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Audi UR Quattro Rally Build

 
Old 04-09-2019, 03:50 PM
  #51  
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Looks like you are having a good time. Keep up the good work.
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Old 04-24-2019, 01:05 PM
  #52  
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WHEELS

Halfway through our engine tear down our new wheels showed up. Yes, they did distract us.



We chose these from BRAID’s catalogue because they look very similar to the BBS wheels the Rothmans (and some others) rally Quattros ran back in the day. Look:

[img] http://www.slotforum.com/forums/uplo...1510_26293.jpg [/img]

Specs are:
- BRAID Serie 4 RC
- 15x10
- Et0
- 5x112
- 57.1 center bore

As far as our research suggests, the same as the originals.

Of course we took lots of pictures.











Then, we installed a couple of our TB5 tires to make sure the wheel and tire package would actually work.









Nailed it!



In case you weren’t paying attention earlier these tires are Michelin TB5 historic tarmac rally tires in size 265/40-15 and are just 23.3” overall diameter. Again, the same size these cars ran in period, at least in tarmac trim.

Next week back to the engine, we promise.

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Old 05-15-2019, 07:48 AM
  #53  
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We promised you an engine-based post this week so here you are.

As we mentioned in an earlier post we were supposed to just bolt this in but have recently gotten carried away with cleaning and polishing everything on this car so let's see how nuts we can go with an engine. Is there therapy available for this stuff? We need help.

So we started by painting the block, even though nobody will ever see it once it's in the car. It's not like it didn't have paint on before. Jeez!



Then we turned our attention to refurbishing the cluster of accessories we previously took off.

We decided to reduce the size of the AC and alternator bracket as we are deleting the AC. We could have just found a non-AC bracket but they were expemsive and all in Europe because Americans can't drive without the windows up (electric) and the AC on.



We couldn't make ours quite the same shape but we did cut a sizable chunk off the rear:





The idler pulley bearing was noisy and NLA so we just replaced the pulley with a GM something or other.



About the same size but has the bearing in the pulley like a normal one not inside the bracket like an Audi one. Consequently some re-engineering was required.





It turned out pretty nice, if that's not a pun.



We also blasted and painted the engine mount brackets because, well, we're sick. Next week we'l probably paint something else; maybe gold! Stay tuned.

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