Rotus Brake Upgrade

[Old Yellow]

I have upload info on the brake upgrade Dennis has offered for the Rotusto the files section of the Rotus Yahoo groups files section.

 

 

 

Joe Worsley

[slngsht]

Thanks Joe.

 

 

 

I'm moving this to the Tech section so it'll be easier to find...

 

 

 

Here are the pics from Yahoo groups:

 

 

 

http://www.usa7s.com/forum/uploads/slngsht/RotusBrakeUpgrade1.jpg

 

 

 

http://www.usa7s.com/forum/uploads/slngsht/RotusBrakeUpgrade2.jpg

 

 

 

http://www.usa7s.com/forum/uploads/slngsht/RotusBrakeUpgrade3.jpgslngsht38712.8409606482

[Hash]

Are these still available?

 

[slngsht]

Hash, Dennis may be able to get some made, but it may not be worth the price.

 

 

 

If you would consider 17" wheels, perhaps what I'm trying to do will be more cost effective, and you'll never need more braking.

 

 

 

I measured the connection points of the Rotus front suspension against my C5 vette, and they're almost an exact match.

 

 

 

C5 vettes come with lightweight aluminum spindles and calipers, and deliver excellent braking performance in a 3200 lb car. It SHOULD work out well in the Rotus.

 

 

 

In terms of pricing, I'm still working on that. I think the spindles are $100 each. calipers can be bought used for about the same price, more for new. Rotors are very cheap - $26 at rockauto.com. a wide variety of wheels are available. You can pick up C5 aluminum "wagon wheels" for about $150 a set.

 

 

 

From there, IF you ever need to upgrade, wilwood sells a six piston kit. I just can't see a 1600 lb car needing that though. You could lock up at 150 http://www.usa7s.com/aspnetforum/images/emoticons/lol.gif

[locostv8]

 

 

Another posibility would be 89 to 92 Tbird spindles.  Deman uses

them on their BEC, with a small amount of whittling.  They come

with 11" brakes and the set I got for Shagnasty cost $35 a side. 

They have 5 on 4.25 bolt circle but Mustang 94 to 04 hubs bolt on and

Mustang GT 11" rotors then fit.

 

 

 

http://wrangler.rutgers.edu/gallery/d/39729-2/deman+ifs+10.jpg" height="427" width="640

 

 

 

http://wrangler.rutgers.edu/gallery/d/39726-2/frontuprights_001.jpg" height="427" width="640

 

 

 

I'm going a step further and cutting more metal off so I can use 99 to 04 aluminum GT PBRs.

 

 

 

http://wrangler.rutgers.edu/gallery/d/39691-2/DSC00356.JPG" height="480" width="640

 

 

 

 

 

http://wrangler.rutgers.edu/gallery/d/39688-2/DSC00354.JPG" height="480" width="640

 

 

 

This then goes along with the Cobra/MN12/Explorer sourced IRS.

 

 

 

http://wrangler.rutgers.edu/gallery/d/39682-2/DSC00350.JPG" height="480" width="640

 

 

 

 

 

http://wrangler.rutgers.edu/gallery/d/39735-2/deman+irs+3.jpg" height="427" width="640

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

locostv82006-08-29 00:24:22

[slngsht]

do you have the dimensions? vertical distance between the A-Arm joints, and vertical distance between the lower A-Arm and the steering rod connection?

[slngsht]

This is what the C5 spindle looks like:

 

http://i3.ebayimg.com/04/i/07/f9/d7/f6_1.JPG

 

If the steering connection is connected from the bottom of the bracket as well, dimensions match the Rotus pickup points pretty close

[locostv8]

 

Here is a good thread on MII suspension. 

>http://www.pro-touring.com/forum/showthread.php?t=17433  I will

try to get to the garage in a bit to get measurements.  Visually

they look the same with tne MN12 1" taller and a lower KPI.

locostv82006-08-29 16:13:20

[locostv8]

MN12 spindle  measurements with yardstick & eyeball

 

8.5 tall

 

2.25 center spindle shaft to bottom

 

3.75 wheel mount surface to line between joints

 

5 steering arm center shaft to tie rod

 

The KPI appears to be a bit less than MII though when the upper hole is machined it could be moved in to lower KPI