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Reduction Gearing

General Tech Talk

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Reduction Gearing

Post by lowndsie »

I went for a fourby with my father in law the other day and it was obvious that his 80 series had much better low gearing than my Feroza (obviously). On all the hills he didnt even need to use the brakes.

My thoughts were that the gears in the transfer case were responsible for this but i am unsure if this is correct and how it actually works?
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Post by HeathGQ »

generally yes, it is also the diff gear ratios.

There is nothing available aftermarket for em. (I asked about a higher 5th gear once) Therefore it is custom all teh way $$$$$$
Heath & Melissa - 93 GQ LWB.
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Post by searsy989 »

So how do you go about getting different diff gear ratios anyway if there's no aftermarket stuff for them?
The machine is now alive...
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Post by -Mick- »

searsy989 wrote:So how do you go about getting different diff gear ratios anyway if there's no aftermarket stuff for them?


Diff gears aren't the problem with 80's there's options for that like some 4o series stuff etc fits.

It's transfer gearing that doesn't exist :)
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Post by muppet_man67 »

youve also got a little engine that will run away under the weight of the feroza more then a landcruizer. down real steep suff in the suzi regularly runs past 4000rpm if I let it.
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Post by Shorty40 »

-Mick- wrote:
searsy989 wrote:So how do you go about getting different diff gear ratios anyway if there's no aftermarket stuff for them?


Diff gears aren't the problem with 80's there's options for that like some 4o series stuff etc fits.

It's transfer gearing that doesn't exist :)


You can get the Cruiser Crawler from Marks - 205% reduction :cool:

But it is around $3000 :shock:
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Post by -Mick- »

Shorty40 wrote:
-Mick- wrote:
searsy989 wrote:So how do you go about getting different diff gear ratios anyway if there's no aftermarket stuff for them?


Diff gears aren't the problem with 80's there's options for that like some 4o series stuff etc fits.

It's transfer gearing that doesn't exist :)


You can get the Cruiser Crawler from Marks - 205% reduction :cool:

But it is around $3000 :shock:


Yeah for that price it doesn't exist :lol:
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Location: Scarborough, Qld

Post by bigbluemav »

Getting back to Lowndsie.....

Your F.I.L.'s 80, was it diesel? More compression makes crawling down hills alot easier. Yours being a petrol will put you behind the 8 ball a touch when going downhill.


Regards
Big Dave, Scarborough, Qld
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?

Post by lowndsie »

Yeah it was a turbo diesel....

thats a good point too. wonder what the difference would be between the petrol 80 and a diesel 80?
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