79firebird_99TA 79firebird_99TA is offline

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  1. 79firebird_99TA
    12-19-2014 08:54 PM
    I love the combo. Lots of low end grunt all the way up to 5k. The 268 has a nice lope at idle. I do run 93. I also had .065" shaved on those 6x-4s. That puts me right at 9.2:1.
  2. DeanBenson
    12-15-2014 11:16 AM
    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?

About Me

  • About 79firebird_99TA
    79 Firebird 400, 99 Trans Am LS1, 75 Corvette L48
    Cars and Electronics
    Television Broadcast Engineer
  • Signature
    79 Firebird/`70 400 with `77 6x-4s shaved .065"/4 speed BW ST-10/Cliff Q-Jet/XE268/3.08
    99 Trans Am/383 LS1/TSP headers and catback/custom grind cam/Vigilante 2500/Strano springs and Konis
    08 Corvette - Base
    (SOLD) 75 Corvette/L48 350 (LSx -4L60E one day)


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  • Last Activity: 10-15-2022 02:34 PM
  • Join Date: 12-20-2003
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