Powerglide to replace my Torqueflite

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  1. Mike Gaines

    Mike Gaines Well-Known Member

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    Some fellow racers are telling me the problem I have getting my car launched is because the first gear ratio in the torqueflite is really low to try and launch a 1000HP car off the line..
    One of my buddies run a 62 Savoy with a 572 1000hp wedge that run 9.00's. He runs a Powerglide which has a 1.80 first gear ratio and allows him to get the car off the line easier.
    Thoughts about this please......
     
  2. theman440

    theman440 Well-Known Member

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    I wouldn't do it but I'm hard core. I'd find a way to make the 727 work if it killed me.
     
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    • 6PKRTSE

      6PKRTSE Well-Known Member

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      A&A 2nd gear launch transbrake billet valve body for torqueflite.
       
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      • bearman

        bearman FBBO Gold Member FBBO Gold Member

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        Mike, one of the guys on here doing the powerglide. @440 Ronnie 67. He is doing a build in members project. Maybe he can help.
         
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        • 493 Mike

          493 Mike FBBO Gold Member FBBO Gold Member

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          Guys have been doing this for years. It usually cuts the ET but, they need to be extensively beefed up (as you undoubtedly know-not cheap to do). I hear you about straying from Mopar equipment but, if you're looking for more speed sometimes you have to plug your nose and go for it!
          Mike
           
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          • David Stillie

            David Stillie Well-Known Member

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            I did the swap for the same reason. Worked great for me.
             
          • vance.dykes

            vance.dykes Well-Known Member

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            \

            yes call A& A TRANS they have different gear sets i have used them and there great
             
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            • sam65

              sam65 Well-Known Member

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              Not mention the powerglide is lighter,takes less horsepower to operate and if you buy certain aftermarket case and bell housing no external shields required. There are also several first gear ratios available for P/G.
               
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              • sam65

                sam65 Well-Known Member

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                I just put a Glide in my belvedere but the covid virus has our tracks shut down so I can't say if it pick up or slowed down.
                 
              • Endangered Species

                Endangered Species Well-Known Member

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                You don't need a Glide. Guys are running in the 8's with Torqueflite's
                 
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                • bearman

                  bearman FBBO Gold Member FBBO Gold Member

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                  Please tell more very interested on how to build the 727. Thank you ahead of time.
                   
                • Endangered Species

                  Endangered Species Well-Known Member

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                  Call Rick Allison at A&A Transmission.
                   
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                  • dvw

                    dvw Well-Known Member

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                    Mine has always run on 10.5x31. Standard 2.45 727, 4.30 gear. 310lbs nose heavy. No 4 link either. Is it always perfect? Nope. But it gets bracket raced on local poor prep against plenty of PG cars. Plenty of them dealing with tire spin as well. At this weight a PG will slow it down. Seen it many times. Over the last 2 years only a handful of runs where it really "blew the tires off". The trick is not to run the shocks on kill. Soften it up a little. Most times running index it'll be around 1.30.The difference in ET isn't much. A 1.25 vs 1.30 nets .05, no more.
                    Doug
                     
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                    • Mike Gaines

                      Mike Gaines Well-Known Member

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                      Thanks
                       
                    • 383man

                      383man Well-Known Member

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                      My buddy went to a glide in his 10.0 Cuda because he runs it in the 10.90 Super Street sometimes. And he wanted a softer launch for more consisdent launch. Its real important in that racing to have a solid consisdent 60 ft so he can dail the car better. He said he was hitting the tire to hard with the 727 and could not keep his 60 solid. Seems funny to an old hotrodder that anyone would want to soften the launch on his race car but it makes sense in that style of racing I guess. Ron
                       
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                      • NSS Guy

                        NSS Guy Well-Known Member

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                        Mike does the car currently have a "pro trans" from Smith's in it? If so have you talked to them on what they suggest?
                         
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                        • David Stillie

                          David Stillie Well-Known Member

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                          Don't forget, when seriously bracket racing your opponent probably is running a glide. The higher gear ratio really helps soften the launch, which can lead to more consistant runs. Also convertor selection is more important.
                           
                        • dvw

                          dvw Well-Known Member

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                          A lot of bracket guys just want to race, not tune. That's why there is a ton of 9-11 second stuff with a glide, trans brake, and 14x32 slicks. A lot of racers will tell you that's what it takes to win. Puts a smile on my face to beat them foot braking on 10.5s dialed low 9's.
                          Doug
                           
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                          • Mike Gaines

                            Mike Gaines Well-Known Member

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                            It does have a Torqueflite built by Dave at ProTrans. All rollerized, Aluminum Billet Drum. hardened output shaft, good sprag, etc, etc, etc. but....I have no interest in changing the 1st gear ratio. I just need to make adjusments in the chassis to get the launch perfected using the transbrake. Thanks
                             
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                            • Mike Gaines

                              Mike Gaines Well-Known Member

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                              A continued thanks for your input. I WILL get this chassis figured out with more knowledge and more runs. ( like I posted earlier, I only have a total of 12 runs on this all new setup) I know I can get consistent 9.00s out of this sled.
                              Right now, just footbraking and NOT doing any chassis mods the car will run 9.25 everyrun, very consistently.
                              One of the classes that I run uses the .400 Pro Tree so I must have the transbrake launch perfected for that ProTree launch.
                              Thanks Again

                              1a.jpg
                               
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