Oil restriction
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i think you answered your own question.
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Pretty sure only some Ball Bearing turbo's came with built in restrictors. If you're using a -3 AN feed line you most likely won't even need one. Some people using -4AN do once in a while. It all depends on the car and turbo though. If you start bypassing oil through the seals it either needs rebuild or you can try a aluminum 1/8" pop rivet in between the two AN fittings at the turbo. They're usually the equivalent of a .075 restrictor, and they cost about 10 cents or less.
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you'be see been "brained"
Oh snap |
Originally Posted by Braineack
(Post 166177)
i think you answered your own question.
Originally Posted by ATPTURBO.com
Appropriate for non-ball bearing T25/T28 turbo use
You guys are gonna have to forgive me, but cars are not my business. |
I dont want to make a new thread, so if you dont mind heres question.
Would you guys advocate drilling and tapping new holes for the wastegate so I can have the compressor outlet point down instead of up? I know the extra length of pipe will make no discernible performance difference. I am thinking strictly in terms of routing ease. |
what type of turbo, and where would you tap....if it's along the backside edge then you're ok there.
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Originally Posted by Braineack
(Post 166213)
what type of turbo, and where would you tap....if it's along the backside edge then you're ok there.
Its a Garrett T25 from a Nissan SR20. I already clocked it so the oil feed is vertical. I will probably be using a oil filter relocation kit and tap it there, it will be mounted next to the washer bottle. If not then probably at the oil pressure sender. edit: Wow, major brain fart. Disregard this none sense. |
?????? :confused:
do you know what a wastegate is? you must use correct terminology if I'm going to help :gay: |
Sam, that's the preferred way to do it. Remove that snap-ring and take the compressor housing off the turbo, throw it on a drillpress, and drill a couple holes. Be a little careful so you don't punch all the way through; it's not the end of the world if you do, but it's a nice thing to avoid. I've done it to two different T25 turbos now.
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Originally Posted by Braineack
(Post 166236)
?????? :confused:
do you know what a wastegate is? you must use correct terminology if I'm going to help :gay: My bad. Yea. along the back side edge. There are holes there already, but they are just on the opposite side of where it mounts now. If I drill new holes and attach the waste gate to the back side then I cant re use my actuator. The rod will be to long. The only other thing I have with my turbo, is some sort of bracket that matches those holes. I can see its for a wastegate but cant figure out how it would work. Its a really wide L.
Originally Posted by Savington
(Post 166237)
Sam, that's the preferred way to do it. Remove that snap-ring and take the compressor housing off the turbo, throw it on a drillpress, and drill a couple holes. Be a little careful so you don't punch all the way through; it's not the end of the world if you do, but it's a nice thing to avoid. I've done it to two different T25 turbos now.
I have a outlet adapter thats 90 degrees that comes off the turbo, id just need to make another 90 degrees and then straight down. I have been noticing that on some builds people are routing there pipes somewhere under the headlight. If this is true, then having it point up(or to the side) may not be such a bad thing. But if you have a good suggestion on how I can change it, im all ears. example: http://i21.photobucket.com/albums/b2...16II/newic.jpg |
here's something we did to an sr20det t25:
http://i11.tinypic.com/4poedma.jpg https://www.miataturbo.net/~web1_bra...rads_miata.jpg I believe we just drilled holes into the stock bracket and cut the L off. and IIRC, we either drilled the wastegate rod to make a new hole, or the thing was cut and shortened and rewelded together....i dont remember. |
Ok. I think for initial simplicity sake I will try to route it with the way it is, and then in the future re do it. I am still thinking of doing the first TMIC miata. Yea yea, im crazy. Its just a thought.
Btw, thanks Braineack for all your help. If you are ever in NY you let me know. |
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