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Thread: What rear end gear ratio should I run?

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    Default What rear end gear ratio should I run?

    I am about to start drifting in my corolla but broke my old gears and not sure on the gear ratio of them but I am buying new ones and was wondering what would be a good gear ratio for drifting. AE86 corolla F series diff. Thank you.

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    Out of curiosity, what motor are you running to break f series gears? NA or turbo?
    4agte finally finished. 252rwkw with more to come

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    Quote Originally Posted by Big T View Post
    Out of curiosity, what motor are you running to break f series gears? NA or turbo?

    I have the 4age 16v stock motor plus my motor isn't running 100% it feels like it restricted at low end but when I hit 4k rpm it picks up speed so honestly I think the guy I bought the car off abused the car before me and the gears were worn down already. I wanted to see if the car would do dounghts but it wouldn't have enough power it only let me side out to do a 180 and then I lost power I tired 5 times then the next thing I knew I was hearing gears in the back hitting and as I drove home they broke on me didn't lock anything up just sounded and felt really nasty.

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    I am suspicious that you have broken an f series in there, especially since u have an NA 16v. Are you sure it's not an S or T series?
    4agte finally finished. 252rwkw with more to come

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    borgy fo' sho'

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    Get under neath and take a good clear photo unless you konw for sure its an F series?

    If so you should find a 4.3 ratio they are quite rare. Search toymods for more info on F series ratios and what chassic codes they came from.
    RT142 Estate.

    AJPS.

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    Quote Originally Posted by Big T View Post
    I am suspicious that you have broken an f series in there, especially since u have an NA 16v. Are you sure it's not an S or T series?

    Click image for larger version. 

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    Click image for larger version. 

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    Are these good enough pictures??

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    Measure the crown wheel od. 7.5" will be f series. 6.7 is t series, 6.5 is s series.
    4agte finally finished. 252rwkw with more to come

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    Quote Originally Posted by Big T View Post
    Measure the crown wheel od. 7.5" will be f series. 6.7 is t series, 6.5 is s series.
    okay so I have a 6.7 with is T series thanks man for all the help. Is there any I can get gears for this?? Or upgrade to a 7.5 with I thing upgrade means the whole read end right??

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    Quote Originally Posted by Big T View Post
    Measure the crown wheel od. 7.5" will be f series. 6.7 is t series, 6.5 is s series.

    Can I put an 8" hilux rear end on my corolla from a 86 toyota 4tunner.

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