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Gtir Motorsport club » Tech room » Help and Advice » Anyone ever delete the brake booster/Servo?

Anyone ever delete the brake booster/Servo?

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1 Anyone ever delete the brake booster/Servo? on 23rd January 2018, 7:47 am

Ryaneg6freak

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A lot of my racing friends are doing this, and to be honest it doesn't feel all that much different from stock, except in really hard braking, provided your master cylinder is sized right.

I love how much space this frees up and how much cleaner it looks. I'd also love to upgrade the clutch master as well and have the Brake master reservoir Serve as the primary reservoir for both, as it shows in one of the pictures (just like BMW likes to do)

Anyone have any experience with doing this? I run 4 piston wilwoods up front and have converted to a 1" master cylinder from a usdm '98 Altima with ABS. Braking performance isn't an issue now, but I'd really like to get rid of the booster.

https://www.chasebays.com/collections/nissan-240sx-silvia-s13-s14-s15/products/chase-bays-brake-booster-eliminator-honda-nissan-mazda-mitsubishi-ae86?variant=33631463177

2 Re: Anyone ever delete the brake booster/Servo? on 23rd January 2018, 4:21 pm

ducie54

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I have done this and it takes alot of work to do right.

3 Re: Anyone ever delete the brake booster/Servo? on 23rd January 2018, 5:55 pm

Ryaneg6freak

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@ducie54 wrote:I have done this and it takes alot of work to do right.

Aye, I'm sure it does. Do you like it?

4 Re: Anyone ever delete the brake booster/Servo? on 23rd January 2018, 8:08 pm

ducie54

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Yes I like how I've set mine up. I'm waiting for LINK to add distance to there software so I can do some testing with abs no and off.

5 Re: Anyone ever delete the brake booster/Servo? on 24th January 2018, 6:58 am

Ryaneg6freak

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So the people I spoke with at Chase Bays, after giving them my setup and vehicle weight, recommended that I go with the Wilwood 13/16" master cylinder, he said that's shown to be the best setup for Nissan cars with upgraded calipers.  I suppose I will have to do some testing and find out for sure.

I've deleted my ABS, so at least I don't have to worry about that.

6 Re: Anyone ever delete the brake booster/Servo? on 24th January 2018, 9:28 pm

gtir_woody

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moderator
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I know you spent alot of time on yours Nigel, do you notice a significant difference? in saying that you did alot more than just the master.

7 Re: Anyone ever delete the brake booster/Servo? on 25th January 2018, 7:35 am

Ryaneg6freak

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@gtir_woody wrote:I know you spent alot of time on yours Nigel, do you notice a significant difference? in saying that you did alot more than just the master.

I also plan to use a Pro-line motorsport internal brake line kit and Wilwood adjustable prop valve, to do a brake line tuck to clean things up a bit.  Most of my original brakes lines look like crap anyway and they've already been removed when I stripped the car to the shell.  I'm one of those people who likes to have an engine compartment you could eat out of.  I've already welded up alot of holes in the firewall and shaved unnecessary things to smooth it all out, and that's where I've stopped, seeing as how I got deployed to Africa lol.  The thought of cleaning things up further with a booster eliminator really appeals to me.

8 Re: Anyone ever delete the brake booster/Servo? on 26th January 2018, 1:50 am

ducie54

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@gtir_woody wrote:I know you spent alot of time on yours Nigel, do you notice a significant difference? in saying that you did alot more than just the master.

With just the front brake upgrade and stock master I got alot of nose dive. It's hard to explain the difference but I have a track day in March I'm hopefull of recording.

9 Re: Anyone ever delete the brake booster/Servo? on 26th January 2018, 6:21 am

gtir_woody

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@ducie54 wrote:
@gtir_woody wrote:I know you spent alot of time on yours Nigel, do you notice a significant difference? in saying that you did alot more than just the master.

With just the front brake upgrade and stock master I got alot of nose dive. It's hard to explain the difference but I have a track day in March I'm hopefull of recording.

Ohhh keen to see how it goes on the track.

10 Re: Anyone ever delete the brake booster/Servo? on 26th January 2018, 7:53 am

Ryaneg6freak

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Did you install an adjustable proportioning valve Nigel? or still using the stock one?

11 Re: Anyone ever delete the brake booster/Servo? on 26th January 2018, 8:03 am

ducie54

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@Ryaneg6freak wrote:
Did you install an adjustable proportioning valve Nigel? or still using the stock one?

I removed the stock unit and using a balance bar with different size masters front and rear.

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