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  • Auto -> 6 speed

    I have a A4 in the T/A right now. The trans is completely shot. I was thinking about converting it to a 6 speed but I wasnt to sure if it wouild be worth it or not. The car will be a 11 second car when Im done with it eventually. So I dont know if a 6 speed would be ok with that. Can someone help me out on price and if its worth it, and what kinda trans to get for a 6 speed.
    1996 Trans Am:T-tops,graphite leather,16" chrome T/A rims, Nitto's, Descreened MAF, Morosso CAI, hypertech, flowtech cut out, 1LE elbow, Silver BMR tubular SFC's, 160 thermo, limo tint, harwood ws6 hood, !side molding, Stage 2 trans.

    Looking for a driver side window.

  • #2
    If your building a race car...don't even bother with a 6spd...get the TH400 now and be done with it





    KnightFire
    1993 Formula Firebird
    Check Homepage for mods and photos...

    KnightFire's Lair


    Amsoil Dealer

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    • #3
      How much is that?
      1996 Trans Am:T-tops,graphite leather,16" chrome T/A rims, Nitto's, Descreened MAF, Morosso CAI, hypertech, flowtech cut out, 1LE elbow, Silver BMR tubular SFC's, 160 thermo, limo tint, harwood ws6 hood, !side molding, Stage 2 trans.

      Looking for a driver side window.

      Comment


      • #4
        Originally posted by KnightFire
        If your building a race car...don't even bother with a 6spd...get the TH400 now and be done with it





        KnightFire
        The problem with that is that you lose the streetablility of the car w/o the overdrive. If its just a race car -than by all means, TH400.
        The 6 speed is strong enough, but inconsistant. SO its a matter of wat you use the car for.
        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 )

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        • #5
          Originally posted by N20LT4Bird
          The problem with that is that you lose the streetablility of the car w/o the overdrive. If its just a race car -than by all means, TH400.
          The 6 speed is strong enough, but inconsistant. SO its a matter of wat you use the car for.
          No you don't. Unless your talking about daily driving streetability, then I agree. I know a few people that drive their cars to the track with TH400s in them.

          If overdrive is that much of an issue, then you can get a TH400 with a Gear Vendors Overdrive unit...or just get a 4L80

          I disagree about the 6spds strength...they are no where near as reliable and strong as a TH400 or 4L80 transmission. Not to mention the cost of clutches alone would be enough a reason to swap to a auto trannie.



          KnightFire
          1993 Formula Firebird
          Check Homepage for mods and photos...

          KnightFire's Lair


          Amsoil Dealer

          Comment


          • #6
            I always say.......

            "Stick shifts are for guys who like to race, Automatics are for guys who like to win"

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            • #7
              Don't forget that the 4L60E can be built to withstand well more than 900 horsepower.

              The 4L80E is really intended to be a reliable towing tranny.....it soaks up mucho horspower.

              The T-56 is indeed pretty strong but I would also go with an auto for consistency.

              Combination Motorsports has had a Stage 3 4l60E for an enitre season behind a 1000 horse/1,000 lb/ft, 4,500lb Impala w/o any problems.

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              • #8
                Originally posted by KnightFire
                No you don't. Unless your talking about daily driving streetability, then I agree. I know a few people that drive their cars to the track with TH400s in them.

                If overdrive is that much of an issue, then you can get a TH400 with a Gear Vendors Overdrive unit...or just get a 4L80

                I disagree about the 6spds strength...they are no where near as reliable and strong as a TH400 or 4L80 transmission. Not to mention the cost of clutches alone would be enough a reason to swap to a auto trannie.



                KnightFire
                Obviously you can still drive the car with a TH400. My GTO has a TH400 in it, but its not the hot set up for the highway. It only has a 3.55 ratio in the rear too. Put a 3.73 or a 4.10 back there and holy cow - your doing 4000 rpm at 70 mph. Your right though, the gear vendors/ TH400 set up is the best way to go if you can afford it.

                But as Fast TA said, you can build a pretty stout 4L60E too, but its gonna cost you. I have put a moderate amount of cash into a few automatics and have not been able to make them hold up for more than a year or so.

                I chose the T56 because it is strong enough for some dragstrip abuse (with a good clutch) and it allows me to get 23 mpg on the highway at 80 mph with the A/C blasting. Plus its fun!

                You guys are right about the consistancy - unless your really good (and im not) the T56 is inconsistant at the strip.

                So, it all comes back to what you built the car for. Is it a serious bracket racer or is it a driver that you take to the track for the occasional mustang tromping?
                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
                  Originally posted by Joe 1320
                  I always say.......

                  "Stick shifts are for guys who like to race, Automatics are for guys who like to win"
                  I suppose thats true. Im a friday night test and tune guy. I race for the fun of it. My car could never compete bracket racing with the stick! But wheres the fun with the auto?
                  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 )

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                  • #10
                    hey i cant tell you how much the 6 speed will help but i had a 94 trans am gt and if you want some great hp results put a chip in it and headders and a good cat bad exaust we had ours pushing 450 hp and running mid 11's with the automatic transmission that was basically shot, jus letting you know how to get some good results

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                    • #11
                      Originally posted by N20LT4Bird
                      But wheres the fun with the auto?
                      Depends how quick that auto is.....

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                      • #12
                        I want to build up my T/A and have the 6 spd already. Can i build up my tranny to hold up to about 400-500 rwhp or can it hold this stock?? I do not race my car at the track but want my car to have serious power. One thing i love about my car is the 6 spd tranny and i hate driving auto's. Sorry about hijacking your thread Purepwr.
                        1997 6-spd WS6 Trans Am

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                        • #13
                          wait a minute....
                          i dont want to start an argument over anything, and being new to the board; maybe i dont know much. But when is the last time any of you guys saw a track race where automatics were the dominant winners. I dont know anything about drag racing-i'll admit that, but around the track-the manual has got to be the reigning king.
                          ...just my two cents.

                          94 Z28 M6
                          K&N Intake, 3"Exhaust, and a few extras
                          http://www.cardomain.com/memberpage/606041

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                          • #14
                            Originally posted by jbrunk
                            when is the last time any of you guys saw a track race where automatics were the dominant winners

                            Every weekend



                            KnightFire
                            1993 Formula Firebird
                            Check Homepage for mods and photos...

                            KnightFire's Lair


                            Amsoil Dealer

                            Comment


                            • #15
                              Originally posted by KnightFire
                              Every weekend



                              KnightFire
                              YEP

                              unless its an import, where they almost have to use a stick.
                              my car:
                              '86 Caprice Classic. Soon to have a 350 crate motor. Shooting for 300rwhp.

                              the project:
                              check the www for pics, but a '36 Chevy Master Sedan, MII front end, Jaguar IRS, '93 LT1 powerplant with plans for 350rwhp, and many many other goodies

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