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  • Direct Drive

    What is direct drive? I'm sure it means: no torque converter / no stall. What are the advantages/disadvantages?
    I think it would free up some HP/TQ.
    My cousin has direct drive on his 2 speed tranny (SBC 383) IMCA modified. Its a beast.
    2k2 camaro, K&N, SLP whisper lid, Konis, AEM, HP Tuners, Angel eyes/Halos, CF SS ram air hood, 4.10s, Zexel Torsen, UMI SFCs, CrossFire, BFGs, Gatorback, Catco, Flows, and TLC! DONT feed the Trolls!

  • #2
    Manuals are direct drive.
    So are autos when the TC locks up.

    Direct drive could also be referring to a 1:1 gear ratio.

    [ March 06, 2006, 05:03 PM: Message edited by: 98Camaro3.8 ]
    Matt
    1998 Mystic Teal Camaro M5
    Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.

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    • #3
      can you tell me more about the torque converter locking up?
      Does it do it for better MPG on the highway?
      2k2 camaro, K&N, SLP whisper lid, Konis, AEM, HP Tuners, Angel eyes/Halos, CF SS ram air hood, 4.10s, Zexel Torsen, UMI SFCs, CrossFire, BFGs, Gatorback, Catco, Flows, and TLC! DONT feed the Trolls!

      Comment


      • #4
        Originally posted by slow6:
        can you tell me more about the torque converter locking up?
        Does it do it for better MPG on the highway?
        yes it does. read this about the lock up
        2000 3.8 A4 Pewter Camaro

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        • #5
          direct drive is when the engine is directly connected to the wheels. that means if you stop, your engine stalls.

          a manual tranny is ONLY direct drive if it is in gear.

          They put real direct drive trannys on sprint cars, which is why when they stop, they need to be push started again(they have torque converters, but they are totally locked up)

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          • #6
            Originally posted by victimizati0n:
            direct drive is when the engine is directly connected to the wheels. that means if you stop, your engine stalls.

            a manual tranny is ONLY direct drive if it is in gear.

            They put real direct drive trannys on sprint cars, which is why when they stop, they need to be push started again(they have torque converters, but they are totally locked up)
            a manual tranny isnt direct drive in gear. its direct drive in its 1:1 gear ingaged ;)
            2000 3.8 A4 Pewter Camaro

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            • #7
              Originally posted by BLLDOGG:
              </font><blockquote>quote:</font><hr />Originally posted by victimizati0n:
              direct drive is when the engine is directly connected to the wheels. that means if you stop, your engine stalls.

              a manual tranny is ONLY direct drive if it is in gear.

              They put real direct drive trannys on sprint cars, which is why when they stop, they need to be push started again(they have torque converters, but they are totally locked up)
              a manual tranny isnt direct drive in gear. its direct drive in its 1:1 gear ingaged ;) </font>[/QUOTE]No matter what gear it's in, it's still a direct drive....it's turned directly by the engine without going through a torque converter. It's coupled directly to the engine.

              Even in 4th gear, the final ratio isn't 1:1.
              Matt
              1998 Mystic Teal Camaro M5
              Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.

              Comment


              • #8
                Originally posted by BLLDOGG:
                </font><blockquote>quote:</font><hr />Originally posted by victimizati0n:
                direct drive is when the engine is directly connected to the wheels. that means if you stop, your engine stalls.

                a manual tranny is ONLY direct drive if it is in gear.

                They put real direct drive trannys on sprint cars, which is why when they stop, they need to be push started again(they have torque converters, but they are totally locked up)
                a manual tranny isnt direct drive in gear. its direct drive in its 1:1 gear ingaged ;) </font>[/QUOTE]no, your thinking of overdrive.

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                • #9
                  Originally posted by victimizati0n:
                  </font><blockquote>quote:</font><hr />Originally posted by BLLDOGG:
                  a manual tranny isnt direct drive in gear. its direct drive in its 1:1 gear ingaged ;)
                  no, your thinking of overdrive. </font>[/QUOTE]No, he's not thinking of overdrive. He's thinking about the other use of the phrase "direct drive" that I mentioned in my first post. In that use, 1 rev goes in and 1 rev goes out....as in a 1:1 gear ratio.
                  Matt
                  1998 Mystic Teal Camaro M5
                  Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.

                  Comment


                  • #10
                    Originally posted by 98Camaro3.8:
                    </font><blockquote>quote:</font><hr />Originally posted by victimizati0n:
                    </font><blockquote>quote:</font><hr />Originally posted by BLLDOGG:
                    a manual tranny isnt direct drive in gear. its direct drive in its 1:1 gear ingaged ;)
                    no, your thinking of overdrive. </font>[/QUOTE]No, he's not thinking of overdrive. He's thinking about the other use of the phrase "direct drive" that I mentioned in my first post. In that use, 1 rev goes in and 1 rev goes out....as in a 1:1 gear ratio. </font>[/QUOTE]direct drive has nothing to do with any ratios.

                    Direct drive is when the engine is directly connected to the wheels.

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                    • #11
                      Originally posted by victimizati0n:
                      direct drive has nothing to do with any ratios.
                      That is wrong.

                      Being totally correct, using both terms correctly, what BLLDOGG originally said is right.

                      Depending on how you use the phrase, you could mean either a manual transmission or a 1:1 gear ratio. To be fully direct drive, it would be a manual with a 1:1 ratio, like he said.
                      Matt
                      1998 Mystic Teal Camaro M5
                      Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.

                      Comment

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