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  • Rocker Arms

    Hey wuts up guys?...Im contemplating getting some rocker arms for my car I have a 1996 3.8L camaro with a catback, headers, and intake done. I have been looking at a few rocker arms on ZZP performance...more specifically the pro magnum roller rocker arms and the alumminum package rockers. My question is what exactly should I be looking for in rocker arms to insure that I am getting something good, are aluminum ones ok? or are chromemoly steel ones better to get, any advice you can offer that might help steer me in the right direction would be appreciated thanks.

    Mike
    Last edited by LETZRIDE; 05-01-2007, 02:53 PM.

    2002 SOM Z28 Camaro - 12.9 @ 104 mph
    1996 3800 Camaro - 13.43 @ 100.77 mph


    Project Cars | How To Guides | Scratch Repair | Synthetic Oil

  • #2
    Re: Rocker Arms

    rockers are certainly a good upgrade, I run the pro mags, but i would steer clear of them as they have given me issues. Go with the aluminum package, 1.9 ratio

    Comment


    • #3
      Re: Rocker Arms

      UDLOSE, where did you pick up your rockers? I'm getting ready to start my build, finally, and I can't see spending 300 for a set of rockers. Any sites you know of that they're a little cheaper? TIA
      Let's flip a coin. Heads I get tail, Tails I get head.

      Comment


      • #4
        Re: Rocker Arms

        The aluminum 1.9's are top notch. Just be aware if you ever decide to get a cam you will have to either put your stock rockers back on or get a custom grind cam. If you plan on getting a cam eventually I'd skip the rocker upgrade as the stock rockers have a roller pivot and are fairly efficient and reliable even at 7K rpm. If you don't plan on a cam then rockers are a great mod.

        youngsc, you could get some modified stock rockers for a little under 300. They work fine but are a bit heavier and don't have the roller tip. Basically you would have slightly less efficiency with the modified stockers than the aftermarket options.
        Last edited by T-Punk; 05-01-2007, 04:52 PM.
        2001 Arctic White Firebird With Black Drop Top<br /><br />3:42 Gears<br />Zexel LSD<br />BMR upper A-Arms<br />Trans Am exhaust with 3\" I-pipe and cutout<br />Modified intake<br />Mecham Hood<br />Trans Go shift kit<br />Making rear control arms and panhard

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        • #5
          Re: Rocker Arms

          Ok, give me your impressions. Could I get away with stock rockers if I go with a gt2 cam, 216/216 duration and stock heads for now but eventually stage 2 or 3 abbots? I really would like a 1.5 or 1.6 rocker just to get some added benefit from the cam but you think I could hold off till I get the heads? Did that make a bit of sense. I just can't see justifying 300+ for rockers now or for a while so I guess I'll keep my eyes peeled for a good used set.
          Last edited by youngsc; 05-01-2007, 05:50 PM.
          Let's flip a coin. Heads I get tail, Tails I get head.

          Comment


          • #6
            Re: Rocker Arms

            Originally posted by youngsc
            Ok, give me your impressions. Could I get away with stock rockers if I go with a gt2 cam, 216/216 duration and stock heads for now
            stock rockers would be fine

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            • #7
              Re: Rocker Arms

              How much of a loss in power would I have from that extra .2 of lift I would be getting with 1.5's or 1.6's?
              Let's flip a coin. Heads I get tail, Tails I get head.

              Comment


              • #8
                Re: Rocker Arms

                Stock rockers are 1.6 so there would be no loss. The only reason to upgrade rockers with a cam is to get a minimal gain in efficiency from the lighter weight and roller tip. I really don't see any need to ever upgrade my rockers even with heads, cam, stroker, FI or whatever, just not a necessity.
                Last edited by T-Punk; 05-01-2007, 06:37 PM.
                2001 Arctic White Firebird With Black Drop Top<br /><br />3:42 Gears<br />Zexel LSD<br />BMR upper A-Arms<br />Trans Am exhaust with 3\" I-pipe and cutout<br />Modified intake<br />Mecham Hood<br />Trans Go shift kit<br />Making rear control arms and panhard

                Comment


                • #9
                  Re: Rocker Arms

                  Originally posted by UDLOSE98
                  rockers are certainly a good upgrade, I run the pro mags, but i would steer clear of them as they have given me issues. Go with the aluminum package, 1.9 ratio
                  The pro mags have given you issues?...what kind of issues?

                  Thanks for the insight by the way

                  2002 SOM Z28 Camaro - 12.9 @ 104 mph
                  1996 3800 Camaro - 13.43 @ 100.77 mph


                  Project Cars | How To Guides | Scratch Repair | Synthetic Oil

                  Comment


                  • #10
                    Re: Rocker Arms

                    they require you remove the stock pedestals and move to a more "floating" style of rocker. They have bent my rocker bolts, one tip has even broke a chunk off. Just dont like em.

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                    • #11
                      Re: Rocker Arms

                      Originally posted by T-Punk
                      Stock rockers are 1.6 so there would be no loss.
                      Wait the stock rockers are 1.6? How is that. When you look at the lift specs on a cam it states stock is .332 or whatever but then lists 1.5 with a lift of .512 and 1.6 with a lift of .532. Someone explain.
                      Let's flip a coin. Heads I get tail, Tails I get head.

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                      • #12
                        Re: Rocker Arms

                        the 1.6 RATIO does not refer to the lift

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                        • #13
                          Re: Rocker Arms

                          ok then explain.

                          with a higher ratio rocker you get more lift, correct? 1.9 would pivot the rocker more therefore giving it more "lift" than a 1.5 correct?
                          Let's flip a coin. Heads I get tail, Tails I get head.

                          Comment


                          • #14
                            Re: Rocker Arms

                            correct, however the numbers (1.6, and 1.9 etc) arent direct representations of the lift you will gain from then. Basically the higher RATIO rocker you go with, the more lift you will create, however. By going from 1.6 to 1.9 will not result in a .3 gain in lift

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                            • #15
                              Re: Rocker Arms

                              Ok I understand correctly then. I guess my original assumption of what the stock rocker ratio and lift of the cam were was wrong. If I had gone to the tech database and searched I would have seen the correct numbers. What a noob mistake. TY
                              Let's flip a coin. Heads I get tail, Tails I get head.

                              Comment

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