Rear Gear....

Discussion in 'SRT Hellcat General Discussions' started by Weldermike27408, Jun 25, 2015.

  1. Weldermike27408

    Weldermike27408 Rookie

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    When I go to build and price on the Dodge website the summary says the Hellcat 6 speed has a 2.62 rear axle..Under the list of standard equipment it says Tremec 6 speed,230mm rear axle 3.70 rear axle...
    Does the 6-speed hellcat come with a 3.70 gear??

    Thanks
    Mike
     
  2. B5 Blue

    B5 Blue Platinum Member

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    yup
     
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  3. WNY Cat

    WNY Cat SRT Hellcat Supporter Gold Supporting Member

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    I read that the A8 has a 2.62 rear end.
     
  4. B5 Blue

    B5 Blue Platinum Member

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    yup
     
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  5. Weldermike27408

    Weldermike27408 Rookie

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    thank you guys....dodge finally emailed me back too...3.70 for the six speed
     
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  6. Dragons90

    Dragons90 Silver Member

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    Standard rear gear is 3.07 with the 6M. I think when you change that to 8M the gear ratio will change also. Build sheet is what we need to go off. I could be wrong
     
  7. cfuels25

    cfuels25 Gold Member

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    3.70 rear gear for the M6 2.62 rear gear for the A8
     
  8. bam bam

    bam bam Silver Member

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    has anybody tried the 3.70 gear in the auto 8 speed
     
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  9. WNY Cat

    WNY Cat SRT Hellcat Supporter Gold Supporting Member

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    I never heard of a 3.70 gear. Do a search on this forum for "3.09".
     
  10. TallCool1

    TallCool1 Gold Member Hellcat Car Club Gold Supporting Member Nat'l Hellcat Tech Advisor HCC Charter Member

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    Not that I'm aware of imo too short.

    He's asking if anyone tried the manual rear diff. in an A8.
     
    Last edited: Nov 22, 2015
  11. WNY Cat

    WNY Cat SRT Hellcat Supporter Gold Supporting Member

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    I agree. I thought he is asking about installing the M6 gear (3.09) in an A8 car which comes with 2.62's. If he does a search on 3.09, he will find the people that have already done the swap.
     
  12. WNY Cat

    WNY Cat SRT Hellcat Supporter Gold Supporting Member

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    After further review, I see threads discussing 3.09 gears and 3.70 gears so now i'm confused.:confused:
     
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  13. Fast cat

    Fast cat BANNED Hellcat Car Club

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    The 3.70 are come stock in the M6 . 2.62 are come stock in the A8 .
    I have put the 3.09 in my A8 . It makes it fill like you have 100 hp and tq
     
  14. TallCool1

    TallCool1 Gold Member Hellcat Car Club Gold Supporting Member Nat'l Hellcat Tech Advisor HCC Charter Member

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    The 3.09 is from the 6.4L cars not offered in Hellcat A8 or M6.
     
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  15. bam bam

    bam bam Silver Member

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    i was just wondering if anybody has tried the m6 3.70 rear end in the hellcat with the auto A8 transmission ?
    Bam
     

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