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Rotrex for 1.6

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Old Apr 14, 2013 | 08:42 PM
  #1  
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Default Rotrex for 1.6

Hi
I'm looking at buying a second hand rotrex for my 1.6. Basically a street car but want a little extra oomph and a C30-94 has come up.

Question is can that be used successfully with the 1.6 or is it to large? I know Kraftwerks do not use this model in their kit..

Also it has done 30 000k's (20 000 miles) is it in need of some sort of a rebuild at that mileage?

thanks
Old Apr 15, 2013 | 02:21 AM
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Turbo
Old Apr 16, 2013 | 08:15 PM
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Falcon built a 1.6 with a C30-94. Search for him/his build thread.

Originally Posted by Rotrex Website FAQ
We do not recommend attempting to repair the Rotrex supercharger. We are aware of some companies offering repairs, however none of these are Rotrex approved. At Rotrex we never repair superchargers or reuse components.

Please also note that Rotrex does not offer any warranty on superchargers that have been repaired or disassembled.

When used within specifications the Rotrex supercharger does not wear due to the traction design that has no metal to metal contact. The life span of a Rotrex supercharger is hundreds of thousands kilometres, assuming operating conditions are within specifications and recommended oil change frequencies are followed. On some applications other than cars the Rotrex supercharger has run continuously for more than 5.000 hours.

Should something go wrong the supercharger will most likely be destroyed due to the extreme speeds of the rolling elements. The most common failure causes are overheating and contamination of the oil or air flow as well as the supercharger being disassembled. Hence repair is not recommended. Even if a repair seems successful at first the supercharger will likely break down later due to the very tight tolerances of the components.
Strictly speaking, its not "rebuildable" according to the manufacturer.

Originally Posted by viperormiata
Turbo
+1
Old Apr 19, 2013 | 11:18 AM
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Originally Posted by trader
Hi
I'm looking at buying a second hand rotrex for my 1.6. Basically a street car but want a little extra oomph and a C30-94 has come up.

Question is can that be used successfully with the 1.6 or is it to large? I know Kraftwerks do not use this model in their kit..
It can be done, but to utilize the power potential, the bottom end needs strengthening. You can make >300whp on a 1.6 with the C30-94. For street use, midrange boost will be much better than the C30-74, but again, top end is going to have a LOT of air pumping. You could restrict the inlet orifice to limit overall boost.
Also it has done 30 000k's (20 000 miles) is it in need of some sort of a rebuild at that mileage?
I bought a used C30-74 Kraftwerks kit, had maybe 5-6K miles on it; I've put almost 30,000 miles on it since installation. As long as the lube is changed at recommended interval, and it's not oversped, it should go a long time. Lube interval is 50,000 miles, along with filter change. The "traction fluid" lubricant is over $100US a quart, takes about 8/10 quart for the system.
Old Apr 19, 2013 | 11:30 AM
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Falcons build was pretty cool, but un-impressive for what it was and for how much it cost. I think in the end he was very disappointed (I gathered this from his numerous threads where he wanted to add a turbo to to it to make more torque, and then he put it up for sale). And this was with a fully built engine, worked valvetrain, cams, no expenses spared, etc.

I bet its ultra reliable though.
Old Apr 19, 2013 | 12:40 PM
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Falcon should sell me his motor.
Old Apr 19, 2013 | 12:54 PM
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I offered to trade him my -74 + $$$ for his -94 several times before he sold it, but it never came to fruition.
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