Got the fix for the 8"

Discussion in 'Drag Racing' started by pro stock, Jul 9, 2016.

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  1. pro stock

    pro stock Member

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    image.jpeg image.jpeg image.jpeg
     
    pro stock, Jul 9, 2016
    #1
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  2. mcknight77

    mcknight77 Member

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    The good stuff!
     
    mcknight77, Jul 10, 2016
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  3. pro stock

    pro stock Member

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    pro stock, Jul 11, 2016
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  4. pro stock

    pro stock Member

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    Got rear end all together and in the car old 8" had a 3.50 gear with the new 9" it's got 4.11 have to go to the track this week and try it out
     
    pro stock, Jul 11, 2016
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  5. Maxx Levell

    Maxx Levell Member

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    Looking Good! That'll be one less thing to worry about. Is your driveshaft going to be ok to use? Same U-joints and all?
     
    Maxx Levell, Jul 11, 2016
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  6. pro stock

    pro stock Member

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    Yea I used a ford motor sports aluminum one for the fox body mustang (m-4602-g) just take the flange off the back and change the u joint to a 1350
     
    pro stock, Jul 11, 2016
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  7. pro stock

    pro stock Member

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    pro stock, Jul 11, 2016
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  8. Maxx Levell

    Maxx Levell Member

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    Sweet...looks like you've got your bases covered. Keep us updated on new times with the lower gear...very curious myself.
     
    Maxx Levell, Jul 11, 2016
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  9. mgabski

    mgabski Member

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    Fox shaft is correct length? Good to know.
     
    mgabski, Jul 13, 2016
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  10. groberts101

    groberts101 Member

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    Nice! Top of 3rd gear.. here you come!

    I'd be amazed if you don't drop a full half second or better off your times.
     
    groberts101, Jul 14, 2016
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  11. maverick306

    maverick306 Member

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    I am running a 9 inch with 3.89 . I was told that 9 inch was harder to turn than 8 inch. I was thinking of going to use a 8 inch with 411 gears .I have friend is going to a 8.8 because it turn easier. He is building a stocker I have a 349 c4 3000 tci best et 11.94 115 mpr 1/4
     
    maverick306, Jul 30, 2016
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  12. dan gregory

    dan gregory Member

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    I guess most after market c4s have the 28 spline shaft?
     
    dan gregory, Jul 30, 2016
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  13. maverick306

    maverick306 Member

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    I think you can get one from PA it comes to order 31 that's the high-dollar transmission now
     
    maverick306, Jul 30, 2016
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  14. maverick306

    maverick306 Member

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    I think they put the C6 shaft in it
     
    maverick306, Jul 30, 2016
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  15. groberts101

    groberts101 Member

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    The spline count is not the greatest issue.. material type is. Now plenty of premium steel shafts being made for the C4.
     
    groberts101, Jul 30, 2016
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