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rear drum questions

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looking for dimensions for rear drum brakes... having a hard time finding them

 

need inner diameter for ea82 stuff and inner diameter for ej18/ej22 rear drums.

can you stop in a store and measure them? used ones might be a slightly different measurement, have been turned before? i think i have some EJ drums lying in my garage somewhere, but i don't have anything accurate to measure them with.

  • Author

I guess what I want to know can be determined with measuring shoes.

 

drums are special order. the ea ones at least... I really don't want to pull mine yet, either.

 

 

if any one just knows what size they are "called" like are they "10 inch disks"

 

 

found something EA drums are 7 and 3/32 inch... I assume this is overall diameter

 

Gary, a "close" measurement is fine...

  • Author

CENTRIC PREMIUM BRAKE DRUM, SOLD INDIVIDUALLY -- 5 x 100 mm bolt hole pattern; 277.5 mm outer diameter; 230.60 mm maximum diameter; 12.90 mm bolt size; 69.60 mm height; impreza

 

CENTRIC PREMIUM BRAKE DRUM, SOLD INDIVIDUALLY -- 4 x 139.70 mm bolt hole pattern; 230 mm outer diameter; 182 mm maximum diameter; 12 mm x 1.25 bolt size; 83.82 mm.... XT

 

 

no where close... I figured.

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