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Old 11-04-2019, 10:49 AM   #1
BigRedVolvo
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Post 850 whiteblock rwd gearbox

Looking for people that have used their 2.3 t5 engine in rwd set ups. What gearboxs/cars did you use? Must be 400bhp+ capable.
Any info/build threads greatly appreciated!
Thanks
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Old 11-04-2019, 11:47 AM   #2
poulrais
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Quote:
Originally Posted by BigRedVolvo View Post
Looking for people that have used their 2.3 t5 engine in rwd set ups. What gearboxs/cars did you use? Must be 400bhp+ capable.
Any info/build threads greatly appreciated!
Thanks
M90 if you can find one,

T5, not sure about the 400HP+ capabilities though, DeeWorks sells the adapter plate.

CD009, fits well in a 7xx/9xx shell, needs a little banging in a 240. You will need a shifter relocator and DeeWorks sells the adapter kit for this one also.
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Old 11-04-2019, 01:56 PM   #3
Broke4speed
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The automatic from a Volvo 960 with the B6304 whiteblock also fits...and holds lots of power...if you're building a drag car .
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Old 11-04-2019, 02:21 PM   #4
Mats 960t16
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I used an m90, because it was plug and play and shifts pretty nice. Also because it was easier (and cheaper) to buy a complete 960, then sourcing the needed parts for the build. You will need the oil pan, oil pick up, water pipe, heater hoses, drive shaft and transmission. I also took the rad, fan and throttle valve and all sorts of bits off the 960. I don't know about the 400+ bhp, but my car with 300 chp brakes traction pretty quick so the trans doesn't take the full beating. It's sitting in it for 4 years now (street driving) and still holds up fine.
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Old 11-04-2019, 03:40 PM   #5
poulrais
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Originally Posted by Broke4speed View Post
The automatic from a Volvo 960 with the B6304 whiteblock also fits...and holds lots of power...if you're building a drag car .
Seriously? The Aisin tranny in my S90/960 holds a lot of power? I've been through 3 of these on stock power! And don't you need the electronics (TCU) from the donor car to make them shift?

I could be wrong though and maybe I was just unlucky as hell. Are these the same that came in the automatic MKIV Turbo Supra

Last edited by poulrais; 11-04-2019 at 08:33 PM..
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Old 11-04-2019, 09:37 PM   #6
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The one in the 960 is the same one that's in the MkIV non-turbo supra. It's been able to handle 400 hp with no issues, as proven on a few supra boards. The biggest issue with automatics is that they're designed for smooth, gentle shifts...and that wears the clutches out. A dead auto box really only needs new clutches, because it slips. It's far from dead, but garages charge a mint to replace them.

I'm running maximum line pressure, and have deleted the accumulators, so when the fluid is warm...it's a pretty firm shift. It's like running a six-puck clutch disc with a strong pressure plate. Not much slip at all. The POI shift box I made from instructions I found here allows me to control the shifts like a muscle car with a manual valve body, except I'm actuating solenoids instead of hydraulic valves.

Clutches wear out, and the ones in auto boxes are no different. The AW30-40/A340 is basically the japanese equivalent of a GM auto. The rest of the world uses them in everything...and there's a huge performance market. The MkIV Supra turbo boxes have extra clutches inside that allow them to hold more power in stock trim...and a LOT more power with mods .

...if you're interested in seeing what's up, all you need to do is cut the wire that goes to the line pressure solenoid. Then it's maximum pressure at all times ;).

Last edited by Broke4speed; 11-05-2019 at 09:08 AM..
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Old 11-12-2019, 06:06 PM   #7
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I beat the snot out of all my aw3040 and aw3043. Never had a problem a flush didn't fix
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