which rear ends ratio?

Discussion in 'Technical' started by scott, Jan 12, 2003.

  1. scott

    scott Member

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    1970...302 c4 hookers dynamax (for now)
    anybody have any idea which ratio i have in my rear end of my 1970 ? 200cid motor with auto. the tag inside the door is all scuffed up so i cant read it. and of curse it is too darn cold to be sliding around trying to read the tag on the rear. thanks
     
    scott, Jan 12, 2003
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  2. squeal1

    squeal1 Out To Have Fun

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    I don't know if this will help much but I have a 72 and it had a 2.75 from the factory with a 200cid
     
    squeal1, Jan 12, 2003
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  3. bmcdaniel

    bmcdaniel Senile Member

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    My '70 w/ 200 cid and manual trans came w/3.08's. According to my interchange manual if it has the 7 1/4" ring gear (removable rear cover) it could be either a 2.83 or 3.08. If you have an 8" ring gear (not likely, but with a removable center section) it could be a 2.79 or 3.00. You may have to look for a tag on the rear it's self or jack up the rear and count how many times the wheels turn for every rotation of the driveshaft.
     
    bmcdaniel, Jan 12, 2003
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