Frankzen Posted February 15, 2003 Report Share Posted February 15, 2003 can anyone with an owners manual for any vehical with a 2.8l MPFI motor veryfy what it says to use for octane ? My manual for my '89 Regal is in the car and it's too cold (-20) to get it BTW your sig line show a file missing when you try to follow it. Quote Link to comment Share on other sites More sharing options...
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