Valve Covers?

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  • Bullwinkle
    • May 2010
    • 8

    #1

    Valve Covers?

    I need taller valve covers for my 3.4. Any ideas on where to find some?
  • geoffinbc
    Iron Head Enthusiast
    • Oct 2003
    • 5831

    #2
    What 3.4L? What do you need to fit under it?
    1993 EXT. CAB, 3.4L V6 TBI, 5spd manual. Sonoma
    1990 4Door, 3.2L V6 TBI, 5spd manual. 4X4. Trooper
    Because... I am, CANADIAN

    Comment

    • Bullwinkle
      • May 2010
      • 8

      #3
      It's a 1995 Camaro 3.4 V-6 in a Stalker chassis. I installed a performance cam, which required taller springs to avoid binding. The springs hit the stock covers. I haven't found any aftermarket covers for this engine.

      Comment

      • Superdave
        Been there, Built that.
        • Sep 2004
        • 5850

        #4
        the installed height shouldn't have changed though...

        Fiero covers might give a little more clearance but these are shiny: http://www.summitracing.com/parts/EDL-4488/
        Past Builds;
        1991 Z24, 3500/5 Spd. 275WHP/259WTQ 13.07@108 MPH
        1989 Camaro RS, ITB-3500/700R4. 263WHP/263WTQ 13.52@99.2 MPH
        Current Project;
        1972 Nova 12.73@105.7 MPH

        Comment

        • Bullwinkle
          • May 2010
          • 8

          #5
          Ordered those shiny things, so I'll add a little bling. You're right, the height should stay the same since the valves are stock. Spring diameter must be larger. I'll compare them just for curiosity.

          Comment

          • geoffinbc
            Iron Head Enthusiast
            • Oct 2003
            • 5831

            #6
            Fiero covers have less clearance than stamped covers. Edelbrock covers look like they have more clearance in the corners than the stock steel ones. Did you have to machine the spring pockets in the heads to fit the springs? Both the Crane and COMP springs fit the heads without machining and should accommodate all but the most aggressive of cams and both of the fit under stock or Fiero covers. Are you using roller rockers?
            1993 EXT. CAB, 3.4L V6 TBI, 5spd manual. Sonoma
            1990 4Door, 3.2L V6 TBI, 5spd manual. 4X4. Trooper
            Because... I am, CANADIAN

            Comment

            • Bullwinkle
              • May 2010
              • 8

              #7
              The rockers are hitting the covers, not the springs. Cam is .480 lift, spring pockets were machined, not sure which springs were used. Stock rockers.

              Comment

              • geoffinbc
                Iron Head Enthusiast
                • Oct 2003
                • 5831

                #8
                Then unless you are using longer valves then the rockers will not hit an you have something wrong. I have aluminum roller rockers and they fit with room to spare under stock covers.
                1993 EXT. CAB, 3.4L V6 TBI, 5spd manual. Sonoma
                1990 4Door, 3.2L V6 TBI, 5spd manual. 4X4. Trooper
                Because... I am, CANADIAN

                Comment

                • Bullwinkle
                  • May 2010
                  • 8

                  #9
                  I didn't push the valve covers upwards when I tightened them, and they slid down and hit the rocker arms. Installed the bling covers correctly, and they don't hit. Duhhh. Guess I needed them anyway.

                  Comment

                  • geoffinbc
                    Iron Head Enthusiast
                    • Oct 2003
                    • 5831

                    #10
                    Sounds good.
                    1993 EXT. CAB, 3.4L V6 TBI, 5spd manual. Sonoma
                    1990 4Door, 3.2L V6 TBI, 5spd manual. 4X4. Trooper
                    Because... I am, CANADIAN

                    Comment

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