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Old 08-07-2019, 04:12 PM   #1
roflcopter
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Default 140 Series Brake Upgrade Options

I've been looking into options for ditching the stock brakes (and physical throttle linkage) in the 144 racecar. Looking at dual master cylinder pedal boxes with real proportioning and throttle cable provisions.

The pedal box isn't the hard part (measure and find one that fits and mount it) but I was wondering if anyone had seen/made brackets to adapt on a set of modern motorsport calipers. Rotors shouldn't be too hard, planning to get aluminum hats made with the right bolt pattern and hat height, rings are dime a dozen.

So... anyone already been down this path?
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Old 08-07-2019, 05:56 PM   #2
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Someone on the board is looking in to having brackets made to use Wilwood calipers with 164E vented front rotors.
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Old 08-07-2019, 06:56 PM   #3
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Someone on the board is looking in to having brackets made to use Wilwood calipers with 164E vented front rotors.
Oh really...
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Old 08-07-2019, 07:06 PM   #4
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We're sending a spindle, hub and rotor to his machinist who's going to take measurements and design a bracket. Hopefully he'll announce a group buy when the design is finalized and they're ready to be made.
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Old 08-07-2019, 11:11 PM   #5
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We're sending a spindle, hub and rotor to his machinist who's going to take measurements and design a bracket. Hopefully he'll announce a group buy when the design is finalized and they're ready to be made.
This is great news.
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Old 08-07-2019, 11:26 PM   #6
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Perfect! I’ll definitely be interested when that comes along.
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Old 08-08-2019, 02:06 PM   #7
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I need this!
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Old 08-11-2019, 07:56 AM   #8
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We're sending a spindle, hub and rotor to his machinist who's going to take measurements and design a bracket. Hopefully he'll announce a group buy when the design is finalized and they're ready to be made.
This sound very pleasant.

Do you stock new 164E vented rotors? They are not easy to find on this side of the pond.
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Old 08-11-2019, 01:08 PM   #9
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VP has the rotors for a very reasonable price although they're only sold in pairs and the price is for 1.

http://212.247.61.152/US/main.aspx?p...e&artno=270735

Depending on where you are in the world it might cost less for shipping if you order from their Swedish site.

http://vp-autoparts.se/main.aspx?pag...e&artno=270735
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Old 08-11-2019, 01:20 PM   #10
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CVI and Skandix have them too.
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Old 08-11-2019, 08:57 PM   #11
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Thanks gents.
The local Brembo dealer here dropped these from their range.
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Old 08-15-2019, 09:02 AM   #12
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VP has the rotors for a very reasonable price although they're only sold in pairs and the price is for 1.
I'm thinking about this upgrade for my '71 142E. I assume he 164 ventilated rotors are direct bolt-on compatible - yes? If going this route, would these likely work with the stock calipers or does the 164 use larger calipers?
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Old 08-15-2019, 09:35 AM   #13
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*Wider* ATE calipers not Girlings for solid.
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Folks on here don't know a good deal when they see it.
how psi stock cna support?

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Old 08-15-2019, 08:15 PM   #14
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How heavy are 164E vented rotors compared to more modern rotors?
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Old 08-15-2019, 08:26 PM   #15
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How heavy are 164E vented rotors compared to more modern rotors?
They are *modern* vented rotors.

Unless you can find some NOS OG rotors that are decent metal.
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Old 08-16-2019, 11:38 AM   #16
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OK I guess I'll have to try a different approach here. Might want to use these on the 1800 racing car - anyone know how much these rotors actually weigh?
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Old 08-16-2019, 11:52 AM   #17
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Probably very close in weight to the 240 vented rotors since they were their precursors.
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Old 08-16-2019, 12:19 PM   #18
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164 vented disc with 240 vented caliper, only have to redrill hole for bolt in calipers, and direct bolt on
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Old 08-16-2019, 12:26 PM   #19
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Quote:
Originally Posted by Redwood Chair View Post
Probably very close in weight to the 240 vented rotors since they were their precursors.
Thanks, comparing online photos the 164E and 240 rotors both do look a lot alike except the hat on the 164E rotor which is taller like the 120, 140, 1800E.
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Old 08-16-2019, 12:33 PM   #20
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Quote:
Originally Posted by vintagewrench View Post
OK I guess I'll have to try a different approach here. Might want to use these on the 1800 racing car - anyone know how much these rotors actually weigh?
164 rotors have a 5x108 bolt pattern so they may not be your best option. If they're allowed, you should look into getting the Brick Autosport Wilwood brake upgrade for the race car.

https://forums.tbforums.com/showthread.php?t=282376


The 240 rotor weighs 11 lbs 9 oz and the 164 rotor is 15 lbs 6 oz.


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164 vented disc with 240 vented caliper, only have to redrill hole for bolt in calipers, and direct bolt on
Except for the metric fittings. Now you need to make custom hoses and pipes.

Last edited by hiperfauto; 08-16-2019 at 01:23 PM..
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Old 08-16-2019, 03:41 PM   #21
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no, direct fit cause 10x100 hoses, i know i have this setup on my race car
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Old 08-16-2019, 04:26 PM   #22
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I'd double check the threads and fittings if I were you. Especially on a race car.

140's (and 164's) use 3/8"-24 inverted flare fittings. 240's use M10-1.0 bubble flare fittings. The threads are close enough that you can screw a 3/8" male fitting or hose end into a M10 threaded port but it's a loose fit.

You may have been able to tighten the inverted flare fitting enough so that it doesn't leak in the bubble flare port but it ain't right.
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Old 08-16-2019, 11:17 PM   #23
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Maybe something like this will be helpful:

http://forums.tbforums.com/showthread.php?t=65962
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Old 08-17-2019, 02:29 AM   #24
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Quote:
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anyone know how much these rotors actually weigh?

7.5 kilograms each, not including the hub.
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Old 08-17-2019, 03:16 PM   #25
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Have any of you guys tried sport brake pads? The stock brakes are really great on a 140 series unless you are racing. Having sport brake pads, some drilled or slotted rotors, and stainless flex lines will give you incredible brakes for the street. Use a good DOT4 brake fluid as well.

The next stop in my experience would be to follow the suggestions above to use vented rotors. But that would only be needed for racing or lots of mountain driving in my opinion.
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