4.7 into 3rd Gen Runner

schmatt · 11-05-2009, 07:49 PM

Does anyone know anything about this?

I was going to buy a 4runner, but I really want a 5 speed, the V8 and part time 4x4.

It occurred to me that it may be possible to put the 4.7 into a 3rd gen (where a 3.4 once sat) and use the 5 speed manual. I am aware that 5 speed's attached to 3.4's are rare, but I have a line on one.

My line of reasoning is that since the 3.4 and the 4.7 are shared in other platforms the engine mounts might align properly and they may mate to the same trans.

Is this a problem?

I think I could build one nice 4runner instead of buying one of the new ones.

TIA!

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Wheelingnoob · 11-05-2009, 09:17 PM

I would think you have two problems. 1) The engine bay on the 3rd gen is quite a bit smaller than that of a 1st gen Tundra. 2) the 4.7L never came with a 5spd option so the bell housing will not match from a 3.4L. I have herd of people making custom adapters and Bell housings and Flywheels for the 4.0L Toyota V8 so maybe there is a chance.

Good luck if you do it, and if you make a build thread.

schmatt · 11-05-2009, 09:20 PM

Seems to me like the 3.4L and the 4.7 would have the possibility of sharing bellhousing patterns due to the fact that they both reside in Tundra trucks.....

Hmmm..

ozziesironmanoffroad · 11-05-2009, 09:23 PM

the toyota 4.0 is a V8? i thought it was a V6.... a 4.0 is a TINY V8....

Wheelingnoob · 11-05-2009, 11:22 PM

Quote:

Originally Posted by schmatt

Seems to me like the 3.4L and the 4.7 would have the possibility of sharing bellhousing patterns due to the fact that they both reside in Tundra trucks.....

Hmmm..

Nope there totally different.

Quote:

Originally Posted by ozziesironmanoffroad

the toyota 4.0 is a V8? i thought it was a V6.... a 4.0 is a TINY V8....

Yes all the Lexus LS400, SC400 and GS400's have the 4L V8. Its an awesome motor, light and revs nice and high.

schmatt · 11-08-2009, 06:38 PM

Would it be a lot easier just to use the 5 speed that comes behind the 4.7? Would it even be possible?

11-05-2009, 09:17 PM	#2 (permalink)
Wheelingnoob Registered User Join Date: Feb 2007 Location: Surrey, BC Posts: 267	I would think you have two problems. 1) The engine bay on the 3rd gen is quite a bit smaller than that of a 1st gen Tundra. 2) the 4.7L never came with a 5spd option so the bell housing will not match from a 3.4L. I have herd of people making custom adapters and Bell housings and Flywheels for the 4.0L Toyota V8 so maybe there is a chance. Good luck if you do it, and if you make a build thread. __________________ 93 2dr 4runner "overland build" www.overlandcanada.com 89 Supra Built 2jz swap,T67 DBB and a Vipec V88.

11-05-2009, 09:23 PM	#4 (permalink)
ozziesironmanoffroad Registered User Join Date: Sep 2007 Location: Spring Valley, CA Posts: 5,676	the toyota 4.0 is a V8? i thought it was a V6.... a 4.0 is a TINY V8.... __________________ The 22r series engines are made from the fires of hell, and will fight tooth and nail to not be sent back. 1988 Toyota P/U 4x4 22re, 1200 miles on the rebuild engine builder .268 cam pioneer CD deck 31x10.50x15 BFG A/T BAJA 100W lights on prerunner bumper KC Daylighters 100W rancho rs5000 MUD IS A VALID PAINT JOB! If not living life to the fullest, why live it? my trucks official buildup thread

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11-05-2009, 09:20 PM	#3 (permalink)
schmatt Registered User Join Date: Apr 2009 Posts: 6	Seems to me like the 3.4L and the 4.7 would have the possibility of sharing bellhousing patterns due to the fact that they both reside in Tundra trucks..... Hmmm..

11-08-2009, 06:38 PM	#6 (permalink)
schmatt Registered User Join Date: Apr 2009 Posts: 6	Would it be a lot easier just to use the 5 speed that comes behind the 4.7? Would it even be possible?