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Registered:
December 2003
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4AGE 20v into AE92(4AFC)
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Thu, 11 December 2003 05:16
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wondering if anyone has done this conversion. AE111 blacktop or AE101 silvertop. Are there any problems apart from having to sort out the engine management wiring and intergrate it with the existing and sort out the electric fuel pump and line from the tank. Does this conversion require compliancing ..
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Location:
Brisbane
Registered:
May 2002
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Re: 4AGE 20v into AE92(4AFC)
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Thu, 11 December 2003 05:44
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mechanically its an easy bolt in swap, you will have to cut a little bit off your 4afc timing cover mount to bolt it to the 20V, but that's nothing a hacksaw cant fix.
Grab an EFI tank and lines from any other EFI ae9x corolla and put those in your car, that takes care of the efi problem as you only have to run a power and ground wire to the pump.
The loom is the hardest part of the whole conversion, with all the right diagrams it can be sorted out though, the AE111 loom is harder to integrate than the AE101 loom, I did an AE111 into an ae92 last week and it took me two nights after work to sort out the wiring...
The other thing you will need done is either a new cat back exhaust off the 20V secondaries and cat, or your original cat back exhaust modified to fit...
You can bolt the ae101 or ae111 power steering lines to your power steering rack if you have power steering already, I fitted the complete AE111 superstrut rack to the car I did last week after fitting some ae92 powersteer rack ends. You will also need the ae92 power steering column if doing that swap...
The article I wrote about the ae101 20V to AE93 SX swap is here: http://www.4age.net/tech/20v/index.htm
Second time around I did a few things differently like installing a new waterpump and clutch to the 20V, as these are a pain to do once the motor is in the car... I highly recommend fitting a new waterpump as I know of 6 separate 20V's that have had waterpump failures within a year of the conversion.
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Registered:
December 2003
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Re: 4AGE 20v into AE92(4AFC)
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Thu, 11 December 2003 05:54
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did your install last week use the gearbox for the AE111 or did you use the AE92 box. Are the driveshafts the same or is there a difference in diameter or no. of splines between the two of them.
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Location:
Brisbane
Registered:
May 2002
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Re: 4AGE 20v into AE92(4AFC)
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Thu, 11 December 2003 06:00
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used the AE111 box, it was a 5-speed C56. Use the 20V shafts, they fit straight into the ae92 hubs and are of an equal length design and help to prevent torque steer, I'd post a link to the thread detailing that swap but the www.twincam.org forums are down at the moment with another MySQL error...
The ae111 will come with a C56 if it's a 5-speed, an ae101 will come with either a C52 or C56 depending on it's age. Both boxes are far superior to your C50 attached to the 4afc.
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Location:
Brisbane
Registered:
May 2002
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Re: 4AGE 20v into AE92(4AFC)
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Thu, 11 December 2003 06:07
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Registered:
December 2003
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Re: 4AGE 20v into AE92(4AFC)
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Thu, 11 December 2003 06:09
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did you do your conversion from a front cut or buy a package for engine g/box loom ecu. I think a front cut is a safer way to go. Do you agree. Also did you stick with the original AE92 front brake setup. Did you make any changes to the rear brake setup. Did you have to get the conversion complianced. Who did you purchase your conversion bits from as I am based in brisbane.
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Location:
Brisbane
Registered:
May 2002
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Re: 4AGE 20v into AE92(4AFC)
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Thu, 11 December 2003 06:21
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I got my frontcut from Rollin imports at the Gold Coast, $2400 for the AE111 blacktop 5-speed cut with superstut brakes. When I rang around the AE101 silvertop cuts were about the $1800 mark from STZ with at least 100,000K's on them, there's another importer out around Capalaba who aren't too shabby with their prices. Phone around and the go and physically check the cuts, remember the silvertop was available in 1991 in japan so you could be purchasing a 12 year old motor, and it's not unheard of for the instrument clusters to be missing/swapped from the high K cuts... the year will be stamped on the spark plug leads if you want to know how old the cut is...
I wouldn't do the conversion without a frontcut, it makes life a lot easier for the DIY'er and you can use stuff like the front brakes etc from the cut aswell.
I've upgraded to SX rear discs on the hatch I've just done, and it's getting the twin piston superstrut front brakes aswell, the same as my GZE sedan.
I'll be getting a mod plate for the conversion after the car is sprayed (paint is a shocker on this one), the 20V was not originally available in the AE92 chassis so it needs a mod plate. You dont have to get one if you dont feel like it, but I prefer minimal hassels with the authorities.
Here's the silvertop swap I did in my brothers old car which that article was about...
[Updated on: Thu, 11 December 2003 06:25]
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Registered:
December 2003
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Re: 4AGE 20v into AE92(4AFC)
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Fri, 12 December 2003 00:40
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you said I would have to modify the 4AFC timing cover engine mount. Do you mean that I will have to remove the mount bracket from the 4AFC block and fit it to the 4AGE 20v and use the original AE92 engine mount assy on the new engine. Also did you have to change the gearbox rear mount and use the AE92 original or did you use the one fitted to the 4AGE 20v. Did you use the original radiator out of the AE92 with the new setup. 
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Location:
Brisbane
Registered:
May 2002
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Re: 4AGE 20v into AE92(4AFC)
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Fri, 12 December 2003 04:01
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you only use the rubber insulated engine mounts for the swap, use all the ae92 mounts, you dont have to swap the any parts from the block or gearbox brackets between motors. You only need to swap the mechanical speedo sender from your C50 to the C52, which is a simple job as there is 1 10mm bolt that hold the sender in on both boxes.
I used the 4afc radiator as the top tank has the outlet in the right place and the ae101 item was too tall.
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