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RT3 LHD to RHD conversion
If anyone is interested it is possible.
I've just completed mine. Swapped the rack to a Z3 Powered rack with an Electric pump from an Astra. All good so far! https://i.imgur.com/0iSr1wxh.jpg https://i.imgur.com/ijeQR3Xh.jpg https://i.imgur.com/dfywNlFh.jpg https://i.imgur.com/DsDzFJBh.jpg I can kinda call it finished until my KAAZ 1.5 way LSD comes! https://i.imgur.com/h33IX6ah.jpg https://i.imgur.com/UuYwSF3h.jpg If anyone has any questions on how and why, feel free to ask! |
do tell...
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Quote:
So the swap. The standard rack is actually a RHD toyota rack flipped upside down. So I bought a 'purple tag' quick rack from a RHD BMW Z3. It fits on to the original mounts, with two flat bar extensions. Seen here https://i.imgur.com/QuS4vDVh.jpg The OEM BMW inner and outer tie rods fit too. The only things that need altering is that the inner tie rod needs 18mm cutting off it. I used some D bar, a flaming river UJ https://www.summitracing.com/parts/FLA-FR2563 and a Borgeson anti vibration UJ https://www.summitracing.com/parts/brg-033449 and some 3/4 34 spline bar to make the lower steering column. https://i.imgur.com/QhVTVLZh.jpg My dash already had the bracket for mounting the column to it, which was V helpful https://i.imgur.com/wIN7lcsh.jpg The pedals and master cylinders I moved across wholesale. Just had to drill all the holes needed. Luckily with mine been an early car, the pedal box wasn't bonded in. Made a new dash with some Ali https://i.imgur.com/vpfwIMOh.jpg Fitted the PAS pump from a GM Astra which lives on a custom mount down here https://i.imgur.com/Ny2vCtHh.jpg |
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Great work! Looks like a modified original AC289 Sport, COB car! Cheers, Dennis
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Its winter so we are back boys, we are back!
First job done, align the headlights, my new LED ones are super bright, but point down even with the adjusters on the bowl wound right out. Took them apart and looked behind the bulb, and the clever aussie man who made then, but an adjustment screw in there! Boom, lights point up. Now my steering has always been, hard, easy hard easy hard, when turning, I knew it wasn't the rack, its the fact my UJ's in the shaft are way out of line. Ideally if one is at 45deg you want the other at 45deg, and well one of mine is at 40deg and the other is at 2deg (numbers made up but you get the idea). Old photo but you get the gist... https://i.imgur.com/NByMDolh.jpeg A video example of my issue [youtube]https://www.youtube.com/watch?v=5aCK4Bob6a0[/youtube] I can't change the angle of the top shaft, since it needs to clear the engine but I could make it a little shorter which would soften the top angle a little but while making the bottom angle even shallower too. Only other thing I can do, is rotate the rack around its axis and raise it a little. I made the mounts with 20mm of adjustment upward, so the raising isn't much of an problem but if I rotate it, then I run into the issue of how do I fix it to the car, and the fact it'll clash with the chassis rail you can see under he bottom joint in the photo, this needs more thinking.... |
Luckily some members of another forum I'm on have a brain which is better than mine.
Since my UJ at the bottom is essentially straight, I could used on of these at the top to sort the issue. https://www.summitracing.com/parts/brg-133449 https://i.imgur.com/dq3eHDrh.png The double UJ will fix the velocity mismatch at the top and should make for far nicer steering feel. |
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