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  • #1

    M6 inspection question

    My new SLP clutch arrived today and I will soon be pulling the car apart to install it.

    My question is ths:

    Is it easy to open up a T56 and inspect it inside? What would be involved? Is there a gasket I would need to replace? Is there a website with instructions? If I saw a damaged part inside would it be unrealistic to try and replace it myself? I'm not opposed to spending an hour in the Harbor Freight tool store if I need to.
    Tags: None
  • #2
    Not apposed or need an excuse?
    2002 Electron Blue Vette, 1SC, FE3/Z51, G92 3.15 gears, 308.9 RWHP 321.7 RWTQ (before any mods), SLP headers, Z06 exhaust, MSD Ignition Wires, AC Delco Iridium Spark Plugs, 160 t-stat, lots of ECM tuning

    1995 Z28, many mods, SOLD

    A proud member of the "F-Body Dirty Dozen"

    Comment

    • #3
      Originally posted by Jeff 95 Z28
      Not apposed or need an excuse?
      Funny, thats the same thing my wife said....

      Comment

      • #4
        If your a beginner, the T56 is not the one to start ripping apart. The best way to check it without opening a can of worms, is to turn the input shaft by hand. Run it through each gear. If you feel any roughness or binding, then look into getting into the unit. Thats a good easy basic check. Manuals are nice in that if they work on the bench, they will work in the car. Ripping into that T56 is not an easy task.
        96 WS6 Formula: Ram Air, 383 Stroker, Ported LT4 Heads and Manifold, 1.6 Crane Rollers, 58MM T.B., AS&M Headers, Borla Exhaust, Meziere Elec. H2O Pump, Canton Deep Sump Oil Pan, 100 HP OF TNT N2O!! , T56 Conversion w/ Pro 5.0 shifter, SPEC Stage 3 Clutch, Hotchkiss Subframe Conn., Lakewood Adj. Panhard Bar, Spohn Adj. LCA's, BMR Adj. T.A., Custom 12 bolt w/ 3:73's, Moser Axles, Eaton Posi, Moser Girdle
        11.6 @ 123mph (1.6 60' - getting there )

        Comment

        • #5
          It is very complicated to tear down, or even to "look inside". Rob/Shoebox has the T56 maintenance manual on his website.

          T56 Service Manual

          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
            I think I'll stick with the bench checkup. Thanks for the advice.

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            • #7
              I have a "spare" T56 left over from the days when my car was an M6. It has a noisy 4th gear. So I picked up a copy of the manual, figuring I could sell the tranny for about twice as much if it wasn't noisy. One look at the manual and the special tools required, and I decided to forget about it.
              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

              Comment

              • #8
                Originally posted by Injuneer
                I have a "spare" T56 left over from the days when my car was an M6. It has a noisy 4th gear. So I picked up a copy of the manual, figuring I could sell the tranny for about twice as much if it wasn't noisy. One look at the manual and the special tools required, and I decided to forget about it.
                Nothing I have ever cracked into myself. Im not that confident either. I have helped my father with a few. He rebuilds them out of his tranny shop for the local f-body guys.
                96 WS6 Formula: Ram Air, 383 Stroker, Ported LT4 Heads and Manifold, 1.6 Crane Rollers, 58MM T.B., AS&M Headers, Borla Exhaust, Meziere Elec. H2O Pump, Canton Deep Sump Oil Pan, 100 HP OF TNT N2O!! , T56 Conversion w/ Pro 5.0 shifter, SPEC Stage 3 Clutch, Hotchkiss Subframe Conn., Lakewood Adj. Panhard Bar, Spohn Adj. LCA's, BMR Adj. T.A., Custom 12 bolt w/ 3:73's, Moser Axles, Eaton Posi, Moser Girdle
                11.6 @ 123mph (1.6 60' - getting there )

                Comment

                • #9
                  I had a chance to briefly hand check the trans, and it seems ok. I spun the input shaft in 1st, 3rd and 6th. Smooth as silk. I'll try the other gears after it is cleaned up a bit more. I can't believe how greasy the bottom of that car was. I think most of the grease was on me when I quit. It will be clean when I'm done! I cant wait to drive it with the new SLP clutch. The factory disk was almost to the rivets, and was beginning to seperate. I bet that is what was causing the noises. It was pretty loud at times. People would look at me and scowl, like I was driving some piece of garbage.

                  Comment

                  • #10
                    Did you get a new flywheel? I try to stay away from resurfacing. If its still flat (no grooves) hit it up with some emery cloth real good. Scuff the heck out of it.
                    96 WS6 Formula: Ram Air, 383 Stroker, Ported LT4 Heads and Manifold, 1.6 Crane Rollers, 58MM T.B., AS&M Headers, Borla Exhaust, Meziere Elec. H2O Pump, Canton Deep Sump Oil Pan, 100 HP OF TNT N2O!! , T56 Conversion w/ Pro 5.0 shifter, SPEC Stage 3 Clutch, Hotchkiss Subframe Conn., Lakewood Adj. Panhard Bar, Spohn Adj. LCA's, BMR Adj. T.A., Custom 12 bolt w/ 3:73's, Moser Axles, Eaton Posi, Moser Girdle
                    11.6 @ 123mph (1.6 60' - getting there )

                    Comment

                    • #11
                      The emery cloth scuffjob is in the plans. That is another task while I wait for the allignment tool to arrive.

                      Comment

                      • #12
                        i dont think you should "tear the car apart" just to change the clutch though.......... the windows are real hard to re-seat in the channels..........
















                        LOL

                        The Goldens: Reno and Rocky

                        2008 C6, M6, LS3, Corsa Extreme C/B, (it flys) & 2008 Yukon loaded (Titanic), 03 Ford Focus..everydaydriver.

                        Wolfdog Rescue Resources, Inc.:http://www.wrr-inc.org
                        Home Page: http://www.renokeo.com
                        sold: 97 Firehawk, 97 Comp T/A, 2005 GTO, 2008 Solstice GXP turbo.

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                        • #13
                          I was told as long as I have the car this far apart I should change the blinker fluid and check the muffler bearings. I cannot find any references to these in my Haynes manual, is there a posting on how to do this? Does anyone have any pictures?

                          LOL

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                          • #14
                            I think the site is called www.imasucker.com

                            LOL
                            96 WS6 Formula: Ram Air, 383 Stroker, Ported LT4 Heads and Manifold, 1.6 Crane Rollers, 58MM T.B., AS&M Headers, Borla Exhaust, Meziere Elec. H2O Pump, Canton Deep Sump Oil Pan, 100 HP OF TNT N2O!! , T56 Conversion w/ Pro 5.0 shifter, SPEC Stage 3 Clutch, Hotchkiss Subframe Conn., Lakewood Adj. Panhard Bar, Spohn Adj. LCA's, BMR Adj. T.A., Custom 12 bolt w/ 3:73's, Moser Axles, Eaton Posi, Moser Girdle
                            11.6 @ 123mph (1.6 60' - getting there )

                            Comment

                            • #15
                              wow! thats funny, thats an actual site! who woulda thought?
                              96 WS6 Formula: Ram Air, 383 Stroker, Ported LT4 Heads and Manifold, 1.6 Crane Rollers, 58MM T.B., AS&M Headers, Borla Exhaust, Meziere Elec. H2O Pump, Canton Deep Sump Oil Pan, 100 HP OF TNT N2O!! , T56 Conversion w/ Pro 5.0 shifter, SPEC Stage 3 Clutch, Hotchkiss Subframe Conn., Lakewood Adj. Panhard Bar, Spohn Adj. LCA's, BMR Adj. T.A., Custom 12 bolt w/ 3:73's, Moser Axles, Eaton Posi, Moser Girdle
                              11.6 @ 123mph (1.6 60' - getting there )

                              Comment

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