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  • timing

    How hard is it to change the timing on a 95 dohc and what kind of tools are needed.
    1995 3.4 DOHC Grand Prix gtp
    cold air intake, high flow cat, dynomax mufflers.

  • #2
    RE: timing

    Well, i think its easy, others think its hard as hell, so it depends on how mechanically inclined you are. To time it to stock, you need a flat bar like the one shown under the DOHC section of the site, Maintenance. To set it to alternate timing, the DOHC timing tool sold on the site store is the easiest way to go for accuracy. Being a 95, you only need either a 15mm socket and another 15mm socket or wrench to remove the cam bolts. A cam gear holder helps a lot but there isn't anything cheap for that as kent moore makes the tool. If you want, you can use a 15mm on another cam and use the belt for tension to keep the motor from cranking backwards while you word on the cam bolts. Its best to use a holder if you plan to reuse the belt. Your lockring will come out with some prying or tapping on the backside of the cam gear once the bolt is out, letting you spin the gears without spinning the cams.
    Ben
    60DegreeV6.com
    WOT-Tech.com

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    • #3
      thanks for the reply but ive read some post that said if you change the timing a little that you can gain horse power. how do you that im still kind of confussed.
      1995 3.4 DOHC Grand Prix gtp
      cold air intake, high flow cat, dynomax mufflers.

      Comment


      • #4
        thanks for the reply but ive read some post that said if you change the timing a little that you can gain horse power. how do you that im still kind of confussed.
        1995 3.4 DOHC Grand Prix gtp
        cold air intake, high flow cat, dynomax mufflers.

        Comment


        • #5
          Yes, changing the cam timing changes the powerband and power output.



          Ben
          60DegreeV6.com
          WOT-Tech.com

          Comment


          • #6
            so what is the opinion on what the advance/retard should be? i have heard 13 degrees repeated over and over.. but he speaks about 12 in his article. 6 adv/6 retard. how did the 7/6 work? what about the 8/8? i have a 92 w/ brand new crate 96 and the old 4T60E auto

            S
            2014 Chevy Cruise LT
            2000 Kawasaki ZX-6R Ninja Motorcycle

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            • #7
              1997 Z34 Monte,: testing 4 exh cam\'s, RSM STB, K&N, Eagle077 245/40/ZR18 Nitto Extreme
              1972 3/4 ton 4X4 longbed, built 350, 400 auto, 6\" spring lift, 35\" AT/BFG\'s, dana 60 front axle, 14 bolt gm w/detroit locker 4.56 gears. My ricer smasher

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