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Thread: Should I Go 3.90 Or 3.73?

  1. 10-28-2008 11:40 PM #11
    CHEVROLADE
    CHEVROLADE is offline Senior Member
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    Update:detroit Tru Trac With 4.10 Going In THANKS GUYS FOR DA INFO.
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  2. 11-01-2008 12:51 PM #12
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    txarkitekt
    txarkitekt is offline Resident Smart Ass™
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    I would do 3.90s over 4.10s or higher...only because with your tranny, you will be shifting into 4th gear before the end of the traps, hence loosing a few tenths that it takes for the tranny to shift. 3.90s should put you at the upper end of the RPM range as you pass the traps in 3rd gear...

    But still--you'll love the 4.10s and TrueTrack!

    2000 ECSB 6.0L
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  3. 11-02-2008 12:06 AM #13
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    Bad84chevy
    Bad84chevy is offline Member
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    just go wit 390s chevromec lol
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