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    will it give me more horse power if i make my valves oversized??? do i have to oversize both or only the intake valve????how many octane would i need for a 11.0:1 compresion and where can i buy those pistons?? by the way its a 3.4 thank you guys

  • #2
    11:1 on a 3.4 [img]graemlins/omg.gif[/img]
    94 Firebird 3.4 - RIP<br />97 Firebird 3.8 - In the works

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    • #3
      Originally posted by tWiStEdBird:
      11:1 on a 3.4 [img]graemlins/omg.gif[/img]
      with the right cam and programing, it would beable to run on 93 octane
      my red camaro 3.4 had 10.2 and ran fine on 89 octane
      Wolf<br /><a href=\"http://www.cardomain.com/memberpage/249111/7\" target=\"_blank\">95 black t-top camaro</a>,3.4 5 speed,ud pullies,plugs/wires,de-shaft tb & gutted airbox, homemaid short throw shifter

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      • #4
        You can do one valve or the other or both.
        Do you know if you need them or not?
        A realy good port and polish would be the only way to make use of bigger valves.
        The turbo calc says 93 will work on a 3.4 with 11:1 c/r.
        Mainly becasue you have the low V.E. of a 60-v6.
        \'85 Z28, T-tops new LG4 and TH700<br />\'85 3.4L 5-speed<br />mods: <a href=\"http://www.cardomain.com/id/oil_pan_4\" target=\"_blank\">http://www.cardomain.com/id/oil_pan_4</a> the nitrous exhaust O2 safety, pg 3. <br />Areo space materal engineer wantabe

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        • #5
          I have Ross flat top pistons which give a 10:1 compression and I run 93 on mine. Keep in mind that you can save money by going with flat top pistons vs. domed.
          - Josh<br />If you have any questions or need installation pics/help, e-mail me: Viper98885@aol.com<br /><a href=\"http://Camaroz28.cardomain.com/id/viper98885\" target=\"_blank\">\'93 Camaro Hardtop</a><br /><a href=\"http://Camaroz28.cardomain.com/id/01lincolnls8\" target=\"_blank\">\'01 Lincoln LS8 Sport</a><br />\'00 Yamaha YZF-R6<br /><a href=\"http://www.ftpp.net\" target=\"_blank\">Full Throttle Performance</a>

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