w56 tranny with a chevy 350 motor

weakyota91 · 08-18-2007, 08:47 AM

I need your guys opinon. I have a friend who is doing a chevy 350 swap in his 91 runner and is trying to decide what tranny to go with. what would be more reliable and from your experiences whats better.
Toyota 5 speed w56 or a chevy turbo 350 automatic. Thanks guys move this if necessaryt sorry if its in wrong spot

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gilby4runner · 08-18-2007, 08:53 AM

if possible i would go with the 350 turbo. Great transmission!! I am afraid that the added HP and torque would not fair to well in the long run with the yota transmission

InternetRoadkill · 08-18-2007, 11:53 AM

If that 350 is built up, I'd consider moving to the turbo 400.

**Yoda** · 08-18-2007, 12:27 PM

Why not go with a 4 speed OD trans? (700R4?)

Jay351 · 08-18-2007, 12:34 PM

v6 5spd could handle the power of a 350 (r-150/r-150f)

Bear80 · 08-18-2007, 11:24 PM

A lose rule of thumb:

The w56/58 can take under the 300 lb/ft torque range. The R150f is the way to go if you can, still I would not rate it sizeably more for torque handling.

Turbo 400 is the winner, but again between the w56 or turbo 350, I'd go 350.

KPEARSON · 01-12-2008, 11:09 PM

Quote:

Originally Posted by weakyota91

I need your guys opinon. I have a friend who is doing a chevy 350 swap in his 91 runner and is trying to decide what tranny to go with. what would be more reliable and from your experiences whats better.
Toyota 5 speed w56 or a chevy turbo 350 automatic. Thanks guys move this if necessaryt sorry if its in wrong spot

i have a chevy 350 with dual quads 750s and a turbo 350 and it seem to be great but axles is the issue i need help to find out what axle can take the power?

notanymore · 01-13-2008, 12:36 AM

not that the w56 is a bad or weak tranny, but your talking about alot of power and torque that that tranny just isnt meant for, the turbo 350 would be a better choice.

bigarms23 · 01-13-2008, 06:07 PM

you can use the w56 trans have marlin rebuild it and have him turn it into a w56hd trans

tortis · 01-13-2008, 06:15 PM

350 or 400 trans.

GenXr · 01-13-2008, 06:20 PM

TH350/400, 700R4 are all good suggestions.

Have you checked out Downey-offroad.com? They have a large conversion chart, with adapters and their recommendations. They do not recommend the W56 with a chevy 350cid engine. The V8 has too much torque for it.

TRD_JW · 01-13-2008, 06:32 PM

personally i went with the 262 or 4.3 conversion to my r-150f great choice plenty of power im runnin fac gears 33's and a 4.3 and all i can say is good bye Z71's great low end and runs cooler

i guy around here did the swap into his 85 4 runner and has had cooling probs ever with a flex fan and electric fan on either side of his 4 core racing radiator

the w56 should handle the 4.3 no prob and will run better

but if you are hell bent on the 350 like i was until i got hit by a sudden urge of sense go with a turbo 350 tranny other wise the 4.3 is all you need

08-18-2007, 12:27 PM	#4 (permalink)
Yoda Super Moderator Staff Join Date: May 2002 Location: North Bend, WA Posts: 2,664	Why not go with a 4 speed OD trans? (700R4?) __________________ David TLCA 14788 71 Landcruiser FJ-40 TBI 327, TH-350, Warn 8000, disk axle swap. 76 Landcruiser FJ-40 project/parts (haven't decided)

08-18-2007, 12:34 PM	#5 (permalink)
Jay351 Contributing Member Join Date: Feb 2007 Location: maple ridge, British Columbia, Canada Posts: 8,630	v6 5spd could handle the power of a 350 (r-150/r-150f) __________________ 91 Pickup - xcab - 5sp - 3.0 - SR5 - 4x4 - 250k \|2.25" catback w/ magnaflow cat + glasspack \| Weasy2k cams \| Aisin manual hubs \| Diff breather mod\| Marlin HD clutch \|3" BL \| es3000's \|2" AAL \|1.5" bj spacers \| ISR \| Alpine headunit \| 4" Infinity fronts/5" rears \| 4.88's \|Rear lockright \| 33x12.50" BFG M/T on 15x8" steelies \|Hella 500's \|4" reverse lights\| Grant GT \|idler arm brace\|hella E-codes\| Marlin armor \|SS IFS brace \| %100 Amsoil synthetic http://www.cardomain.com/ride/2572486

08-18-2007, 11:24 PM	#6 (permalink)
Bear80 Registered User Join Date: Apr 2005 Location: San Antonio TX Posts: 364	A lose rule of thumb: The w56/58 can take under the 300 lb/ft torque range. The R150f is the way to go if you can, still I would not rate it sizeably more for torque handling. Turbo 400 is the winner, but again between the w56 or turbo 350, I'd go 350. __________________ 1986 Truck - Monster IFS 1997 FZJ80 - Locked, Lifted, Ready Range Rover Recovery Vehicle

01-13-2008, 12:36 AM	#8 (permalink)
notanymore Registered User Join Date: Dec 2006 Location: Wenatchee WA Posts: 969	not that the w56 is a bad or weak tranny, but your talking about alot of power and torque that that tranny just isnt meant for, the turbo 350 would be a better choice. __________________ my truck: 1987 pickup xtra cab sr5 22re 5 speed 4wd, 31x10.5's eb 261c cam, lce header, 2.25 exhaust 120amp Mr. Alternator rear lockrite, optima yellow top xrc8 winch & AOR bumper coming soon my bikes: 1980 Honda CX500-1997 honda cbr F3

01-13-2008, 06:07 PM	#9 (permalink)
bigarms23 Registered User Join Date: Oct 2007 Location: mountains of truckee ca Posts: 1,010	you can use the w56 trans have marlin rebuild it and have him turn it into a w56hd trans __________________ 1988sr5 4.3v6 4runner with chevy axles 513 gears dual cases overall 300to1 ratio 36mtzs 5inch lift detroits 1972 stepside jimmy d44/d70 425hp 1995 green range rover

08-18-2007, 11:53 AM	#3 (permalink)
InternetRoadkill Registered User Join Date: Jan 2006 Location: San Antonio, Texas Posts: 941	If that 350 is built up, I'd consider moving to the turbo 400.

01-13-2008, 06:15 PM	#10 (permalink)
tortis Contributing Member Join Date: Jul 2007 Location: shreveport, La Posts: 1,273	350 or 400 trans. __________________ 89 Truck X-tra Cab LCE Timing Chain 31'' Maxxis Buckshot 4.88's built by ZUK(the mind reader) Aussie Locker Front and Rear 63'' Chevy Springs Marlin HD Clutch Bilstein HD Shocks 2.5" Exhaust W/Dynomax Muffler 2-50 Watt Backup Lights

01-13-2008, 06:20 PM	#11 (permalink)
GenXr Registered User Join Date: Mar 2007 Location: Dayton, OH Posts: 558	TH350/400, 700R4 are all good suggestions. Have you checked out Downey-offroad.com? They have a large conversion chart, with adapters and their recommendations. They do not recommend the W56 with a chevy 350cid engine. The V8 has too much torque for it. __________________ Old Blue - 1995 Xtra Cab 4x4

01-13-2008, 06:32 PM	#12 (permalink)
TRD_JW Registered User Join Date: Nov 2007 Posts: 69	personally i went with the 262 or 4.3 conversion to my r-150f great choice plenty of power im runnin fac gears 33's and a 4.3 and all i can say is good bye Z71's great low end and runs cooler i guy around here did the swap into his 85 4 runner and has had cooling probs ever with a flex fan and electric fan on either side of his 4 core racing radiator the w56 should handle the 4.3 no prob and will run better but if you are hell bent on the 350 like i was until i got hit by a sudden urge of sense go with a turbo 350 tranny other wise the 4.3 is all you need

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