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TK4 Transmission Questions


1984ranger28

1984ranger28

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Hi, I have a 1984 Ranger with the Toyo Kogyo TK4 manual transmission and was wondering how much power the transmission can take stock. Thanks, Lucas.
 


Shran

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I don't know if there are any published figures out there. They were made to go behind the 4 cylinders and anemic 2.8's from that era... so they are pretty light duty in any case. You could probably get away with a fair bit more power than stock if you're just driving it around town, but as with any manual, abuse will shorten its lifespan quickly, IE racing, offroad, etc
 
rusty ol ranger

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I wouldnt go much above what an OHV 4.0 puts out stock. And thats only if youre nice to it.

Whats your plans?
 
1984ranger28

1984ranger28

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I want to swap a 302 into it, and was hoping I could save a litte money on the transmission.
 
fastpakr

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No - definitely DON'T do that. Too many better options that will save you money in the long run vs buying an adapter to use a weak, rare, 35 year old 4 speed transmission.
 
Shran

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Yeah, don't do that. You could buy a suitable transmission for the price you'll spend on the adapter to use your 4 speed.
 
rusty ol ranger

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1984ranger28 said:
I want to swap a 302 into it, and was hoping I could save a litte money on the transmission.
Click to expand...
If you do use it, please, please mount a go pro under the trans tunnel first time you do a 4000rpm clutch drop...please.

Just kidding.

No, i wouldnt trust any 80s era RBV trans behind even a choked out emission 302.

If you want to stay manual look for a mazda M5OD, or, if you dont care about O/D any of the old standby 4speeds should be adaptable to your application.

If you go automatic, a C4 is your best bet.
 
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