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  • #1

    Tips and tricks requested

    So this weekend I'm going to undertake the monumental task of replacing the water pump in my 97 LT1. While I'm down there I'm going to go ahead and hit the optispark as well. I have a Chilton book and a Haynes as well but does anyone have any tips/tricks/pitfalls they can add?

    Any advice would be greatly appreciated.

    Scott
    My DD
    2015 Lexus GS350 FSport

    My toy
    Tags: None
  • #2
    Replace the seals in the front timing cover while you are in the neighborhood.
    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

    • #3
      Originally posted by TraceZ
      Replace the seals in the front timing cover while you are in the neighborhood.
      Which seals woud those be?
      My DD
      2015 Lexus GS350 FSport

      My toy

      Comment

      • #4
        Originally posted by sneitzel
        Which seals woud those be?
        There are 3... one for the crank hub, one for the water pump and another for the opti.
        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

        • #5
          When placing the Opti over the cam dowel pin, be sure you put the pin in the correct hole on the back of the Opti. You wouldn't believe how many people manage to install it with the pin in the wrong hole. Normal response is "how could it be wrong, it only fits one way?". Actually, its very easy to put it together incorrectly.

          As usual, Shoebox's Tech Pages have a lot of helpful information:

          http://shbox.com/1/4th_gen_tech1.html

          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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          • #6
            After everything my husband and I have been through (opti #2), I would go ahead and do your plug wires, too. Since everything was open down there, it was nice and clean to route the new ones. Just a suggestion! Oh, check the connector that plugs in at the top of the opti for wear. That was a problem for me after opti #2 was installed and my car didn't start. Thanks to the wonderful fellas on here for suggesting I check this!
            1996 White T/A, LT-1 auto with only aftermarket Flowmasters, shift kit, and a LG Motorsports G2 cold air kit.....that's it! She can't eat all the 'Stangs but will die trying.

            Currently on the clock: 120K

            Comment

            • #7
              Be careful when reinstalling the timing cover. The water pump driveshaft seal has a tendency to flip itself inside out if it isn't slid carefully over the water pump driveshaft.
              '95 Trans Am - A4, LE2 heads, LE1 cam, 1.6 ProMags, Comp R's, AS&M CAI, AS&M 54mm, MAC midlengths, Random Tech. cat, Borla cat back, PCMforless, Vigilante 2800, 3.73's, BMR LCAs/panhard/shock tower brace

              Comment

              • #8
                Originally posted by Jeff95TA
                Be careful when reinstalling the timing cover. The water pump driveshaft seal has a tendency to flip itself inside out if it isn't slid carefully over the water pump driveshaft.
                Correct me if I'm wrong, but I believe the problem is with seal tearing, not flipping itself inside out. Whatever the case, it's definetly a problem you want to avoid unless you want to do it all over again. I recommend that you remove the radiator fan assembly. Just two electrical connectors and the assembly un-hooks from the radiator. This will give you all the clearance you need to get the job done. Good Luck!
                1996 Arctic White Z28, A4, K&N CAI, TByrne MAF ends, BBK Twin-52mm TB, TB Bypass, SLP 1 3/4" Shorties, Richmond 3.42's, Dynomax Bullet Muffler W/Turn Down, BMR Adj. Panhard, EIBACH Pro-Kit, AFS ZR1 Wheels W/17x11" out back!

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