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 Post subject: ke20 4age swap question
PostPosted: Sat Dec 20, 2014 2:57 pm 

Joined: Sat Jul 05, 2014 6:54 pm
Posts: 16
Location: Colorado
Hello everyone,
I have a few questions to ask regarding a swap I plan on doing with my '73 ke20. I recently came across a 4age (post redtop edition) that was sitting in a scrap pile. Luckily I saved it and now I plan on rebuilding it. It has most of the parts I need when matching them up with new ones, except for the transmission & starter, water pump, pcm, and few bolts. Since this was originally from a 89 gts (judging off the VIN) it is FWD, what will I have to do to convert it from FWD to RWD? I have done some research and came across some pages, but none offer enough information. There was one page that I did find awhile back that had a lot of information on the conversion, but now it is shutdown. I have heard that a t50 or k50 transmission can be used. Is this true and will it bolt up? Will I need to change the differential and rear end? Are there any other modifications that I will have to consider for this to fit properly?


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 Post subject: Re: ke20 4age swap question
PostPosted: Sat Dec 20, 2014 2:58 pm 

Joined: Sat Jul 05, 2014 6:54 pm
Posts: 16
Location: Colorado
Posting more pics of the car

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 Post subject: Re: ke20 4age swap question
PostPosted: Sat Dec 20, 2014 4:59 pm 
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Joined: Wed Mar 21, 2007 11:47 am
Posts: 482
Location: Pac NW
you will need a T50. It came on both the 4AC, and the 4AGE, since the exhaust is on different sides, Toyota made 2 bell housings. IDEALLY you want the one from the 4AGE. The other can be used if you run custom clutch hydraulics

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 Post subject: Re: ke20 4age swap question
PostPosted: Sun Dec 21, 2014 4:41 am 
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Joined: Mon May 25, 2009 4:11 am
Posts: 282
Location: Melbourne Australia
http://www.rollaclub.com/wiki/index.php ... ing_to_RWD

You should have little difficulty finding the AE86 specific parts since they were delivered that way in your market. We didn't get RWD 4AGE's in Australia. Source the correct inlet manifold locally rather than cut and shut.

Don't fall for thinking you can get an early T50 as it won't fit.

If you plan on running a conventional engine driven viscous fan, you must buy a RWD specific water pump.

The main issue you will have will be wiring, if you intend using the factory ECU. Also you will need to install a T series rear axle with a 6.7 ring gear. Not sure if any of your TE27's had these locally, if not you will need to source one from a later model and cut it down to suit leaf springs and narrow it. All the info is out there as it's been done plenty of times before.

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 Post subject: Re: ke20 4age swap question
PostPosted: Sat Mar 21, 2015 4:08 pm 

Joined: Sat Mar 21, 2015 2:27 pm
Posts: 9
Update?? You get started on it or have it going down the road yet?


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 Post subject: Re: ke20 4age swap question
PostPosted: Sat Mar 21, 2015 5:52 pm 

Joined: Sat Jul 05, 2014 6:54 pm
Posts: 16
Location: Colorado
Sorry for the late response. I've been bouncing back and forth with locating parts for my car, along with school and work on the side. I appreciate the help and info, you guys answered most of my questions.
Recently I dismantled the whole engine and steam cleaned it. Now I need to bring it to a machine shop to have it magnafluxed. Then from there I need to plan everything out. I'll post some pictures of my car once I get the bumper for it (should be getting it by Monday) :D. All I need left (as for as hard to find parts) are some round turn signals if anyone could help me with that. I really don't want to buy another valence with different turn signals as I have already invested enough money into this car. Otherwise, the stock 3kc runs now. Replaced the alternator and regulator. Needs a tuning, but that's no big deal. Agent Orange will be on the road in no time!


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 Post subject: Re: ke20 4age swap question
PostPosted: Sat Mar 21, 2015 6:03 pm 

Joined: Sat Mar 21, 2015 2:27 pm
Posts: 9
Alrighty. I suggest as temporary fix you find some plastic that you like and cut the turn signal rounds out yourself.


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 Post subject: Re: ke20 4age swap question
PostPosted: Sun Mar 22, 2015 12:48 am 

Joined: Sat Jul 05, 2014 6:54 pm
Posts: 16
Location: Colorado
Yeah, that was my last resort.


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