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Best LS for turbo

This is a discussion on Best LS for turbo within the Firebird / WS6 forums, part of the Vehicle Specific category; I'm thinking about pulling my motor and trans from my 2000 WS6 and building a turbo engine. I have no ...

  1. #1
    Junior Member
    Join Date
    Dec 2019

    Best LS for turbo

    I'm thinking about pulling my motor and trans from my 2000 WS6 and building a turbo engine. I have no idea what block to go with and internals. Kinda new at this and wanna keep stock engine and trans stock. I keep seeing the 5.3. Are there any other LS motors that will work? Id like a solid motor that will make the most reliable HP without exploding. I am leaning toward a single big turbo but considering a twin setup. I want to build the motor myself, minus some machine work. Cant afford a built crate motor so I'm gonna piece one together for a project


  2. #2
    Spaz is My Mentor SMWS6TA's Avatar
    Join Date
    Feb 2009
    Ugy Lower Corner of AL

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

    Iron block 5.3's and 6.0's are your best bang for buck. They hold more boost and can be bored out more over aluminum, Weight penalty isn't really that much.

    Many junk yard builds have 5.3's putting down 700 hp on stock bottom ends. Not saying they last infinity but they seem to be able to handle it fairly well.

    Do your research, it's more then just slapping a turbo on.

    Heads, cam, oil feed/drain, intercooler (type), injectors, placement, exhaust output etc.....and that's not including the tuning.

    There are a few compaines that sell completed kits for f bodies with quite a few options on turbo's.

    6.0L Block - Forged 403 built, breaking it in , 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, UMI: Sway Bar, SFC, PHB, LCA's, LCA Relocation Brackets & TA, Belstein Shocks, Hotchkis Springs (1" Drop), YR1 Snowflake Wheels wrapped in NT555 tires & Custom Fab Ford 8.8 rear w/4.10 Yukon Gears, WSQ Hood, 3"CM Strange Eng Drive Shaft.

    00 FB Vert - Stock

    Horsepower never lies, but is often lied about!

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