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  • #1

    Engine block question?

    I removed all the freeze plugs and oil plugs from this LT1 block to get it ready to be tanked. Should I also remove the press-in cap at the back of the block in the cam bore? It's the one that sits directly behind the end of the cam. It's the only thing left in the block that looks removable.

    It will need to come out to install new cam bearings, right?
    Tracy
    2002 C5 M6 Convertible
    1994 Z28 M6 Convertible
    Current Mods:
    SLP Ultra-Z functional ramair, SS Spoiler, STB, SFCs, Headers, Clutch, Bilstein Shocks, and TB Airfoil. 17x9 SS rims with Goodyear tires, 160F T-Stat, MSD Blaster Coil, Taylor wires, Hurst billet shifter, Borla catback with QTP e-cutout, Tuned PCM, 1LE Swaybars, 1LE driveshaft, ES bushings, White gauges, C5 front brakes, !CAGS, Bose/Soundstream audio, CST leather interior, synthetic fluids
    Tags: None
  • #2
    def. take it out before cleaning, and no it dont need to be out to change cam bearings . , its done from the front ! hope that helps!

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    • #3
      If you don't already have it, get the "How To Rebuild LT1/LT4 Engines" book. It has two pages of photos showing the removal of the freeze plugs, misc. screw in plugs, cam bearings and rear block plug.

      How To Rebuild.... LT1/LT4 Engines
      Fred

      381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motor

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      • #4
        Originally posted by Injuneer
        If you don't already have it, get the "How To Rebuild LT1/LT4 Engines" book. It has two pages of photos showing the removal of the freeze plugs, misc. screw in plugs, cam bearings and rear block plug.

        How To Rebuild.... LT1/LT4 Engines
        I ordered it on Amazon last week. You are right on!
        Tracy
        2002 C5 M6 Convertible
        1994 Z28 M6 Convertible
        Current Mods:
        SLP Ultra-Z functional ramair, SS Spoiler, STB, SFCs, Headers, Clutch, Bilstein Shocks, and TB Airfoil. 17x9 SS rims with Goodyear tires, 160F T-Stat, MSD Blaster Coil, Taylor wires, Hurst billet shifter, Borla catback with QTP e-cutout, Tuned PCM, 1LE Swaybars, 1LE driveshaft, ES bushings, White gauges, C5 front brakes, !CAGS, Bose/Soundstream audio, CST leather interior, synthetic fluids

        Comment

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