Lower Cost BIG BRAKES Option! - LotusTalk - The Lotus Cars Community
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post #1 of 40 (permalink) Old 01-03-2016, 06:53 AM Thread Starter
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Lower Cost BIG BRAKES Option!

Following the success of "Lower Cost Bilstein Option" thread,
I thought we can combine all the information on Esprit brakes conversions here.
Please include
Model Year,
technical tips,
part sources,
brand names and prices.

Last edited by MRDANGERUS; 01-03-2016 at 07:20 AM.
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post #2 of 40 (permalink) Old 01-03-2016, 06:58 AM
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Need to define "low cost"... and will be variations dependent on year.

Mine being a 1994 means modificitions/part swapping..

For me it took many months, requirements being needed to be OEM if at all possible.
- Brembo brakes from later model Esprit (AP Racing too difficult to locate).
- Custom caliper bracket from SJ Motorsports UK
- SS Lines
- If cannot find front hubs, Brembo brakes require different 58 vs 60 mm, then have to get existing hubs machined like I am

All in cost around $1200

Kenny; Dallas Tx
==============================
1995 Lexus SC300 - SOLD
1990 Nissan 300ZX - SOLD
1990 Nissan 300ZX Twin Turbo - SOLD
1996 Porsche 911 Cab - SOLD
1989 Porsche 928 S4 - SOLD
1994 Lotus Esprit S4
Test pipe, Ramspott & Brandt center exit exhaust, 2002 center exhaust valance, Alunox performance exhaust manifold, Spax coilovers with Eibach front springs, Elise steering wheel
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post #3 of 40 (permalink) Old 01-04-2016, 06:36 AM
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I too went with a factory Brembo upgrade on my 94 S4 with Toyota brakes. I was able to get everything from a member on the esprit mailing list on yahoo. I had the hubs machined, each caliper rebuilt and powder coated. All in all it was 1800 installed. Great upgrade!


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post #4 of 40 (permalink) Old 01-04-2016, 10:41 AM
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Quote:
Originally Posted by MidLifeZ View Post
- If cannot find front hubs, Brembo brakes require different 58 vs 60 mm, then have to get existing hubs machined like I am
I seriously doubt you can machine the Toyota-style hubs to match the Brembo-style hubs.

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post #5 of 40 (permalink) Old 01-04-2016, 11:15 PM
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I have no connection, but discussed this on another thread regarding the quality - seems OK for a Wilwood big brake kit. Requires 17" wheels and supposedly for 1988-93 Esprit. Currently $949 Buy It Now with free USA address shipping. Not sure if I'd call that 'low cost':

Big Brake Kit Lotus Esprit 13" 4 Piston Wilwood Calipers | eBay

In this thread, note the comment about the kit mounting on OUTSIDE of hub - that affects the wheel offset - a non-trivial issue depending on what you are doing.

https://www.lotustalk.com/forums/f164...2/#post2305354

Eddie B
87 Esprit 'SLEEK GT'

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post #6 of 40 (permalink) Old 01-05-2016, 05:37 AM
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Why do you need bigger brakes?

If you're experiencing fade, consider a different pad - the cars which came with the bigger brakes weighed substantially more which necessitated the larger setups.

You'd be amazed what a really sticky tire and a proper pad (carbotech comes to mind) will do for stopping power, without adding needless extra weight.

The only thing you're going to do with more horsepower is go faster.
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post #7 of 40 (permalink) Old 01-05-2016, 10:21 AM
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This is that Wilwood kit installed.

The rotor being solid does add weight but the caliper weighs one third of the Toyota caliper. All in all its a wash on weight, while increasing rotor thickness and diameter as well as clamping force of the caliper.
Wilwood has many combinations of hats and rotors that would weigh less than the solid rotor that comes with the kit. Rotors and pads are consumables so changing to a lighter weight rotor/hat combination down the road is an option.
Do you need bigger brakes? Tracking the car on a regular basis maybe, but probably not, especially if your just screwing up your bias by putting 6 pots and large rotors on the front and leaving (in the 88s case) single pot-non vented rotors on back.

We're all better off by decreasing the overall weight of the car.

The caliper supplies the clamping force.

The rotor thickness absorbs and dissipates the heat.

The rotor diameter applies the leverage.
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post #8 of 40 (permalink) Old 01-08-2016, 05:19 AM
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Quote:
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I seriously doubt you can machine the Toyota-style hubs to match the Brembo-style hubs.
Sports Car World in Dallas, AKA Regogo Racing, are magicians!

They pulled the hubs, machined them to size and drilled and tapped for the Brembo roto, in their machine shop and viola!

Bracket was bought from SJ in the UK.
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Kenny; Dallas Tx
==============================
1995 Lexus SC300 - SOLD
1990 Nissan 300ZX - SOLD
1990 Nissan 300ZX Twin Turbo - SOLD
1996 Porsche 911 Cab - SOLD
1989 Porsche 928 S4 - SOLD
1994 Lotus Esprit S4
Test pipe, Ramspott & Brandt center exit exhaust, 2002 center exhaust valance, Alunox performance exhaust manifold, Spax coilovers with Eibach front springs, Elise steering wheel
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post #9 of 40 (permalink) Old 01-08-2016, 11:51 AM
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PNM has several options from upgraded disc sizes in single piece and two piece for all versions of Esprits! I am currently looking into upgrading my 99 Esprit front brakes to PNM's larger diameter front rotor upgrade with stock Brembo calipers. Their kit comes with 12.7" rotors with a spacer for the Brembo caliper to clear and work with the larger diameter rotor. Great affordable option. I am also looking at the 12.6" upgraded rear rotors and brackets! Both sets combined are about $1250 plus shipping...
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post #10 of 40 (permalink) Old 01-08-2016, 03:14 PM
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It all depends on what MY your talking about.
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post #11 of 40 (permalink) Old 01-09-2016, 05:17 AM
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Of course it depends on the model year! If you have a Toyota inboard front brake set up, there are several options. PNM offers options for every model Esprit from G cars to the AP setup on the post 99 V8's. Lotus Prepared by Claudius offers several options also. I have seen a Wilwood kit on ebay with "13". " rotors and 4 piston calipers for Toyota equipped Esprit's for $949. Most of the quality options are $1000 and up, but that is very reasonable considering the upgrade kit of just 13.5" rotors for my Aston Martin were $2199! I have contacted PNM and will discuss options on Monday. Hopefully I can have something to install on the next few weeks and post some pictures and results.

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post #12 of 40 (permalink) Old 01-09-2016, 08:12 AM
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Quote:
Originally Posted by jfitz981 View Post
I too went with a factory Brembo upgrade on my 94 S4 with Toyota brakes. I was able to get everything from a member on the esprit mailing list on yahoo. I had the hubs machined, each caliper rebuilt and powder coated. All in all it was 1800 installed. Great upgrade!


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Sanj, as he did is what I did...

Kenny; Dallas Tx
==============================
1995 Lexus SC300 - SOLD
1990 Nissan 300ZX - SOLD
1990 Nissan 300ZX Twin Turbo - SOLD
1996 Porsche 911 Cab - SOLD
1989 Porsche 928 S4 - SOLD
1994 Lotus Esprit S4
Test pipe, Ramspott & Brandt center exit exhaust, 2002 center exhaust valance, Alunox performance exhaust manifold, Spax coilovers with Eibach front springs, Elise steering wheel
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post #13 of 40 (permalink) Old 01-09-2016, 09:30 AM
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When I ordered the SS brake lines from SJ Motorsports I went ahead and bought new pads and went with the ones they recommended which are EBC Greenstuff. Now some on the UK Lotusforum.com are saying bad, bad choice?

Kenny; Dallas Tx
==============================
1995 Lexus SC300 - SOLD
1990 Nissan 300ZX - SOLD
1990 Nissan 300ZX Twin Turbo - SOLD
1996 Porsche 911 Cab - SOLD
1989 Porsche 928 S4 - SOLD
1994 Lotus Esprit S4
Test pipe, Ramspott & Brandt center exit exhaust, 2002 center exhaust valance, Alunox performance exhaust manifold, Spax coilovers with Eibach front springs, Elise steering wheel
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post #14 of 40 (permalink) Old 01-09-2016, 10:42 AM
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Yes Artie, that was the picture I posted, the Wilwood kit.
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post #15 of 40 (permalink) Old 01-09-2016, 11:24 AM
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Front and rear brake package.
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post #16 of 40 (permalink) Old 01-11-2016, 08:18 PM Thread Starter
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post #17 of 40 (permalink) Old 01-12-2016, 09:40 AM
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Quote:
Originally Posted by MRDANGERUS View Post
Here is a Classic!

Excellent step-by-step set of pictures of Travis Brembo conversion

https://picasaweb.google.com/1161132...boRacingBrakes

Over 300 pictures!
.
This is the thread where these were discussed with more context
https://www.lotustalk.com/forums/f164...design-101381/

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post #18 of 40 (permalink) Old 01-12-2016, 11:45 AM
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Quote:
Originally Posted by MidLifeZ View Post
Sports Car World in Dallas, AKA Regogo Racing, are magicians!

They pulled the hubs, machined them to size and drilled and tapped for the Brembo roto, in their machine shop and viola!

Bracket was bought from SJ in the UK.
Picked up from shop today, pads not bedded in as yet so not much to comment on. They feel better than old toyota ones and glad to see there is a way to put later model Brembo calipers and discs on without having to source later model hubs!

Kenny; Dallas Tx
==============================
1995 Lexus SC300 - SOLD
1990 Nissan 300ZX - SOLD
1990 Nissan 300ZX Twin Turbo - SOLD
1996 Porsche 911 Cab - SOLD
1989 Porsche 928 S4 - SOLD
1994 Lotus Esprit S4
Test pipe, Ramspott & Brandt center exit exhaust, 2002 center exhaust valance, Alunox performance exhaust manifold, Spax coilovers with Eibach front springs, Elise steering wheel
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post #19 of 40 (permalink) Old 01-12-2016, 11:58 AM
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Quote:
Originally Posted by MidLifeZ View Post
Sports Car World in Dallas, AKA Regogo Racing, are magicians!

They pulled the hubs, machined them to size and drilled and tapped for the Brembo roto, in their machine shop and viola!

Bracket was bought from SJ in the UK.
Do you have a picture of the hub without the rotor installed? I still can't understand how you could machine the Toyota style hub down for a rotor that fits over the outside, unless the wheel is now further out, or the hub face is really thin.

Sanj's Esprit Turbo SE pages are missing -- PM me if you need ALDL cables, Tech-1's or memcal services.
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post #20 of 40 (permalink) Old 01-12-2016, 01:04 PM
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Quote:
Originally Posted by Sanj View Post
Do you have a picture of the hub without the rotor installed? I still can't understand how you could machine the Toyota style hub down for a rotor that fits over the outside, unless the wheel is now further out, or the hub face is really thin.
I will try and take and post photos this weekend. The wheels are pushed out a bit, maybe 2mm or so. No rubbing at all.

Kenny; Dallas Tx
==============================
1995 Lexus SC300 - SOLD
1990 Nissan 300ZX - SOLD
1990 Nissan 300ZX Twin Turbo - SOLD
1996 Porsche 911 Cab - SOLD
1989 Porsche 928 S4 - SOLD
1994 Lotus Esprit S4
Test pipe, Ramspott & Brandt center exit exhaust, 2002 center exhaust valance, Alunox performance exhaust manifold, Spax coilovers with Eibach front springs, Elise steering wheel
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