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Thread: 89 LeBaron GTC

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  1. #1
    Mitsu booster
    Join Date
    Jan 2018
    Location
    Boise, ID
    Posts
    13

    89 LeBaron GTC

    Hello all,

    First time posting on this forum, but I have been doing tons of research using this site as well as the Turbo Dodge Forums as major sources of information. This community is fantastic, there is tons of information and it has a very dedicated member base; it has saved me from a few headaches I would have otherwise had. Now to the project!

    1989 LeBaron GTC 2.5L, Mitsubishi turbo , A413 Transmission.

    So far, I've mostly been focused on replacing the time-worn bits on the car. As it stands, my current completed projects are:

    New Fuel Pump
    New (Stock for now) Injectors
    Added a Vacuum Block and replaced all vacuum lines
    New Head Gasket
    New Int/Exh Manifold Gasket
    New Thermostat and replaced T-Stat Housing with FWD-P Billet Housing
    New Valve Cover Gasket
    New Oil Pan Gasket
    Removed Factory Airbox and Charge Piping (was developing lots of holes/leaks), replaced with my own setup and cone filter.
    Greddy Type FV Blow-Off Valve
    Turbosmart Manual Boost Controller set @ 10psi.
    S.S. Turbo Lines
    A/C Delete, kept stock bracket
    New KYB Shocks and Struts
    New Brake Rotors and Pads
    New Brake Lines
    Polybushings Control Arm Bushings
    Pro Sport 20"/HG - 30psi Boost Gauge

    I am getting close to the point where I'm ready to start with power mods. I still need to get a new radiator, the current factory one is showing it's age and has several small leaks; it's in danger of bursting and will be replaced next week. The pistons and cylinder head appeared to be in good shape when the head gasket got replaced. While there is some carbon build-up on the hot side of the motor (piston tops and cylinder head on chambers 3 and 4) there are no major signs of heat stress.

    I am planning on going for a decent street/strip build, here is my roadmap:

    1) Polybushings Motor and Trans mounts
    2) Uego Gauge and Wideband O2
    3) AFPR and Fuel Rail from TU
    4) Mishimoto G-Line Front Mount Intercooler
    5) 3bar MAP Sensor, +20s, and a 3bar cal (thanks Force Fed Mopar)
    6) Swap to head studs, I have ARP bolts installed atm
    7) Re-ring, new bearings and seals on bottom end
    8) Replace mitsu with a T2 Garrett, stick with 15psi
    9) Ported head and manifolds then up to +40s and retune
    10) Bore. 020 over and install venolias, retune as needed
    11) More boost!

    Any advice or input is welcome and very much appreciated! Pics to come...

    - Luke
    Last edited by CoolHandLuke88; 01-19-2018 at 01:30 AM.

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