adam1985
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| posted on 6/5/08 at 09:19 PM |
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brake system
is there a certain way i should route my brake pipes through the transmission tunnel and fuel pipes for that matter does anyone have any pics i can
have a look at think this is this weekends job also i have discs on the back does this mean i need two master cylinders
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BenB
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| posted on 6/5/08 at 09:27 PM |
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I think it's normal to make sure the fuel pipes and brake pipes are well seperated. And of course you'll need to make sure they're
secured at appropriate spacings for SVA...
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BenB
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| posted on 6/5/08 at 09:28 PM |
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And discs on the back does'nt definately mean twin MCs (ie a bias bar setup). For track use it'se useful. For road use it's not that
important. You can always run a single MC but run a brake biasing valve to adjust the front / rear balance....
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Guinness
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| posted on 6/5/08 at 09:31 PM |
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If you imagine the tunnel as a rectangle, I put the brake lines along the bottom, drivers side, the fuel line along the bottom passenger side and the
wiring loom along the top rail on the drivers side.
HTH
Mike
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bassett
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| posted on 6/5/08 at 09:31 PM |
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My fuel pipe and brake pipes are quite close together i thought that they had to be seperate from the wiring so can be close. Use rivets and p clips
to keep the pipes away from the chassis MNR recommend every 6 inches which is what ive done but i think for SVA its 30cm but check first. Lay the fuel
pipe first as its far less bendy than brake pipe, then fit the brake pipe round the fuel lines. If your bored there are loads of pics in my blog(feb)
below 
Adam
[Edited on 6/5/08 by bassett]
My MNR Blog Updated Jan 2010 - Track Day Prep Begins!
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adam1985
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| posted on 6/5/08 at 09:34 PM |
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cool that should save me abit of money then wanna get the stuff ordered so i can get going with it just dont really know what im goin need any clues
anyone i have got a roll of nickel-copper pipe and a load of rubber coated metal clips oh an the old sierra m/s just what fittings will i need
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indykid
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| posted on 6/5/08 at 10:05 PM |
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M10x1 for all the unions.
tom
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ReMan
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| posted on 6/5/08 at 10:13 PM |
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There's no right way. Brake and fuel are no problem together. Ther is a train of thought that suggests wiring should be kept away from fuel, but
try telling that to an in tank fuel pump!!
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Rosco
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| posted on 7/5/08 at 11:50 AM |
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It's probably good practice to have some distance between the fuel / brake lines and the wiring but the risk of a fire is low. You'd
need a simultaneous fuel leak and wiring fault which was arcing - a bit unlikley in normal driving but possible off road or in an accident, I guess.
But even then 2", 3", 6", 10" between fuel line and wiring probably isn't going to make much difference if the system is
still under pressure, 'though it may be enough to reduce the probability of a simulaneous failure.
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Bluemoon
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| posted on 7/5/08 at 12:05 PM |
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I doubt it makes any difference how the fuel and electrics are separated, all you need is petrol vapor trapped in the tunnel (i.e. fuel leak and
stationary after a crash), and as source of ignition (spark/something very hot etc)... I would be more worried about the fuel tank at the back of the
car spilling petrol every where after someone "didn't see you"...
Don't quote me but from my memory there is nothing in the SVA manual about fuel/breaks/electrics separation in the tunnel.. Individual
inspectors might have a preference, but I think that's it..
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Vindi_andy
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| posted on 8/5/08 at 09:03 AM |
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Fixing clip spacing is 150mm ie 6 inches as per SVA
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