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what do you think? 1.6 rockers on 2.8

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  • #1

    what do you think? 1.6 rockers on 2.8

    i have a set of roller 1.6 rockers laying around i was going to use on my 3400.. i decited not to use them. i do have an 86 fiero 2.8 that i was thinking about putting them on... or im putting them up on ebay

    do you think i would get any decent gains on the iron head 2.8? im thinkin not..
    [SIGPIC][/SIGPIC]
    [u][b]88 Beretta CL[/b][/u]- 13.641@102.76mph (rwd LS1/t56 conversion in progress)

    [B][U]77 Celica GT[/U][/B]- 3400/3500 swap in progress (engine from the beretta)
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  • #2
    It's like adding a cam that has very little changes compared to stock profile. Worth it in the end if you have them to install.

    Do it.
    [SIZE="2"][FONT="Arial Black"]Lifting my front wheels, one jack at a time.[/FONT][/SIZE]

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    • #3
      You will notice it. I did on my S-10. You should feel it a little more on a light vehicle.
      1993 EXT. CAB, 3.4L V6 TBI, 5spd manual. Sonoma
      1990 4Door, 3.2L V6 TBI, 5spd manual. 4X4. Trooper
      Because... I am, [COLOR=darkblue]C[/COLOR][COLOR=darkred]A[/COLOR][COLOR=darkblue]N[/COLOR][COLOR=darkred]A[/COLOR][COLOR=darkblue]D[/COLOR][COLOR=darkred]I[/COLOR][COLOR=darkblue]A[/COLOR][COLOR=darkred]N[/COLOR]

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      • #4
        Are they roller or ball/pivot? Ball/pivot from the 94-95 (some 96) 3100 are a direct drop in.
        [URL="http://isaachayes.60degreev6.com/"][SIGPIC][/SIGPIC][/URL][SIZE=1][COLOR="RoyalBlue"][/COLOR][URL="http://isaachayes.60degreev6.com/z26/ss-todo.htm"][IMG]http://isaachayes.60degreev6.com/z26/signature1.jpg[/IMG][/url] [COLOR="#FF4000"]New 2010 project (click image)[/COLOR]
        1994 3100 BERETTA. 200,000+ miles
        [/SIZE] [SIZE=1]16.0 1/4 mile when stock. Now ???[/SIZE] [SIZE=1][U]
        Original L82 Longblock[/U] with LA1, LX9, LX5 parts
        Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

        [/SIZE]

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        • #5
          there the crane cams full roller..

          wait. so i can use stock rockers from a 3100 and get 1.6?
          [SIGPIC][/SIGPIC]
          [u][b]88 Beretta CL[/b][/u]- 13.641@102.76mph (rwd LS1/t56 conversion in progress)

          [B][U]77 Celica GT[/U][/B]- 3400/3500 swap in progress (engine from the beretta)

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          • #6
            Originally posted by Alxsmt View Post
            there the crane cams full roller..

            wait. so i can use stock rockers from a 3100 and get 1.6?

            Yes. Early 3100(1994-96/97?) had stamped steel ball/pivot 1.6:1 rockers.

            Personally, I don't think the rockers would help the old 2.8L much. The intakes and heads are so restrictive that you would only see gains in the low-end. Most stock Fiero 2.8s loose steam at about 4500rpms.

            Its up to you though. Do it if you have nothing else to do and just want to experiment.

            -Joseph
            [img]http://www.v6z24.com/jbodyforum/images/signatures/fallenz24.jpg[/img]
            1987 Fiero SE/Fastback - 3500 Turbo / OBD1 / '92 FWD Getrag 282

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            • #7
              94-95 3100 got the ball/pivot. 96 heads had notches for roller rockers, but not all got roller, some still had ball/pivot. 97 was full roller no matter what IIRC. Brad posted the info once.
              [URL="http://isaachayes.60degreev6.com/"][SIGPIC][/SIGPIC][/URL][SIZE=1][COLOR="RoyalBlue"][/COLOR][URL="http://isaachayes.60degreev6.com/z26/ss-todo.htm"][IMG]http://isaachayes.60degreev6.com/z26/signature1.jpg[/IMG][/url] [COLOR="#FF4000"]New 2010 project (click image)[/COLOR]
              1994 3100 BERETTA. 200,000+ miles
              [/SIZE] [SIZE=1]16.0 1/4 mile when stock. Now ???[/SIZE] [SIZE=1][U]
              Original L82 Longblock[/U] with LA1, LX9, LX5 parts
              Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

              [/SIZE]

              Comment

              • #8
                well if i can get a full set of 1.6s at a jy for 20 bucks instead of using my $400 rockers on an engine i dont plan to keep i think i will do that if i ever decite to pull the valve covers lol..

                guess i gotta take pics..

                thanks for your input guys
                [SIGPIC][/SIGPIC]
                [u][b]88 Beretta CL[/b][/u]- 13.641@102.76mph (rwd LS1/t56 conversion in progress)

                [B][U]77 Celica GT[/U][/B]- 3400/3500 swap in progress (engine from the beretta)

                Comment

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