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So, hunting around the wrecker checking on projects, I came across one of these- A Daihatsu Move. The reason it doesn't have a disc or hub on that side is because I have them on the bonnet of a nearby car.. They are unusual because the disc mounts on the back of the hub, like a RWD, while nearly all FWD put it on the front of the hub so the wheel bolts it into place. You can see the diameter is bigger by 16mm, or 8mm of radius. The swept area is MUCH bigger, 30mm out to 40mm is a lot. The hole in the middle is 6mm larger (FWD!) so we'd need a 3mm wall spacer to center it. The bolt holes are 2mm out, so that would need a little filing. The setback from the front mounting face goes from 30 to 37 or so, and we can only steal a little of that back. The disc thickness around the hub is only 7mm on a KE70 and 8mm on the Move, so we'd take a mm off that. The caliper mounting holes are15mm closer together, so new mounts would need to be welded onto the KE70 backing plate. The alternative would be to swap the whole plate over from the Move, but that enormouse FWD hole in the middle means the 4 Move boltholes run into the edge when you re-drill for a KE70. Either way it needs a bit of welding for caliper fit. The KE70 holes aren't symmetrical, their pattern is very strange. ..and that is as far as I've got. I don't think I can any check more without doing something about mounting it and seeing if it fits on the strut and if it clears a 13" stock wheel. Anyone with a lathe want to knock up a pair of rings to center the disc? If it fits with a centering ring on the disc and another on the Move backing plate, it would be a very cheap and simple conversion to ventilated discs for stock KE70s, so you can set up a production run later! So, do we need this? Are stock brakes fine? The keen people with fat wallets can go to coilovers and Brembos, others can get Corona/Celica stuff, but I figure the current suspension and steering is nice without adding too much unsprung weight.