Waste gate line size
Waste gate line size Long story short, my buddy ordered 6 feet of 6 mm hard plastic air hose and they sent him 6 packs, 4 feet each. Changing over to push-to-connect fittings and am wondering is anyone using 6mm lines to their gate? Wondering if it's too small? If so, I'll go 1/4".
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9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
A lot of small silicone is flimsy crap, too soft, easily split/damaged etc. I would never use it for something as important as a wastegate.
There may be some good quality stuff out there, but I've never seen any I'd be happy with.
There may be some good quality stuff out there, but I've never seen any I'd be happy with.
This is very true. Don't skimp on a line that can over boost your motor.
TECH Enthusiast
Joined: Oct 2007
Posts: 530
Likes: 2
From: South Lyon, Michigan
We use the 1/4" push to connect fittings. It's way away from anything hot, I put a silver sharpie mark on at each of the connections to do a quick visual incase if it starts working its way out of the fitting.
Never had any problems with it.
Never had any problems with it.
I use the same stuff on everything. I usually buy a 10 pack of plastic fittings off ebay for like 5$ and then get the line at napa (1/4" air brake line)
Ive never had a failure with it, even with the plastic fittings on the wastegates.
But its a much bigger deal on cars with out over boost protection.
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
push fittings are great...I use them in "cold" locations.
I'd never consider a wastegate cold enough to be safe though...although many do seem to use them with success.
I guess if wastegate is fairly remote mounted and away from the main body of exhaust/turbo it would be a lot cooler. But there would still be a lot of heat soak after stopping.
I'd never consider a wastegate cold enough to be safe though...although many do seem to use them with success.
I guess if wastegate is fairly remote mounted and away from the main body of exhaust/turbo it would be a lot cooler. But there would still be a lot of heat soak after stopping.
i use PTC. this stuff works pretty good for me. you gotta route it under anything hot. while it is resistant to 500*F, it'll droop at a couple hundred and make a stinky mess.
https://www.amazon.com/Zeus-Regular-...F4+tubing+ptfe
https://www.amazon.com/Zeus-Regular-...F4+tubing+ptfe