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  • 3400 tb swap

    I'd like to start with a tb swap, 3400 tb onto my 3100. Will this require a re-tune?

    1997 Lumina 3.1

  • #2
    Nope, slap it on and go. Tuning would help even a stock car but you certainly won't require a re-tune for the 56mm throttle body.
    Ben
    60DegreeV6.com
    WOT-Tech.com

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    • #3
      this is very true. going from 52 to 56 won't change AE characteristics that much.
      1995 Monte Carlo LS 3100, 4T60E...for now, future plans include driving it until the wheels fall off!
      Latest nAst1 files here!
      Need a wiring diagram for any GM car or truck from 82-06(and 07-08 cars)? PM me!

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      • #4
        Thanks, so if it doesn't change things too much, is it worth doing? Will I notice a difference at all?

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        • #5
          You can tune and get better performance from it. You asked if tuning was required, and it is no where close to required. You will see a noticeable gain. Every 3100 owner should do this swap.
          Ben
          60DegreeV6.com
          WOT-Tech.com

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          • #6
            Thanks, at some point I'll do the top swap, but one thing at a time.....

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