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96 Toyota T100 SR5 SAS #1058622 04/08/13 08:33 PM
Joined: Apr 2013
Posts: 15
5
541mudder Offline OP
Need a Spot
I Have a 96 Toyota T100 lifted on 33's. I want to do an SAS and would like any information on this upgrade. I have found a Chevy 6 lug Dana 44 to match my rear axle. I want to run 37's. I was wondering which would be better 4.88's or 5.13's. I have seen other forums with the T's running 4.88 but I feel like that might not be enough. Any suggestions?

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Re: 96 Toyota T100 SR5 SAS [Re: 541mudder] #1058623 04/08/13 09:34 PM
Joined: Aug 2003
Posts: 2,854
G
Greg_Canada Offline
Roll Me Over
5.13's... as long as you remember you can only use 4wd in slow speed offroad / very slippery situations. (unless you get a matching 5.13 rear axle). The mismatched gear ratio's will bind up your driveline....
I'd only go 4.88's if you had a V8...


89 4Runner
3" BL, M/T locks, 33"bfg mt, bilstein, Kayline, tubebumper, toyotafiberglass panels
TBI: Elocker,3.4 w/ORS,b+b,S2Sstg2cams,arias pistons,P+P intake,TRDs/c,URDpullies+7th,downey headers,MAPECU2,WEGO WB, SupraMAF,walboro255,stg4clutch, EPaOo2 sim
Re: 96 Toyota T100 SR5 SAS [Re: Greg_Canada] #1058624 04/09/13 03:38 AM
Joined: Apr 2013
Posts: 15
5
541mudder Offline OP
Need a Spot
I wouldn't run different gears. I will replace the gears in both my stock rear axle and the Dana 44 I will use for the swap. Most of the forums I have seen for this upgrade all run 4.88's.

Re: 96 Toyota T100 SR5 SAS [Re: 541mudder] #1058625 04/09/13 03:27 PM
Joined: Aug 2003
Posts: 2,854
G
Greg_Canada Offline
Roll Me Over
Quote
I wouldn't run different gears. I will replace the gears in both my stock rear axle and the Dana 44 I will use for the swap. Most of the forums I have seen for this upgrade all run 4.88's.

For the Dana you can only run 5.13 or 4.88, for the toyota you can only run 4.88 or 5.29.
If you want to have matching gears, you have to run 4.88's, or swap both axles to the same type (both toyota or both dana).

Go 4.88 then. 37's are IMHO too big for 4.88's on a stock motor, but if you see a supercharger in your future it will work OK.


89 4Runner
3" BL, M/T locks, 33"bfg mt, bilstein, Kayline, tubebumper, toyotafiberglass panels
TBI: Elocker,3.4 w/ORS,b+b,S2Sstg2cams,arias pistons,P+P intake,TRDs/c,URDpullies+7th,downey headers,MAPECU2,WEGO WB, SupraMAF,walboro255,stg4clutch, EPaOo2 sim
Re: 96 Toyota T100 SR5 SAS [Re: Greg_Canada] #1058626 04/09/13 03:33 PM
Joined: Apr 2013
Posts: 15
5
541mudder Offline OP
Need a Spot
That's what I was thinking about the 4.88. I was hoping I wouldn't need to replace both axles tho. Another question that has been puzzling me is what front drive shaft will work once the front axle is moved forward?

Re: 96 Toyota T100 SR5 SAS [Re: 541mudder] #1058627 04/09/13 07:22 PM
Joined: Feb 2000
Posts: 4,160
ErikB Offline
Toyota Moderator
You want a 5.29/5.38 combo since it's a much closer match than 5.29/5.13.

I've got 5.29/5.38 in my 4runner with 37's and the 3.4 V6. It's a better setup than 4.88's if your goal is a lot of off road driving.
On-road with 5.29's the rpm's are a little high so freeway gas mileage suffers... but if you're running 37's gas mileage probably isn't your primary concern.

Also, the mismatch between 5.29 and 5.38 is only 1.7%. Not enough to worry about. I've been running it for well over a decade without issue, and many others have as well.


'97 4Runner, '06 F350, '86 4Runner, '05 WR450
http://home.4x4wire.com/erik
Re: 96 Toyota T100 SR5 SAS [Re: ErikB] #1058628 04/09/13 07:38 PM
Joined: Apr 2013
Posts: 15
5
541mudder Offline OP
Need a Spot
I am thinking of just swapping the rear so I can do a E-locker at some point. I'm pretty sure I'll run 5.13's. Do you have any idea what to do about the front drive shaft other than buying custom?

Re: 96 Toyota T100 SR5 SAS [Re: 541mudder] #1058629 04/09/13 09:13 PM
Joined: Feb 2000
Posts: 4,160
ErikB Offline
Toyota Moderator
You can buy a flange for the D44 that will allow a Toy shaft to bolt up, but most likely you will be doing something custom for the front shaft anyway since if you run shackles at the rear of the front springs like most do, you'll probably be needing a long travel slip yoke.


'97 4Runner, '06 F350, '86 4Runner, '05 WR450
http://home.4x4wire.com/erik
Re: 96 Toyota T100 SR5 SAS [Re: ErikB] #1058630 04/09/13 09:28 PM
Joined: Apr 2013
Posts: 15
5
541mudder Offline OP
Need a Spot
What are the advantages for running the shackles at the front of the springs instead of the rear?

Re: 96 Toyota T100 SR5 SAS [Re: 541mudder] #1058631 04/10/13 02:21 PM
Joined: Aug 2003
Posts: 2,854
G
Greg_Canada Offline
Roll Me Over
The axle moves forward under compression which keeps it away from your fenders.

However, for on road driving it is less stable because the axle will want to push forward over bumps... the ride will be like a FJ40.

Go rear shackles... smoother ride.


89 4Runner
3" BL, M/T locks, 33"bfg mt, bilstein, Kayline, tubebumper, toyotafiberglass panels
TBI: Elocker,3.4 w/ORS,b+b,S2Sstg2cams,arias pistons,P+P intake,TRDs/c,URDpullies+7th,downey headers,MAPECU2,WEGO WB, SupraMAF,walboro255,stg4clutch, EPaOo2 sim
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