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better final drive for '94 civic EX?

Discussion in 'General Tech and Maintenance' started by stmotorsports, May 11, 2004.

  1. stmotorsports

    stmotorsports Senior Member

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    hey does anybody know of a final drive ratio that will work in a stock 5th gen ex/si d-trans that's lower than stock (4.25)?
    i'm looking for something cheap like used or trans swap or something... can't be spending a couple hundred $$ for brand new gears- i'll just hold off for the motor swap instead if it's gonna cost me a couple hundred $$ just to do gears...

    thx :)
     
  2. beerbongskickass

    beerbongskickass Senior Member

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    www.exospeed.com

    4.7 Final Drive $477

    4.9 Final Drive $530

    I think that's about as cheap as your going to find. I am pretty sure there isn't a final drive you can swap in from another tranny. If there is a cheaper alternative I would like to know because I want one.
     
  3. stmotorsports

    stmotorsports Senior Member

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    according to the trans tech spec section on this site, the '87 crx si had an fdr of 4.4 (unless its a typo or something...?)...
    -not a big jump from my stock 4.25, but if i could find one cheap in a boneyard or something, then i figure why not?
    all i have to do now is figure out if the two will interchange...
     
  4. 88bluehf

    88bluehf Senior Member

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    i dont know this matter of factly but ive heard rumours that the 4g 4 door lx civics have a final drive of like 4.9
     
  5. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    Nope. 4.058 for the 4G 4 doors.
     
  6. stmotorsports

    stmotorsports Senior Member

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    so does anybody have any idea if trans parts will interchange between 5th gen and 3rd gen civic/crx?
    any info i've found on d-series trannies specifies that the only stock ratio lower than my stock '94 EX 4.25 is the '86-'87 crx at 4.4. Anybody know if the parts (ie-countershafts/final drive/driven gears/etc...) from the crx will swap into my '94 EX/Si trans?
    Thx for any help
     
  7. stmotorsports

    stmotorsports Senior Member

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