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LA1 Intake's On An 98 L82?

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  • #1

    LA1 Intake's On An 98 L82?

    I posted this up on W-body, But i wanted to ask you guys because i have been told you really know your stuff. So i am going to be doing the top swap in the next two days or so, And i am going to be buying the gaskets. I got the UIM and LIM off a 98 venture, But i was wanting to know if the gasket set for the venture would work on a L82. Should i just get the LIM and EGR gasket's for a 3100 and the the UIM and TB gasket's for a 3400?

    Thanks.

    Mike.
    1998 Monte Carlo LS, Dark Carmine Red Metallic.
    P&P 3400 UIM, LIM, And TB.
    Custom FWI / Descreened MAF.
    Polyurethane Dogbone Engine Mounts.
    MMS PCM, Dyno Tuned.
    180*T-Stat.
    Custom Shift Kit.
    Taylor ThunderVolt 8.2mm Spark Plug Wires.
    LQ1/LHO Oil Filter.
    GMPP Front And Rear STB's.
    SS Rear Brake Lines.
    Tags: None
  • #2
    You just need the felpro set for the 98 3400. 98004T? 3 0s? I dunno but looking it up im sure you will recognize it.
    Ben
    60DegreeV6.com
    WOT-Tech.com

    Comment

    • #3
      Either will work. I went with 3100 lower kit, and grabbed the $4 3400 upper to do mine, but then again I didn't have roller rockers so thats why I got the 3100 kit. You have roller rockers so I doubt it will make much of a difference.

      TB gaskets are the same, a 3100 gasket will have a big enough opening for a 56mm 3400 TB. You can swap the linkage between 3400/3100 TB's if the van is different BTW.

      98 van should have the threaded coolant fitting on the LIM, and EGR will be the same so this should be a direct swap with no little issues at all.

      Yes get the metal felpro or dorman kit. Dont want leaky plastic gaskets in the future!!!
      sigpic New 2010 project (click image)
      1994 3100 BERETTA. 200,000+ miles
       16.0 1/4 mile when stock. Now ???
      Original L82 Longblock       with LA1, LX9, LX5 parts
      Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

      Comment

      • #4
        I was hopeing it would be ben and isaac that chimed in with some info. I feel a lot better now that i know what gaskets to get. I will be sure to post up pics and maybe a vid after she's done.

        Thanks again guys!!
        1998 Monte Carlo LS, Dark Carmine Red Metallic.
        P&P 3400 UIM, LIM, And TB.
        Custom FWI / Descreened MAF.
        Polyurethane Dogbone Engine Mounts.
        MMS PCM, Dyno Tuned.
        180*T-Stat.
        Custom Shift Kit.
        Taylor ThunderVolt 8.2mm Spark Plug Wires.
        LQ1/LHO Oil Filter.
        GMPP Front And Rear STB's.
        SS Rear Brake Lines.

        Comment

        • #5
          No problem. Just get the metal felpro kit for the 3400 or the metal dorman one and you should be covered.

          You'll like the top end increase.
          sigpic New 2010 project (click image)
          1994 3100 BERETTA. 200,000+ miles
           16.0 1/4 mile when stock. Now ???
          Original L82 Longblock           with LA1, LX9, LX5 parts
          Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

          Comment

          • #6
            I got a few pics from today!!!

            Geting started.



            Fuel rails ready to come out



            The LIM ready to come off.



            Not bad for under 3 hours, And the fact that i have never done intakes on a 60* before.

            Last but not least, A shot of the REALLY small 3100 UIM.



            More pics and vids to come!
            1998 Monte Carlo LS, Dark Carmine Red Metallic.
            P&P 3400 UIM, LIM, And TB.
            Custom FWI / Descreened MAF.
            Polyurethane Dogbone Engine Mounts.
            MMS PCM, Dyno Tuned.
            180*T-Stat.
            Custom Shift Kit.
            Taylor ThunderVolt 8.2mm Spark Plug Wires.
            LQ1/LHO Oil Filter.
            GMPP Front And Rear STB's.
            SS Rear Brake Lines.

            Comment

            • #7
              Heres my lg8 UIM next to my l82. Yeah there a tad bigger.

              95 Beretta- Lg8 Daily Driver
              94 Beretta z26- First ever 5-speed 3500 L body- In the works.

              Comment

              • #8
                The swap is done!! I got some new oil in it and it seems good so far, But i am going to do the oil again just to be safe. I did a WOT run and the top end is sooo much better. After i do the oil again, And clean all the junk out of it i will be sure to get some pics and vids.
                Last edited by mike0589; 09-05-2008, 09:39 PM.
                1998 Monte Carlo LS, Dark Carmine Red Metallic.
                P&P 3400 UIM, LIM, And TB.
                Custom FWI / Descreened MAF.
                Polyurethane Dogbone Engine Mounts.
                MMS PCM, Dyno Tuned.
                180*T-Stat.
                Custom Shift Kit.
                Taylor ThunderVolt 8.2mm Spark Plug Wires.
                LQ1/LHO Oil Filter.
                GMPP Front And Rear STB's.
                SS Rear Brake Lines.

                Comment

                • #9
                  It will get better too once the ECM re-learns the fuel table tweaks to the LTFTs.
                  sigpic New 2010 project (click image)
                  1994 3100 BERETTA. 200,000+ miles
                   16.0 1/4 mile when stock. Now ???
                  Original L82 Longblock                   with LA1, LX9, LX5 parts
                  Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

                  Comment

                  • #10
                    Once you are done playing with the WOT, let me know how the MPG is You did let the silicone set before you drove it right.
                    Ben
                    60DegreeV6.com
                    WOT-Tech.com

                    Comment

                    • #11
                      Originally posted by SappySE107 View Post
                      Once you are done playing with the WOT, let me know how the MPG is You did let the silicone set before you drove it right.
                      I let it sit overnight. Im happy to let you know what my gas mileage is, But it might take a few weeks because i don't drive the car that much.
                      1998 Monte Carlo LS, Dark Carmine Red Metallic.
                      P&P 3400 UIM, LIM, And TB.
                      Custom FWI / Descreened MAF.
                      Polyurethane Dogbone Engine Mounts.
                      MMS PCM, Dyno Tuned.
                      180*T-Stat.
                      Custom Shift Kit.
                      Taylor ThunderVolt 8.2mm Spark Plug Wires.
                      LQ1/LHO Oil Filter.
                      GMPP Front And Rear STB's.
                      SS Rear Brake Lines.

                      Comment

                      • #12
                        Here are some of the new pics.









                        I got done a few days ago. I still need to clean it up, But as far as working on it goes, She's done.
                        1998 Monte Carlo LS, Dark Carmine Red Metallic.
                        P&P 3400 UIM, LIM, And TB.
                        Custom FWI / Descreened MAF.
                        Polyurethane Dogbone Engine Mounts.
                        MMS PCM, Dyno Tuned.
                        180*T-Stat.
                        Custom Shift Kit.
                        Taylor ThunderVolt 8.2mm Spark Plug Wires.
                        LQ1/LHO Oil Filter.
                        GMPP Front And Rear STB's.
                        SS Rear Brake Lines.

                        Comment

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