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Thread: 97 to 98 motor

  1. #1
    Junior Member
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    Aug 2015
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    Blue/green
    1998 firebird

    97 to 98 motor

    Hello everyone my 98 v6 auto firebirds engine blew and I need some help with a new one. I found a reasonably priced 3.8 v6 from a 97 v6 firebird manual. My question is, will this engine fit in my car? And is it compatible with my auto trans and is the wiring/ computer the same. Thanks for any help!

  2. #2
    Spaz is My Mentor SMWS6TA's Avatar
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    Feb 2009
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    11,759

    Navy Blue Metallic
    98 T/A w/ mods, 00 FBVert

    97 to 98 motor

    they are the same engine. you'll need to transfer your flex plate.
    http://www.ls1.com/forums/f7/my-6-liter-build-174257/

    http://www.ls1.com/forums/f8/my-8-8-rear-build-165553/

    6.0L Block - Forged 403ci , Polluter Stg3 Cam, FAST 102mm Intake, NW102 TB, MSD wires, NGK TR6 plugs, Truck Coil Packs, LS3 Fuel Injectors, CC Pacesetter LT Headers, TS&P ORY, QTP e-Cutout, Magnaflow Muffler, 104mm Air Lid & Line Lock, Catch Can, Stage 2 T56 w/Viper shaft, PRO 5.0 Shifter, Tick MC, SPEC Stg3+ Clutch, QT SFI BH, MWC DSL, Full UMI Performance Suspension, Belstein Shocks, Hotchkis Springs (1" Drop), YR1 Snowflake Wheels wrapped in NT555 tires & Custom Fab Ford 8.8 rear w/Wavetrac Diff 3.73 Yukon Gears, WSQ Hood, 3"CM Strange Eng Drive Shaft.

    00 FB Vert - Stock

    78 FB - Just getting started......

    Horsepower never lies, but is often lied about!

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