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LOW TRANNY GEARS ROCKY

Tech Talk for Ford, Mazda, Daihatsu & Makes that currently dont have a home.

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Location: CENTRAL COAST

LOW TRANNY GEARS ROCKY

Post by TWISTUP »

HEY, I went fourbyn yesterday and noticed my low range gearing sucks in my 90 rocky f75 sports afield turbo wagon. Did i hear correctly that you can use f20 gears t lower the low range gearing? and or could i adapt a hilux tranny instaed to fit after market gears.

thanks
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Re: LOW TRANNY GEARS ROCKY

Post by Spartacus »

f10 i think diff gears slot in.
MULL
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Re: LOW TRANNY GEARS ROCKY

Post by TWISTUP »

hmmm, sounds easy enough. I wonder if I could adapt a hilux tranny.could get heaps of low low gears for it. i think my bro has one.
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Re: LOW TRANNY GEARS ROCKY

Post by Spartacus »

i think if you pull the transfer case from the gearbox you can see the output
is like a splined cup.

if you can cut the hilux mounting face off and replace with daihatsu bolt
pattern, all i guess you need is a machined spline to go into the daihatsu
"cup"

Ps its been a while - cant remember if its the right gearbox im thinking off
MULL
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Re: LOW TRANNY GEARS ROCKY

Post by dai-hard »

F20 gears wont fit into a f75 transfer. They are smaller and not as strong.
When i blew my transfer i was going to use the parts out of a f20 box i had but they were not even close.
[color=#FF4000][/color]89 rocky V6 2"efs adj/sway&panhard
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Re: LOW TRANNY GEARS ROCKY

Post by parrotveasey81 »

have you put petrol r&p in as that will lower the gearing
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Re: LOW TRANNY GEARS ROCKY

Post by TWISTUP »

i really wanna lower the low range only. thanks anyway.
cheers for the info guys!!!!!
i will keep you posted! .... pun of the year. or not.
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Location: southern highlands, sydney

Re: LOW TRANNY GEARS ROCKY

Post by Brenton »

hey mate did you end up trying to fit the hilux transfer ? any news
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Location: Melbourne-Australia

Re: LOW TRANNY GEARS ROCKY

Post by MightyMouse »

Another smarter option ( IMO anyway ) would be to run a divorced Sierra Tcase

Run a short saft off the output shaft of teh Feroza box to the Sierra TCase.

Absolute heaps of ratios for a Sierra TCase and not stupidly heavy.
( usual disclaimers )

It seemed like a much better idea when I started it than it does now.
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