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PY Online Forums - Bringing the Pontiac Hobby Together > 79firebird_99TA > Conversation Between 79firebird_99TA and DeanBenson
Conversation Between 79firebird_99TA and DeanBenson
Showing Visitor Messages 1 to 1 of 1
  1. DeanBenson
    12-15-2014 11:16 AM
    DeanBenson
    Hi, I'm trying to sort out my engine combo for my 64 Lemans. I'm going to run a Tri-Power. I'm really leaning towards building an engine similar to what you have. 400 with 6X-4s shaved ??? thousandths with a XE 268 or XE274 cam. I just want a street cruiser, no racing. I have a 4 speed and 2.93 posi.

    Are you happy with your combo? What kind of fuel mileage do you get on the highway? Can you run 87 or 89 octane? Or do you have to run 92/3?

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