Is $1k too much for charge pipes?
That's what I got quoted for labor and material, and I'm wondering if it's a decent price.
Welding aluminum is certainly not in my skill set, so I gotta source this work out, but, am I being overcharged? |
Good shops should be around $100-150/hr, which means they quoted you ~6hrs labor. That’s 3/side without any material, couplers, clamps, fittings, etc. I’d say that’s very reasonable, as long as you’re happy with the finished look, quality, and fitment. Make sure you go in with as much detail to what you want as possible. Nothing worse than giving no details then pointing out everything you’d do differently once it’s done.
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Originally Posted by alik
(Post 1550736)
That's what I got quoted for labor and material, and I'm wondering if it's a decent price.
Welding aluminum is certainly not in my skill set, so I gotta source this work out, but, am I being overcharged? |
Thanks, curly!
Exactly what I wanted to hear! I've seen guy's work, and it's outstanding. Thanks for the info!
Originally Posted by curly
(Post 1550739)
Good shops should be around $100-150/hr, which means they quoted you ~6hrs labor. That’s 3/side without any material, couplers, clamps, fittings, etc. I’d say that’s very reasonable, as long as you’re happy with the finished look, quality, and fitment. Make sure you go in with as much detail to what you want as possible. Nothing worse than giving no details then pointing out everything you’d do differently once it’s done.
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Seems cheap to me.
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Originally Posted by TurboTim
(Post 1550758)
Seems cheap to me.
Proper pipe fitting is time consuming, so is proper aluminum prep to weld. The amount of welding gas you use on tig machine is pretty astounding too. I go through 85 cf bottles @ 2500 psil ike nothing. |
Originally Posted by patsmx5
(Post 1550753)
FWIW I don't have a TIG welder, but I do have a cheap flux core welder and I made my intercooler pipes with steel tubing and welded them myself. They turned out great. If you can MIG weld then that could be a good option. If you can't, well learning on thin wall steel tubing would be difficult so probably a bad idea.
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why not use existing intercooler piping solutions like flyin miata or cxracing at half the cost?
or diy the piping with a universal 2" and 2.5" pipes and bends? i have a modified cxracing setup with 6 clamps and never had boost leaks |
Originally Posted by Schroedinger
(Post 1550852)
What spec steel tubing did you use, and where did you get it? Did you just use exhaust pipe? Were you able to buy off-the-shelf mandrel bent 90’s? This seems like a nice idea, I’m getting tired of boost leaks and the total weight difference can’t be more than 5lb compared to aluminum.
https://i.imgur.com/luPKbedl.jpg https://i.imgur.com/bsEFOoTl.jpg |
Originally Posted by patsmx5
(Post 1550857)
I bought the tubing from mandrel-bends.com Just a bunch of 2.5" OD steel tubing, all off the shelf stuff and cut and welded it into what I needed. First pic you can see a couple weld beads at the top where I welded it together. Painted it after so it don't rust and looks nice. They hold 40 PSI no leaks no problems, so works good.
Did you coat the inside of the pipes in any way? I'd be worried about non-stainless steel rusting over time and dropping flakes of rust etc into the engine. |
Originally Posted by borka
(Post 1550854)
why not use existing intercooler piping solutions like flyin miata or cxracing at half the cost?
or diy the piping with a universal 2" and 2.5" pipes and bends? i have a modified cxracing setup with 6 clamps and never had boost leaks |
Originally Posted by hks_kansei
(Post 1550858)
Looks tidy.
Did you coat the inside of the pipes in any way? I'd be worried about non-stainless steel rusting over time and dropping flakes of rust etc into the engine. |
Originally Posted by patsmx5
(Post 1550915)
I didn't. I've run steel pipes in the past for years with no observable rust, so it wasn't an issue.
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Originally Posted by Schroedinger
(Post 1550952)
I would think the oil/gas vapor from the motor and turbo would do a pretty good job inhibiting rust.
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you should not have oil or gas in the charge pipe. Oil isnt good for detonation prevention and gas sounds like an opportunity for a top fuel supercharger type explosion.
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Draining oil out of bmw intercoolers is practically SOP for oil changes. There’s oil in there, maybe not BMW levels, but it’s there.
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Originally Posted by curly
(Post 1550969)
Draining oil out of bmw intercoolers is practically SOP for oil changes. There’s oil in there, maybe not BMW levels, but it’s there.
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Turbo seal issues would be the primary reason I reckon.
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Yes, for the purposes of this forum I probably should have just said oil vapors and not gas. If you're running a stock-style PCV system then you would have both gas and oil from crankcase blowby going into the intake tract. If you're not, then it would just be oil seepage past the seals in the turbo. I don't imagine it's much, but I also don't imagine that it takes much to inhibit rust when the exposure to water and corrosives would also be very limited.
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Originally Posted by Schroedinger
(Post 1551023)
Yes, for the purposes of this forum I probably should have just said oil vapors and not gas. If you're running a stock-style PCV system then you would have both gas and oil from crankcase blowby going into the intake tract. If you're not, then it would just be oil seepage past the seals in the turbo. I don't imagine it's much, but I also don't imagine that it takes much to inhibit rust when the exposure to water and corrosives would also be very limited.
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