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SAS comversion

Posted: Mon Mar 02, 2009 8:51 pm
by mitchellf30
G'day guys i have just bought a 1996 Feroza SX II and i was looking to do a SAS conversion.
But im not to sure on what diffs to use or how hard it would be ect...

So if you guys could please help me out it would be great.


CHEERS. :)

Posted: Tue Mar 03, 2009 6:25 am
by Newtothefourbeworld
i feel an MM coming on!

Re: SAS comversion

Posted: Tue Mar 03, 2009 7:24 am
by RockyF75
mitchellf30 wrote:G'day guys i have just bought a 1996 Feroza SX II
There's your 1st mistake....
mitchellf30 wrote: and i was looking to do a SAS conversion.
There's your second....
mitchellf30 wrote: But im not to sure on what diffs to use or how hard it would be ect...
Short answer = Unimog diffs, and bloody hard, nigh on impossible.

or

Patrol diffs, and just bloody hard.

Either way, you'll prolly end up spending the purchase price of the car again on the conversion alone, and then some.
mitchellf30 wrote: So if you guys could please help me out it would be great.
CHEERS. :)
No worries, happy to be the bringer of bad news :D

But one of the few (I think 2?) people on here (and possibly Australia) who have actually done it will surely shoot your hopes down some more soon. And then build them up again with talk of how capable the Feroza is offroad even with the IFS (they are lying and just trying to make you feel better though)


kthnxbye :D

Posted: Tue Mar 03, 2009 11:54 am
by MightyMouse
Newtothefourbeworld wrote:i feel an MM coming on!
Ill assume that's me..... :cool:

The most significant engineering issue with a SAS is the geometry of the Feroza's chassis rails - they are relatively flat in the area where the axle tubes should fit. ( due to the torsion bar setup currently fitted )

This means that to get any real compression travel you need very curved springs which gives you a LOT of lift -to the point of making the thing #@$% unstable. Lack of compression travel will cause the thing to behave quite badly on the road.... droop however is far more important off road. ( all in relative terms ).

There are lots of other issues ( let alone the cost ...... and legality.... ) but it effectively means a rear axle swap as well to maintain stud pattern / ratios etc etc.

Thee are up sides however, if you use common axles thn lockers are possible - but you've still got the lousy Feroza transfer ratio, weak gearbox and SFA power output from the motor.

By all means go for it - but I'd suggest it needs to be part of a BIG PLAN, suspension then drivetrain then engine. Unless your very commited to Feroza's ( and there wont be much Feroza left when your finished ) IMO you need to ask is the reward going to be worth the effort.

Posted: Tue Mar 03, 2009 9:14 pm
by mid9-5's
dont think u could have put that any better!

Posted: Wed Mar 04, 2009 1:53 pm
by MightyMouse
:lol: So now I've said why its not sensible to do..... i'll get started.....

But the facts are as stated........ its far from a easy task, need to be part of a plan to really get worthwhile benifits and still very unknown.

Posted: Wed Mar 04, 2009 6:26 pm
by *BESTY*
If you really, really.....I mean really have too much cash and time and can convince an Engineer to OK the conversion..................then.......





By all means continue with your project.
When I did mine.....all those years ago..........I basically swapped the entire driveline from an already converted Hilux onto the Feroza chassis....both front and rear diffs, t-case, g-box and commodore V6 engine.............an entire ground-up rebuild.


I don't think you will be able to find anyone that will sign their Engineering Certificate to do it nowadays.


Good Luck
(Hopefully this will answer your PM)

Posted: Fri Mar 06, 2009 10:50 pm
by chatto
got that farken write