Brake tuck kit using compression fittings
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Honda-Tech Member
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From: Canada
Brake tuck kit using compression fittings
Hey guys
I've been looking around at a bolt-in brake tuck kit, and I came across Finishing Lines
For the CRX/EF, the instructions are to cut the rear hard lines in the cabin, and use a compression fitting. I've never heard of this before... I've used compression fittings in plumbing before.
Is this a good usage of a compression fitting? Has anyone used these kits?
https://finishing-lines.com/epages/8...FCRX_8891_Civc
I've been looking around at a bolt-in brake tuck kit, and I came across Finishing Lines
For the CRX/EF, the instructions are to cut the rear hard lines in the cabin, and use a compression fitting. I've never heard of this before... I've used compression fittings in plumbing before.
Is this a good usage of a compression fitting? Has anyone used these kits?
https://finishing-lines.com/epages/8...FCRX_8891_Civc
Honda-Tech Member
Joined: Sep 2008
Posts: 182
Likes: 6
From: NJ
Re: Brake tuck kit using compression fittings
You are right to question this. Compression fittings tend to leak at high temperatures and can't withstand the kind of lateral load or vibration that the hard lines in your car are subject to on a regular basis. In fact it's actually illegal to have compression fittings in your brake hardware in several states. Way back in the day it was common practice amongst drivers of commercial vehicles to use them to patch up hard line leaks, and on one too many occasion the fitting failed, leading to a total loss of hydraulic pressure.
In general though I'm not sure why you'd use a kit like this. Metal hard lines are extremely durable and have a long service life. Braided metal hydraulic hoses look like they would last forever but have a fairly short life span. For example it's common for aftermarket stainless steel brake lines to develop leaks or swells after 5-10 years, even with regular maintenance. A lot of them come with lifetime warranties and the flexible lines on the corners of the car are easy to replace so it isn't as big a deal. But it would be really annoying to have to re-do the brake lines in the chassis on a regular basis.
In general though I'm not sure why you'd use a kit like this. Metal hard lines are extremely durable and have a long service life. Braided metal hydraulic hoses look like they would last forever but have a fairly short life span. For example it's common for aftermarket stainless steel brake lines to develop leaks or swells after 5-10 years, even with regular maintenance. A lot of them come with lifetime warranties and the flexible lines on the corners of the car are easy to replace so it isn't as big a deal. But it would be really annoying to have to re-do the brake lines in the chassis on a regular basis.
Re: Brake tuck kit using compression fittings
Agreed. Compression fitting to get your hard line fixed well enough to get you home? Sure. As a permanent installation? No way.
Soft lines for brakes on a street car are a terrible terrible idea in my opinion too. On a race car that sees limited mileage and has a high rate of inspection they are fine, but anywhere where extended life is expected is just not worth the hassle.
Soft lines for brakes on a street car are a terrible terrible idea in my opinion too. On a race car that sees limited mileage and has a high rate of inspection they are fine, but anywhere where extended life is expected is just not worth the hassle.
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