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Old 05-07-2020, 12:29 PM
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ZeGermanHam ZeGermanHam is offline
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Default Question about brake hardline routing

I'm getting ready to plumb the brake and fuel lines on my '66 GTO, and I am making all the lines from scratch for a variety of reasons using copper-nickle tubing.

For the front crossover line that passes underneath the engine, why does the factory route the line around the front of the driver side engine mount? Wouldn't it be simpler to just keep the line on the backside of the crossmember?

Example of factory configuration:

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Old 05-07-2020, 12:52 PM
JC455 JC455 is offline
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They did that for heat clearance on the R/A manifolds. That appears to be the 67 HO/RA brake line kit... I was considering putting one of these on my 64 so I'd had future clearance for the R/A manifolds.
If you are making them yourself, may I suggest possibly routing them across the front of the crossmember, then along the frame rail to the passenger side connection? This may help with heat vs. going right back under the engine again.

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Old 05-07-2020, 01:05 PM
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ZeGermanHam ZeGermanHam is offline
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Hmmm, interesting. I'm planning to use Ram Air Restoration R/A manifolds on my build, too. I'm not so sure about routing along the front of the crossmember, though. Seems like things get a little tight with the steering center link. I haven't yet mocked that up yet to see what clearance will really be like, but my memory is that there wasn't a ton of room there.

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2023 Subaru Crosstrek Limited (daily)
View my photos: Caught in the Wild
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