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Gearbox info Help?


MrBrumbyboy
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Hi theres, I did I site search with no help coming up, so I thought id try here:

 

I own a 91 brumby which has the ea81 and 4 speed in it, diff ratio is 3.7, I am wanting to swap that engine and box out and fit a rebuilt ea81 and a 5 speed

 

my friend has a spare ea81 and 5 speed box he said came out an early 80's model brumby (all the info he had)

my question is does anyone know what box this is attached to his engine as I cant find any info and want to match the ratios

(on side of gearbox is stamped : FM-4 and written on a foil sticker : 805067

 

any help what car the box is out of or what ratios it has would be very helpful thanks

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I didn't know they made a 5 speed 4wd box to fit the EA81.....does the 5 speed box have the long taper down to the rear output like the 4 speed that you already have?......years ago i got a gearbox that i was told was a 5 speed to fit a EA81 to fit in my brumby, i was a little suspious as it looked exactly the same as the box that was original to my ute.....fitted it and  nope, it was a 4 speed and had the 3.9 diff to add insult to injury.

 

5spd hi/lo boxes out of EA82 cars are alot shorter than the 4spd hi/lo fitted to the brumby

 

i know they made 5spd 2wd boxes to fit an EA81....easy to identify cos they are missing the rear output

Edited by LPGsuperchargedBrumby
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