Brake NEWBS "must read"

[GregWeld]

@NIN

The side by side dual MC has a significant difference over a dual inline MC.... because of two rather simple reasons...

The side by side version uses a BALANCE BAR to adjust the bias. So the SBS system can use a smaller bore making more pressure and stroke is VERY IMPORTANT... to the overall feel of the system.

For comparison sake - a 1" bore MC will give the same brake system a "hard pedal" --- while a 7/8" MC will have a "softer pedal".... BOTH will be adequate to stop a big brake car... so NOW we're discussing the FEEL of the pedal rather than the most mathematically correct version. The 1" will need more "input" than the 7/8 in order to apply the same pressure... but they'll both be fine depending on the feel you want. A NEWB would not know this -- and might be real unhappy going from a Pwr/B system to their new big brake manual system and then discover the 'effort' and feel isn't what they wanted/expected (I find this the MOST COMMON issue). Had they gone to a 7/8 - they'd have been happier (less effort - more stroke). Unfortunately the article (if I can remember) doesn't address that kind of info and a newd wouldn't get that out of doing the "math". But that's why we need experts like Tobin at Kore3 and Wilwood and Baer...

However - if they read the article and did the math -- they (the newb) most likely would have chosen the smaller bore MC and ended up with a system that was plenty adequate given all the other parts were also chosen correctly. How many guys do you know - do a small block chevy and then ASSume that a 750 cfm carb is the best choice - because that's what everyone else is running.... THEY have no clue that there may be some simple math they could have done that would have pointed them to a 650 and the overall 'system' would have performed better had they learned the simple rules....

That is why the article is for NEWBS and is a starting point for some very basic information that gets asked here - and in every other forum constantly... it will answer some questions.