2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Rubber clutch line FC vs FD

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Old 04-29-10 | 09:44 AM
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zoltrixsony's Avatar
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Rubber clutch line FC vs FD

Hi guys, Im wanting to change my soft clutch line to braided ss, and was wondering if the FC and FD lines are the same?
Ive tried researching but couldnt get any definite answers. From what i've gathered the fittings are the same on both ends, but one is longer than the other.
Is this correct?

Thanks, much appreciated.
Old 04-29-10 | 12:32 PM
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That's probably true. For the cost of a new line or a stainless line its worth buying the correct length.
Old 04-29-10 | 12:46 PM
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From: https://www2.mazda.com/en/100th/
lines have different fittings....

FB line works
Old 04-29-10 | 05:23 PM
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dammit.. thats alright.
Thanks guys.
Old 04-29-10 | 06:11 PM
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The Mazdatrix SS braided clutch slave cylinder line for the FC is only $18.
http://www.mazdatrix.com/f-hydral.htm
Old 04-29-10 | 06:35 PM
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Stay with the rubber one. I've heard of engine bay fires that were caused by a failure of an engine ground causing electricity to take a ground path through the SS line instead, heating it enough to cause failure and spillage of brake fluid, which can catch fire if it gets on the wrong things.
Old 04-30-10 | 09:48 PM
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Originally Posted by Gene
Stay with the rubber one. I've heard of engine bay fires that were caused by a failure of an engine ground causing electricity to take a ground path through the SS line instead, heating it enough to cause failure and spillage of brake fluid, which can catch fire if it gets on the wrong things.
I hear that you should also be careful not to swallow apple seeds because an apple tree might start growing out of your stomach.
Old 04-30-10 | 10:09 PM
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Originally Posted by Gene
Stay with the rubber one. I've heard of engine bay fires that were caused by a failure of an engine ground causing electricity to take a ground path through the SS line instead, heating it enough to cause failure and spillage of brake fluid, which can catch fire if it gets on the wrong things.
Oddly, this very thing just happened to me (not in my FC and no fire, thankfully).
Took three hoses and two days before I figured out what was going on.
The problem wasn't a "failed" engine ground though...it was a total lack of an engine ground.
Boy, did we feel stupid.

Originally Posted by Evil Aviator
I hear that you should also be careful not to swallow apple seeds because an apple tree might start growing out of your stomach.
It could happen.
Old 04-30-10 | 11:03 PM
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Originally Posted by clokker
Oddly, this very thing just happened to me (not in my FC and no fire, thankfully).
Took three hoses and two days before I figured out what was going on.
The problem wasn't a "failed" engine ground though...it was a total lack of an engine ground.
Clearly it wasn't a lack of an engine ground, it was the lack of a safe engine ground.
Old 04-30-10 | 11:12 PM
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Originally Posted by farberio
Clearly it wasn't a lack of an engine ground, it was the lack of a safe engine ground.
Semantics...gotta love 'em.

I'd have gone with "real" over "safe" but it's a personal call.
Old 05-01-10 | 01:21 AM
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Originally Posted by Gene
Stay with the rubber one.
thats what she said! sorry its late

Originally Posted by Gene
I've heard of engine bay fires that were caused by a failure of an engine ground causing electricity to take a ground path through the SS line instead, heating it enough to cause failure and spillage of brake fluid, which can catch fire if it gets on the wrong things.
as far as this goes, i find it a bit far fetched but in reality it does seem plausible. but i think the lesson is always check your grounds.

ive been using the SS clutch line from corksport for a few months now and i just feel a lot better knowing its there. the old rubber one is still metal underneath the rubber anyway. IIRC, the rubber is just a cover for the line underneath.

just my 2 cents.
Old 05-01-10 | 07:04 AM
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Originally Posted by duo2999
the old rubber one is still metal underneath the rubber anyway. IIRC, the rubber is just a cover for the line underneath.
There is no metal in a stock hose, it's rubber all the way through.
Old 05-01-10 | 08:16 AM
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Originally Posted by clokker
There is no metal in a stock hose, it's rubber all the way through.
nope. its a mix of some kinda of cloth weave and then rubber on the inside and outside of it.
Old 05-01-10 | 10:22 AM
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Originally Posted by SirCygnus
nope. its a mix of some kinda of cloth weave and then rubber on the inside and outside of it.
Of course there's a sheathing inside, keeps expansion under control but whatever it is, t'ain't metal.
Easily confirmed by putting an ohmmeter to the two metal end fittings...you'll get no continuity through the hose.
Old 05-01-10 | 11:53 AM
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ah well i stand correcty =)
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