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  • stick shift dragweekers

    wondering what kind of tranny you ran. I have a tko500 behind my 327 but I am building a 472 that will make about 500hp. will be in my 66 truck with 3.55 gears running 276-60 drag radials.

  • #2
    I run a T-56 3900lbs 700rwhp 3.70 gear 26-28 tire. Gotta have the overdrive.

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    • #3
      A good friend runs a T56 with a 434 SBC has had lots of trouble with it around 625hp.... Its in a 55 chevy 3700 with driver 315x60x15 mt
      Last edited by quick 52; December 26, 2015, 09:31 AM.
      Drag week 2009 Quickest street rod
      Drag week 2010 Quickest street rod

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      • #4
        Originally posted by quick 52 View Post
        A good friend runs a T56 with a 434 SBC has had lots of trouble with it around 625hp.... Its in a 55 chevy 3700 with driver 315x60x15 mt
        Hydraulic clutch? Shifting problems or breaking the trans problems?
        Last edited by Nmbr1GMfan; December 26, 2015, 09:56 PM.

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        • #5
          Originally posted by Nmbr1GMfan View Post
          Hydraulic clutch? Shifting problems or breaking the trans problems?
          Trans second gear broke twice... Car is quick runs 10.90s @124

          Drag week 2009 Quickest street rod
          Drag week 2010 Quickest street rod

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          • #6
            Originally posted by quick 52 View Post
            Trans second gear broke twice... Car is quick runs 10.90s @124
            The pre 2000 t-56 has a glass second gear and is more than likely his problem. upgrade to the viper second gear and cryo the internals then hes good to 600 rwtq.
            Last edited by Nmbr1GMfan; December 27, 2015, 04:35 PM.

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            • #7
              I've beat the crap out of a Tick Stage 2 (I hate typing "stage" anything) T56 (11.20's @122) and no problems yet. The T56 is an awesome trans until you start making stupid Drag Week single digit type power.

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              • #8
                hmmm, liberty's built T56 here, all upgrades humanly possible to the trans. 3500# - 8.8 @ 155.

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                • #9
                  Originally posted by 8SEC6SPD View Post
                  hmmm, liberty's built T56 here, all upgrades humanly possible to the trans. 3500# - 8.8 @ 155.
                  Mine too, Just not that fast. That's flyin'.

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                  • #10
                    Originally posted by 66 lemans View Post
                    wondering what kind of tranny you ran. I have a tko500 behind my 327 but I am building a 472 that will make about 500hp. will be in my 66 truck with 3.55 gears running 276-60 drag radials.
                    I also run a 472 BBf mine is 475 hp. Its in a 52 F1 truck with a 700r4 behind it.. Your build sounds cool once had a 390 64 F100 with a 3 speed stick...

                    Drag week 2009 Quickest street rod
                    Drag week 2010 Quickest street rod

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                    • #11
                      I ran a 302 SBC with a T56 and 5:57 gears. in a 1968 Camaro.

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                      • #12
                        Originally posted by 66 lemans View Post
                        wondering what kind of tranny you ran. I have a tko500 behind my 327 but I am building a 472 that will make about 500hp. will be in my 66 truck with 3.55 gears running 276-60 drag radials.
                        I would not run the TKO 500 in the 472, not enough traini for that engine. At least a TKO 600. I went from a TKO600 to a Viper t-56 with billet syncro's, worked great in a 4300# GTO convertible with a 468 ci and 4.11's on 28" tires. Shifted a lot better than the TKO also. Switched the 5 and 6 gears from .74 and .50 to .86 and .62 otherwise I couldn't get into 6th until 80mph and that was 2000 rpm and still chugged. EFI would handle the low rpm better than a carb.
                        First place SSBBNA 2014 and 2015
                        Second place SSBBNA 2016
                        Third place SSBBNA 2017
                        Quickest ET in DD and Quickest Pontiac 2008, 2016 and 2017
                        All 13 years of Drag Week in a Black 1969 Pontiac with Pontiac Power

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                        • #13
                          I have done 3 dragweeks with my liberty lsc5100....has been trouble free. 10.40 and getting faster ....well till i found the guardrail at cecil county dragway.
                          Reading , Pa
                          Good Guys rodders rep.
                          "putting the seat down is women's work" Archie Bunker.
                          Ban low performance drivers not high performance cars .

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                          • #14
                            Originally posted by ls7gto View Post
                            I have done 3 dragweeks with my liberty lsc5100....has been trouble free. 10.40 and getting faster ....well till i found the guardrail at cecil county dragway.
                            Sorry to hear about that its a very nice car. How did it fair after that happened?

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                            • #15
                              Dougs car broke an axle, pretty unfortunate deal, he has one of the cleanest cars at Dragweek. I painted a line on mine this winter so i can check for twist yearly now.

                              I am running a LSC-5100 also, it is a badass trans, 700 hp in a 3250lb car, its nice not having to worry about a ticking timebomb in the tunnel...
                              -Jeff
                              Street car with a 5 speed, 427ci SBF 9.86 at 136mph
                              http://www.youtube.com/watch?v=2GKQ2xpZraU
                              I survived Drag Week 2013

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