium.... THATS tge answer. Clearly ur unhappy w regular....soooooo..... use premium.
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