NV4500 in place of stock 4 speed?

[jeffj40]

I searched around a bit but couldnt find anyone who was merely swapping in a nv4500 for their four speed. My trans and transfer are bad but Ive got a nv4500 alredy bolted up to a stock LC transfer case on hand and I was wondering if its a PITA or even possible. Seems like most people converting to this trans had already swapped in a SBC.
Thanks
Jeff

 

[Vitesse_6]

You will need an adapter between the F/2f engine or just bolt it up to a small block Chebby depending on your engine
Fairly straight forward.

 

[jeffj40]

You will need an adapter between the F/2f engine or just bolt it up to a small block Chebby depending on your engine
Fairly straight forward.

Thanks. I already ordered a new 2F clutch/flywheel kit. Would i be able to use it or would it be different for the new trans? Sorry if these seem like silly questions, im just trying to avoid someone selling me something I dont need.

 

[Vitesse_6]

Im not really sure what the difference will be, But im assuming the input shafts are different between the 4 speed and NV4500 so you may need to use a flywheel from the Chevy, I used a SBC and NV4500.
I think its going to be a tight fit if you are going to be using 2 adapters.
I know there are much more knowledgeable people on this, Hopefully they will pipe up.
Good luck

 

[jbarnhill]

I believe you need the Dodge input shaft to work with the 2f. I had someone put the transmission in my fj40. Then I put the chevy 350 and had to change the input shaft.

 

[Poser]

What NV4500 transmission do you have?

Chevy?

Dodge?


Advance Adapters makes an adapter plate and a few other pieces you will need to use to make the NV4500 bolt up to a Land Cruiser four speed flywheel housing.


You may want to measure your current four-speed transmission and transfer case assembly length and compare it to the assembled length of the NV4500 to see how much difference there is in length, and how short your rear drive shaft will end up being.

 

[jbarnhill]

it is long. It did make my rear drive shaft around 14 inches

 

[jeffj40]

What NV4500 transmission do you have?

Chevy?

Dodge?


Advance Adapters makes an adapter plate and a few other pieces you will need to use to make the NV4500 bolt up to a Land Cruiser four speed flywheel housing.


You may want to measure your current four-speed transmission and transfer case assembly length and compare it to the assembled length of the NV4500 to see how much difference there is in length, and how short your rear drive shaft will end up being.

Thanks for wheighing in Steve, at your suggestion in another thread of mine I bought a known "good" trans/transfer combo which turned out to be no good as well. Not your fault it was good advice just my bad luck but after putting the whole thing back together I just about got out of my driveway when the thing started clunking.So now Im trying this.

Its a chevy 10 spline 1 1/8" input shaft The guy at AA said it should "bolt right up" with the new bellhousing which they are gladly trading me for my credit card number. Amazing how that works. So he tells me I can use my existing 2f clutch and flywheel but the directions call for cutting out my crossmember. Is that really neccesary? Also suggested a new crossmember/trans support they make for a chevy auto trans. ?He told me to call Bobby at tthe cruiser co. in AZ for info. Anyone use these? The case I have now has the standard propeller type....this one is supposedly better.
Thanks
Jeff

 

[jeffj40]

it is long. It did make my rear drive shaft around 14 inches

Oh so I need a new driveshaft too..... great. On my donor truck the driveshafts seemed uncut. I guess the PO had the SBC engine kissin the radiator. More money. woo hoo!

 

[Vitesse_6]

It never ends...
Good luck with the install in my sig I have my set up.

 

[orangefj45]

you will need a new clutch diss ac well. the spline diameter for gm and small dodge are the same, but they are 1/8" larger in diameter than the toyota input shaft splines.
i have done the conversion a couple of times. works out well but you will have to do the other mods listed above........

 

[65swb45]

Special bellhousing? I thought peeps putting domestic trannies behind the Toyota engine just used a 3 speed bellhousing?

That rear driveshaft is SCARY short. I've got a local who had this combo in his 74. I advised him against putting any lift on the rig because of the extremely short driveshaft.

 

[terrx]

Have you considered swapping in an H55F 5 speed? Unless you're dead-set on the NV4500 it might be a better option.

 

[orangefj45]

Special bellhousing? I thought peeps putting domestic trannies behind the Toyota engine just used a 3 speed bellhousing?

the last time i did one we ran this:

712578-L

 

[jeffj40]

the last time i did one we ran this:

712578-L

That's the one I've got coming. Did you need to hack out your crossmember to get it to fit?
Thanks
Jeff

 

[orangefj45]

yup, no way around it.

 

[jeffj40]

Alright that clinches it for me. I didnt want to do it but after all the input and directions from AA. I cancelled my order. I've got a tpi 350 sb ready to go already attached to the 4500, for the price of a couple mounts (and some effort) I'll be back on the road. I wanted to stay toyota but the price and the work doesnt seem worth it.
Thanks Everyone

 

[Vitesse_6]

Good to hear, Its amazing what the adapters can add up to.
Good luck

 

[Downey]

The typical NV4500 conversion cost about $1600 for a tranny, and adapters on BOTH ends that brings the bill up to $3,000+. Then floorboard modifications that may interfer with the gas tank, pratically zero rear driveshaft, and some reported cases of noise problems. I haven't studied this, but I suspect the 1st. gear is not a good granny, but too low for highway use. I suspect that 2nd. gear is too high to be a highway 1st. gear--this could spell "dilemma".