hi a while back i remember reading a thread where someone was mixing parts from various gearboxes to make a 4speed auto for the 3speed vitaras. Now i've searched all over for the link (it may of been an american thread) and i can't find it.
Anyone here recall this?
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mixing auto transmissions
Posts: 912
Joined: Tue Nov 09, 2004 6:29 pm
Joined: Tue Nov 09, 2004 6:29 pm
Location: {Sydney, Australia or Rio, Brazil Ride: Sierra JXi}
mixing auto transmissions
-[b]Santos[/b][img]http://www.teamswift.net/images/smilies/icon_furious.gif[/img]
Suzuki, Jeep & Toyota Soft tops with welded seams for SALE (PM me)
Suzuki, Jeep & Toyota Soft tops with welded seams for SALE (PM me)
Posts: 912
Joined: Tue Nov 09, 2004 6:29 pm
Joined: Tue Nov 09, 2004 6:29 pm
Location: {Sydney, Australia or Rio, Brazil Ride: Sierra JXi}
It was so a 4 speed would work on a carby/tbi motor usind the vaccum advance i think they where using toyota or volvo parts that came from the same manufacturer (aisin?denzo?)
-[b]Santos[/b][img]http://www.teamswift.net/images/smilies/icon_furious.gif[/img]
Suzuki, Jeep & Toyota Soft tops with welded seams for SALE (PM me)
Suzuki, Jeep & Toyota Soft tops with welded seams for SALE (PM me)
But an AW4 ( vit 4 speed auto ) is cable operated for both selection and shift modulation - i cant see a conversion problem from that end.
Perhaps if you outlined what your thinking of doing others might be able to offer some more exact advice.
Perhaps if you outlined what your thinking of doing others might be able to offer some more exact advice.
( usual disclaimers )
It seemed like a much better idea when I started it than it does now.
It seemed like a much better idea when I started it than it does now.
Posts: 912
Joined: Tue Nov 09, 2004 6:29 pm
Joined: Tue Nov 09, 2004 6:29 pm
Location: {Sydney, Australia or Rio, Brazil Ride: Sierra JXi}
i just wanted to re-read the tread see where it ended, it seemed interesting, no real immediate goals but i didn't know the 4 speeds worked on the carb engines 
-[b]Santos[/b][img]http://www.teamswift.net/images/smilies/icon_furious.gif[/img]
Suzuki, Jeep & Toyota Soft tops with welded seams for SALE (PM me)
Suzuki, Jeep & Toyota Soft tops with welded seams for SALE (PM me)
but be aware that not all US vitaras used the same gearbox that ours did - some used the TH200 from memory, rather than the AW-4.
There was also a TH180C (three speed trimatic with a lockup converter)
It's possible that you are referring to is creating a bitsa with TH180C converter/front case and tH200 rear.
This won't be easily possible here. AW-4's whilst a great box are very long and bulky to fit into a sierra though, even with a BL. The trimatic is a much easier fit, but high range gearing gets short quick without the overdrive.
Steve
There was also a TH180C (three speed trimatic with a lockup converter)
It's possible that you are referring to is creating a bitsa with TH180C converter/front case and tH200 rear.
This won't be easily possible here. AW-4's whilst a great box are very long and bulky to fit into a sierra though, even with a BL. The trimatic is a much easier fit, but high range gearing gets short quick without the overdrive.
Steve
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