# Got most of my DIY BBK in today\*WOW\*

**URL:** <https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383>\
**Category:** NYSpeed Automotive\
**Created:** [July 31, 2009, 9:41am UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383 "2009-07-31T09:41:41Z")\
**Posts on this page:** 20\
**Page:** 1

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**Author:** ![sobo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sobo/32/5267_2.png) [@sobo](https://forums.speedlife.net/u/sobo)\
**Post date:** [July 31, 2009, 9:41am UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/1 "2009-07-31T09:41:41Z")

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Needless to say, I’m excited.

Look at these monster calipers(They are Honda Accord wagon calipers, the same as an Integra type R!)

![http://i965.photobucket.com/albums/ae134/alexsobo91/2009-07-31123652.jpg](http://i965.photobucket.com/albums/ae134/alexsobo91/2009-07-31123652.jpg)  
BNIB!

And for comparison:  
 ![http://i965.photobucket.com/albums/ae134/alexsobo91/2009-07-31123732.jpg](http://i965.photobucket.com/albums/ae134/alexsobo91/2009-07-31123732.jpg)

Haha this is gonna be awesome!

Best $230 bucks I spent! (hell I even got new rear rotors and pads for that price!)

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**Author:** ![ericvw7989](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/ericvw7989/32/5070_2.png) [@ericvw7989](https://forums.speedlife.net/u/ericvw7989)\
**Post date:** [July 31, 2009, 9:45am UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/2 "2009-07-31T09:45:11Z")

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cool.

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**Author:** ![nytalonTSi](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/nytalontsi/32/5399_2.png) [@nytalonTSi](https://forums.speedlife.net/u/nytalonTSi)\
**Post date:** [July 31, 2009, 10:22am UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/3 "2009-07-31T10:22:35Z")

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Nice yooz, haha you’ll get that better braking you need with that monster.

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**Author:** ![sobo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sobo/32/5267_2.png) [@sobo](https://forums.speedlife.net/u/sobo)\
**Post date:** [July 31, 2009, 10:26am UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/4 "2009-07-31T10:26:51Z")

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It’s the cooling I really needed, the new rotors I bought(Which aren’t here yet are much thicker and have bigger vents.)

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**Author:** ![Type\_RA-R](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/type_ra-r/32/5244_2.png) [@Type\_RA-R](https://forums.speedlife.net/u/Type_RA-R)\
**Post date:** [July 31, 2009, 11:54am UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/5 "2009-07-31T11:54:30Z")

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Do you need a bigger booster for that setup?

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**Author:** ![95d16turbo](https://avatars.discourse-cdn.com/v4/letter/9/977dab/32.png) [@95d16turbo](https://forums.speedlife.net/u/95d16turbo)\
**Post date:** [July 31, 2009, 12:02pm UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/6 "2009-07-31T12:02:39Z")

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> [@Type RA-R](#):
>
> Do you need a bigger booster for that setup?

probably not a bigger booster, but a bigger master cylinder…

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**Author:** ![sobo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sobo/32/5267_2.png) [@sobo](https://forums.speedlife.net/u/sobo)\
**Post date:** [July 31, 2009, 12:16pm UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/7 "2009-07-31T12:16:01Z")

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I’ve heard people just ran the stock master cylinder.

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**Author:** ![Viper966](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/viper966/32/7268_2.png) [@Viper966](https://forums.speedlife.net/u/Viper966)\
**Post date:** [July 31, 2009, 12:47pm UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/8 "2009-07-31T12:47:22Z")

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its gonna feel pretty much EXACTLY the same… and any improved pedal feel will most likely be due to new fluid or ss lines…

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**Author:** ![deebo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/deebo/32/5218_2.png) [@deebo](https://forums.speedlife.net/u/deebo)\
**Post date:** [July 31, 2009, 2:44pm UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/9 "2009-07-31T14:44:04Z")

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> [@Viper966](#):
>
> its gonna feel pretty much EXACTLY the same… and any improved pedal feel will most likely be due to new fluid or ss lines…

the calipers look almost 50% bigger and the rotors are a lot better

wouldnt it stop better?

and they also won’t be on fire/sparking… which is pretty much the reason he bought new brakes lol

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**Author:** ![66impalass](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/66impalass/32/7429_2.png) [@66impalass](https://forums.speedlife.net/u/66impalass)\
**Post date:** [July 31, 2009, 3:35pm UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/10 "2009-07-31T15:35:46Z")

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> [@deebo](#):
>
> the calipers look almost 50% bigger and the rotors are a lot better
> 
> wouldnt it stop better?
> 
> and they also won’t be on fire/sparking… which is pretty much the reason he bought new brakes lol

No… you are displacing a larger piston. The ratio to master cylinder to calipers is thrown off. You probably will actually lose some feel. BBK kits cost more because of the R&D to keep the displaced volume about the same and increase the sweep area. Also multiple small pistons\>single large floating caliper.

P=F/A, you have the same force and a larger area… you do the math.

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**Author:** ![deebo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/deebo/32/5218_2.png) [@deebo](https://forums.speedlife.net/u/deebo)\
**Post date:** [July 31, 2009, 3:46pm UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/11 "2009-07-31T15:46:33Z")

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so if he were to get a larger master cylinder, for what the brakes are designed for…(integra) would it be better for him to do that?

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**Author:** ![66impalass](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/66impalass/32/7429_2.png) [@66impalass](https://forums.speedlife.net/u/66impalass)\
**Post date:** [July 31, 2009, 4:37pm UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/12 "2009-07-31T16:37:57Z")

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probably, you have to find the ratio of the master cylinder piston to the caliper piston.

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**Author:** ![sobo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sobo/32/5267_2.png) [@sobo](https://forums.speedlife.net/u/sobo)\
**Post date:** [July 31, 2009, 4:54pm UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/13 "2009-07-31T16:54:20Z")

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The real MC for these is 1" but I’m going with a 15/16" upgrade. The current one is like 13/16"s

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**Author:** ![Karter](https://avatars.discourse-cdn.com/v4/letter/k/e480ec/32.png) [@Karter](https://forums.speedlife.net/u/Karter)\
**Post date:** [July 31, 2009, 5:00pm UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/14 "2009-07-31T17:00:26Z")

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also go with stainless steel brake lines, brake upgrades are useless on rubber lines

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**Author:** ![sobo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sobo/32/5267_2.png) [@sobo](https://forums.speedlife.net/u/sobo)\
**Post date:** [July 31, 2009, 5:01pm UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/15 "2009-07-31T17:01:50Z")

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Yeah, well I’m ordering a proportioning valve, the braided lines, a DA integra Brake booster+ integra 15/16" MC.

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**Author:** ![reliant\_turbo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/reliant_turbo/32/7189_2.png) [@reliant\_turbo](https://forums.speedlife.net/u/reliant_turbo)\
**Post date:** [July 31, 2009, 7:49pm UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/16 "2009-07-31T19:49:35Z")

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> [@sobo](#):
>
> The real MC for these is 1" but I’m going with a 15/16" upgrade. The current one is like 13/16"s

how is the 15/16" an upgrade? it will increase the travel and will require less pedal pressure to lock them.

unless the accord rear piston sizes are larger than what you have on the rear of the car, id go with 1"

my car stock is 7/8" and i went with 1 1/8" but i also went with 10mm larger piston calipers and discs in the back (larger piston area than the wheel cyl’s in the drum setup) and the pedal feel is awesome. its stiff but real easy to modulate.

Brian

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**Author:** ![sobo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sobo/32/5267_2.png) [@sobo](https://forums.speedlife.net/u/sobo)\
**Post date:** [July 31, 2009, 9:13pm UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/17 "2009-07-31T21:13:07Z")

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Because 15/16" is what bolts up, and that’s all anyone does on honda-tech.

Also, this may make sense. I have Integra rear brakes and I’m adding Integra front brakes.

The 15/16" MC and brake booster are from an Integra.

Question:  
Are Ebay SS brake lines any good? If not wheres a good spot to grab them for cheap.

Like: [http://cgi.ebay.com/ebaymotors/Stoptech-SS-F-Brake-Lines-Honda-90-91-CRX-DX\_W0QQcmdZViewItemQQ\_trksidZp3286Q2ec0Q2em14QQhashZitem3353d73776QQitemZ220449945462QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories](http://cgi.ebay.com/ebaymotors/Stoptech-SS-F-Brake-Lines-Honda-90-91-CRX-DX_W0QQcmdZViewItemQQ_trksidZp3286Q2ec0Q2em14QQhashZitem3353d73776QQitemZ220449945462QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories)

Or

[http://cgi.ebay.com/ebaymotors/Stainless-steel-brake-Hose-lines-Civic-CRX-Si-SiR-88-91\_W0QQcmdZViewItemQQ\_trksidZp3286Q2ec0Q2em14QQhashZitem1c0b8c6525QQitemZ120452834597QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories](http://cgi.ebay.com/ebaymotors/Stainless-steel-brake-Hose-lines-Civic-CRX-Si-SiR-88-91_W0QQcmdZViewItemQQ_trksidZp3286Q2ec0Q2em14QQhashZitem1c0b8c6525QQitemZ120452834597QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories)

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<div class="post-metadata">

**Author:** ![Viper966](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/viper966/32/7268_2.png) [@Viper966](https://forums.speedlife.net/u/Viper966)\
**Post date:** [July 31, 2009, 11:51pm UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/18 "2009-07-31T23:51:56Z")

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you want ss hoses with a PVC covering over the SS braids… otherwise dirt gets trapped in the braids and can cause them to wear quickly and spring leaks…

it doesnt amtter if they are for sale on ebay, only the brand matters… stoptech is good… noname is generally bad

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**Author:** ![reliant\_turbo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/reliant_turbo/32/7189_2.png) [@reliant\_turbo](https://forums.speedlife.net/u/reliant_turbo)\
**Post date:** [August 1, 2009, 4:42am UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/19 "2009-08-01T04:42:38Z")

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> [@sobo](#):
>
> Because 15/16" is what bolts up, and that’s all anyone does on honda-tech.
> 
> Also, this may make sense. I have Integra rear brakes and I’m adding Integra front brakes.
> 
> The 15/16" MC and brake booster are from an Integra.

that makes total sense. 🙂

Brian

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**Author:** ![Iroc\_Guy76](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/iroc_guy76/32/5150_2.png) [@Iroc\_Guy76](https://forums.speedlife.net/u/Iroc_Guy76)\
**Post date:** [August 1, 2009, 7:13am UTC](https://forums.speedlife.net/t/got-most-of-my-diy-bbk-in-today-wow/71383/20 "2009-08-01T07:13:26Z")

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Good Stuff. :tup:

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