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Broken OPSU

This is a discussion on Broken OPSU within the General Help forums, part of the LSx Technical Help Section category; I'm just curious as to what breaks these when pulling the intake manifold. I pulled my intake yesterday and found ...

  1. #1
    Member 79Firebird_99TA's Avatar
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    Black
    99 Trans Am

    Broken OPSU

    I'm just curious as to what breaks these when pulling the intake manifold. I pulled my intake yesterday and found it broken. I just don't want to repeat it when I put it back together today.

    I can see where tilting it too far back can do it as well as possibly the break booster vacuum hose.

    Thanks in advance.

  2. #2
    Spaz is My Mentor SMWS6TA's Avatar
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    Navy Blue Metallic
    98 T/A w/ mods, 00 FBVert

    Broken OPSU

    the many heat cycles makes the plastic brittle.
    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

    Horsepower never lies, but is often lied about!

  3. #3
    Member 79Firebird_99TA's Avatar
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    Black
    99 Trans Am

    No doubt about that (I'm at 359,000 miles and it was the first time I've yanked the intake. I was just careful putting things back together.
    `99 Trans Am: Vigilante 2600, Stroked ?(383), Cammed, TSP Catback and Headers,Strano/Koni STR.T, Strano 35/22 Sway Bars, Elite E2 Catch can, 380,000 miles
    `79 Firebird: Pontiac 400 4-speed, Borg Warner Super T-10, XE-268 Cam, Hedman headers, Edelbrock RPM intake, dual exhaust & Flowmasters
    `08 Corvette Base M6 LS3, Morimoto Headlights and Taillights, SLP Blackwing CAI.

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