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Author: Subject: Powerlites
Gaz4562

posted on 17/2/15 at 07:51 PM Reply With Quote
Powerlites

Would willwood powerlites with the 1" Pistons be adequate on the front of a mk Indy, mostly road use.
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Ben_Copeland

posted on 17/2/15 at 08:59 PM Reply With Quote
More than enough! I have the power lite solid disc ones on mine





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Gaz4562

posted on 17/2/15 at 10:17 PM Reply With Quote
I think so as well. But rally design reckon I'd need the bigger piston size, which seems over kill.
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INDY BIRD

posted on 17/2/15 at 10:21 PM Reply With Quote
No should be ok I have had them on a zx12 blackbird, zzr1100 and and zx10 turbo all no problem

If that helps

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Tatey

posted on 17/2/15 at 10:22 PM Reply With Quote
I think you should ask them if they won't be man enough for a light weight MK Indy, why exactly are they man enough for?
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Gaz4562

posted on 17/2/15 at 11:44 PM Reply With Quote
They said rear brakes on a track car.
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theduck

posted on 17/2/15 at 11:55 PM Reply With Quote
They recommend on their site a maximum vehicle weight of 750kg, assuming that is based on the largest piston area, and use on the front of the car, and that the figure of 750kg is accurate, then it would seem they have a point. However, I can't find anyone else quoting that figure.

Just to add, is there any reason against the larger piston diameter? I assume the weight difference is negligible and I can't see on their site that their is any price differences?

[Edited on 17/2/15 by theduck]

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Ben_Copeland

posted on 18/2/15 at 07:28 AM Reply With Quote
http://www.rallydesign.co.uk/product_info.php?cPath=1375_1376_1378&products_id=10508

That's the set you should be ordering. No mention of bore size !





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Gaz4562

posted on 18/2/15 at 07:36 AM Reply With Quote
There was someone selling a unused pair for 150
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motorcycle_mayhem

posted on 18/2/15 at 10:34 AM Reply With Quote
I'm with RMD's viewpoint, 1" should be on the rear of a track car, 1.3-4 should be on the front. That's my real life experience, worth nothing, but a viewpoint nonetheless. The Powerlite has been a superb lightweight caliper, keen pricing too, used them on both the W/field and R1oT.

Obviously changing the m/cylinder bore size(s) will get anything working (within reason).

RMD's dual thingy is (from memory) 1", I've run the Triumph dual thingy which came out a .75" each. With a proper individual dual cylinder set-up, usually .7-.75". depending on what 'feel' you're after.

These were all fitted to various underpowered lightweight BEC's, with some good laptimes.

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