We are discussing stainless hydraulic lines here, so chime in or play with your cat. - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

Welcome to Miataturbo.net   Members
 


Suspension, Brakes, Drivetrain discuss the wondrous effects of boost and your miata...

Reply
 
 
 
LinkBack Thread Tools Search this Thread
Old 02-18-2012, 08:56 AM   #21
Elite Member
iTrader: (6)
 
blaen99's Avatar
 
Join Date: Sep 2010
Location: Seattle, WA
Posts: 4,112
Total Cats: 27
Default

Quote:
Originally Posted by vintagerust View Post
I thought it was used to make it easier to assemble at the plant.
This is the only plausible theory I've heard on it. The rest of the theories have a serious flaw in them - why didn't Mazda do it with the RX7 clutch too then, as it uses almost identical clutch components to the Miata and would suffer from substantially worse heating/air/etc. then the Miata.
blaen99 is offline   Reply With Quote
Old 02-18-2012, 10:45 AM   #22
Junior Member
 
Join Date: Mar 2010
Location: Durham, NC
Posts: 409
Total Cats: 19
Default

Quote:
Originally Posted by thegrapist View Post
http://www.ipdusa.com/newsletters/90...er-check-valve

If you can't read that poorly formatted garbage:
"Braided Steel Brake Lines. Myth and Reality
There’s a lot said about rubber lines “swelling” and causing a soft pedal. While this can happen in older cars, it’s not the primary gain from upgraded brake lines. Yes, the Teflon tube wrapped with braided steel has a much lower swell than rubber and textile lines. The firmer pedal that is so immediately apparent is mostly from the smaller inside diameter of the Teflon lines. Since the Teflon is more rigid, you can get away with a smaller diameter without increasing the risk of collapse. This means that you actually need to move less brake fluid to achieve the same application of brakes. The result? A more responsive pedal with greater feedback."

I'm no engineer so I can't verify that, but that seems entirely more likely. Especially since rubber hoses are decently stiff. But I'd rather have an engineer step in and drop some knowledge on us.
That is a giant pile of dumb, you're not filling the brake lines when you push the pedal, they are already filled. Since brake fluid is incompressible (or incompressible enough for it not to matter at these pressures), the amount of brake fluid that is being compressed is irrelevant. The pedal feel improvement is from the rubber not being able to expand, which changes the volume of the lines and would be noticed in the brake pedal.

Running the 949 clutch line, got it while ordering some other stuff purely to get rid of the curly-q.
FatKao is offline   Reply With Quote
Old 02-18-2012, 10:52 AM   #23
Hear me Meow
Thread Starter
iTrader: (3)
 
skidude's Avatar
 
Join Date: Apr 2008
Location: Outside Portland Maine
Posts: 1,994
Total Cats: 13
Default

I thought the curly-q was so the hard line could flex without breaking, like how a lot of cars have similar curls for brake hardlines.
skidude is offline   Reply With Quote
Old 02-18-2012, 11:44 AM   #24
Elite Member
iTrader: (21)
 
Join Date: Jun 2007
Location: Rochester, NY
Posts: 5,689
Total Cats: 560
Default

Quote:
Originally Posted by skidude View Post
I thought the curly-q was so the hard line could flex without breaking, like how a lot of cars have similar curls for brake hardlines.
After reading several threads over on m.net (lack of logical thought, anyone?), I agree that this is the most probable explanation. Slave is mounted to the tranny, and rotates about the centerline of the engine (approximately) when the engine is revved. So, to prevent a stress crack, the curl is put in to absorb the flex/displacement.
rleete is offline   Reply With Quote
Old 02-18-2012, 12:01 PM   #25
Murderator
iTrader: (76)
 
18psi's Avatar
 
Join Date: Apr 2008
Posts: 36,199
Total Cats: 2,584
Default

/\ so far that is the most logical thing I've heard about it too.
18psi is offline   Reply With Quote
Old 02-18-2012, 12:34 PM   #26
Elite Member
iTrader: (2)
 
Join Date: Jan 2007
Location: Los Angeles, CA
Posts: 8,782
Total Cats: 119
Default

Quote:
Originally Posted by skidude View Post
I thought the curly-q was so the hard line could flex without breaking, like how a lot of cars have similar curls for brake hardlines.
Oh.

I thought the curly cue was there so when you pull the motor and trans without disconnecting the slave, there's some slack in the line to travel a ways before you notice it.
Faeflora is offline   Reply With Quote
Old 02-18-2012, 08:00 PM   #27
Junior Member
 
Join Date: Aug 2009
Location: Lake Jackson, TX
Posts: 161
Total Cats: 3
Default

Quote:
Originally Posted by vintagerust View Post
I thought it was used to make it easier to assemble at the plant.
Quote:
Originally Posted by skidude View Post
I thought the curly-q was so the hard line could flex without breaking, like how a lot of cars have similar curls for brake hardlines.
The explanation that I had heard was a combination of these two. Basically, something needed to be added to absorb the twisting and flexing. A rubber flex hose would be fine on its own, but it would have been harder to assemble at the factory, so the curly bit was added to change the position where the flex line had to be attached, in order to make assembly quicker and easier along the assembly line.
jnshk is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Project Gemini - Turbo Civic on the Cheap Full_Tilt_Boogie Build Threads 59 12-15-2017 09:00 PM
Back to Stock Part Out!! Turbo Parts, MS2 Enhanced 01-05, Suspension, and MOAR! StratoBlue1109 Miata parts for sale/trade 16 10-02-2015 10:39 AM
ISO 1.6 turbo cast iron manifold cale saurage DIY Turbo Discussion 16 10-01-2015 12:25 PM
Time to start learning and play with tuning The Gleas MEGAsquirt 3 10-01-2015 10:30 AM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 04:11 AM.