Twin Turbo Location
Thread Starter
Melting Slicks
Joined: Sep 2002
Posts: 2,631
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From: Union City CA
Twin Turbo Location
If I use twin turbos I could put them under the exhaust Manifold and to the sides of the oil pan. Or I could put them above the exhaust manifolds to the side of the heads in the engine compartment. The question is will the smog still work because I want this street and smog legall.Does anybody have pics of Twin turbos in a C4 Corvette? If you do could post them. :seeya
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From: Exit 89 GSP,Lakewood,NJ The Land Of Mojo
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Re: Twin Turbo Location (Light84vette)
The only pic I have, doesn't really show you much.
Safety Car
Joined: Jul 2001
Posts: 4,178
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From: Windermere FL
Re: Twin Turbo Location (Light84vette)
Try the induction area. Not to many twin turbo c4s. There was never a kit and they are mostly all custom one offs. Calloway did all kinds of really indepth stuff to make his. They involved running stuff inside the frame for example. Not something you can just bolt on.
Thread Starter
Melting Slicks
Joined: Sep 2002
Posts: 2,631
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From: Union City CA
Re: Twin Turbo Location (92TripleBlack)
I know that but I want to know it would still be smog and pass the smog test. :confused: If I ran the exhaust upwards to feed the trubo.
Le Mans Master
Joined: Oct 1999
Posts: 6,366
Likes: 34
Re: Twin Turbo Location (Micky T)
The only way to get a TT Corvette in CA to be emissions legal is to buy a Callaway. No do it yourselfer set up will cut it unless the smog tech is a moron or your buddy.
As far as mounting them, no you cant just hang em on there. you will need special made exhuast manifolds o take the heat and to hold the turbos weight. also they are put in a Callaway so that they just fit. the drivers side turbo is mounted forward, more then the passenger side, yet still set back further them where the stock exhuast mounts to the front Y pipe. it looks to be mounted between 5 and 7 cylinders exhuast ports.
The drivers side turbo has to be twisted in such a way that it clears the oil filter. the passenger side turbo is mounted back further (about in line with cylinder 8 exhuast port) then the drivers side turbo to clear the starter. Also the starter is rocked down towards the engine to give the turbo more clearence.
Then you will need a catch can to get the oil out of the turbos by gravity. They cannot be plumbed back into the oil pan because turbo drain oil by gravity, not pressure. they are lower then the oil level of the pan so it has to go elsewhere. Callaway solved this by building a catch can in front of the oil pan behind the front cross memeber. then they used a scaveging pump to get the oil out of the catch can back into the engines oil pan. The scaveging pump was built into the stock idler arm. I dont think you will find it very easy to get this piece, or one like it, so you may want to look at the electric pumps being used in the gen 4 F-bodys that are being turbocharged.
I have been thinking of doing something like this.
http://www.twinturbovette.net/images...0motor%201.jpg
[Modified by bill mcdonald, 2:42 AM 10/5/2002]
As far as mounting them, no you cant just hang em on there. you will need special made exhuast manifolds o take the heat and to hold the turbos weight. also they are put in a Callaway so that they just fit. the drivers side turbo is mounted forward, more then the passenger side, yet still set back further them where the stock exhuast mounts to the front Y pipe. it looks to be mounted between 5 and 7 cylinders exhuast ports.
The drivers side turbo has to be twisted in such a way that it clears the oil filter. the passenger side turbo is mounted back further (about in line with cylinder 8 exhuast port) then the drivers side turbo to clear the starter. Also the starter is rocked down towards the engine to give the turbo more clearence.
Then you will need a catch can to get the oil out of the turbos by gravity. They cannot be plumbed back into the oil pan because turbo drain oil by gravity, not pressure. they are lower then the oil level of the pan so it has to go elsewhere. Callaway solved this by building a catch can in front of the oil pan behind the front cross memeber. then they used a scaveging pump to get the oil out of the catch can back into the engines oil pan. The scaveging pump was built into the stock idler arm. I dont think you will find it very easy to get this piece, or one like it, so you may want to look at the electric pumps being used in the gen 4 F-bodys that are being turbocharged.
I have been thinking of doing something like this.
http://www.twinturbovette.net/images...0motor%201.jpg
[Modified by bill mcdonald, 2:42 AM 10/5/2002]
Burning Brakes
Joined: Aug 2000
Posts: 884
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From: Panama PMA
Re: Twin Turbo Location (bill mcdonald)
The only way to get a TT Corvette in CA to be emissions legal is to buy a Callaway. No do it yourselfer set up will cut it unless the smog tech is a moron or your buddy.
As far as mounting them, no you cant just hang em on there. you will need special made exhuast manifolds o take the heat and to hold the turbos weight. also they are put in a Callaway so that they just fit. the drivers side turbo is mounted forward, more then the passenger side, yet still set back further them where the stock exhuast mounts to the front Y pipe. it looks to be mounted between 5 and 7 cylinders exhuast ports.
The drivers side turbo has to be twisted in such a way that it clears the oil filter. the passenger side turbo is mounted back further (about in line with cylinder 8 exhuast port) then the drivers side turbo to clear the starter. Also the starter is rocked down towards the engine to give the turbo more clearence.
Then you will need a catch can to get the oil out of the turbos by gravity. They cannot be plumbed back into the oil pan because turbo drain oil by gravity, not pressure. they are lower then the oil level of the pan so it has to go elsewhere. Callaway solved this by building a catch can in front of the oil pan behind the front cross memeber. then they used a scaveging pump to get the oil out of the catch can back into the engines oil pan. The scaveging pump was built into the stock idler arm. I dont think you will find it very easy to get this piece, or one like it, so you may want to look at the electric pumps being used in the gen 4 F-bodys that are being turbocharged.
I have been thinking of doing something like this.
http://www.twinturbovette.net/images...0motor%201.jpg
[Modified by bill mcdonald, 2:42 AM 10/5/2002]
As far as mounting them, no you cant just hang em on there. you will need special made exhuast manifolds o take the heat and to hold the turbos weight. also they are put in a Callaway so that they just fit. the drivers side turbo is mounted forward, more then the passenger side, yet still set back further them where the stock exhuast mounts to the front Y pipe. it looks to be mounted between 5 and 7 cylinders exhuast ports.
The drivers side turbo has to be twisted in such a way that it clears the oil filter. the passenger side turbo is mounted back further (about in line with cylinder 8 exhuast port) then the drivers side turbo to clear the starter. Also the starter is rocked down towards the engine to give the turbo more clearence.
Then you will need a catch can to get the oil out of the turbos by gravity. They cannot be plumbed back into the oil pan because turbo drain oil by gravity, not pressure. they are lower then the oil level of the pan so it has to go elsewhere. Callaway solved this by building a catch can in front of the oil pan behind the front cross memeber. then they used a scaveging pump to get the oil out of the catch can back into the engines oil pan. The scaveging pump was built into the stock idler arm. I dont think you will find it very easy to get this piece, or one like it, so you may want to look at the electric pumps being used in the gen 4 F-bodys that are being turbocharged.
I have been thinking of doing something like this.
http://www.twinturbovette.net/images...0motor%201.jpg
[Modified by bill mcdonald, 2:42 AM 10/5/2002]
Who makes the TT kit that appea in the pic?? Look really nice... And I want that kit!!!!
[Modified by Greenbeast, 6:54 AM 10/5/2002]
Instructor
Joined: Sep 2002
Posts: 179
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From: Waycross Georgia
Re: Twin Turbo Location (Greenbeast)
That last picture of the red corvette's engine, looks like a SUPRA motor with a Single Turbo, Correct me if im wrong but ive never seen an LS1 wit that sort of intake runner setup or anything like that. Matter of fact, it is an TT Supra engine, wit a single turbo. Hint TRD on the valve cover *Toyota Racing Development*
C4Dreams
[Modified by C4Dreams, 3:49 PM 10/5/2002]
C4Dreams
[Modified by C4Dreams, 3:49 PM 10/5/2002]
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Verdad Gallardo
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From: Guinness Its whats for B'fast JAWGA
CI 3-4-5-9 Veteran
Re: Twin Turbo Location (Blue 92)
Look at http://www.twinturbovette.net/Home1.htm He posted on the forum, but I have not seen him in a while nor remember his screenname.
[Modified by 93Polo, 6:56 PM 10/6/2002]
[Modified by 93Polo, 6:56 PM 10/6/2002]
Thread Starter
Melting Slicks
Joined: Sep 2002
Posts: 2,631
Likes: 0
From: Union City CA
Re: Twin Turbo Location (93Polo)
If you catagorize your car as a pleasure use vehicle do you still have to pass the smog test in order to drive it on the public road? :chevy
Le Mans Master
Joined: Oct 1999
Posts: 6,366
Likes: 34
Re: Twin Turbo Location (Greenbeast)
Bill:
Who makes the TT kit that appea in the pic?? Look really nice... And I want that kit!!!!
[Modified by Greenbeast, 6:54 AM 10/5/2002]
Who makes the TT kit that appea in the pic?? Look really nice... And I want that kit!!!!
[Modified by Greenbeast, 6:54 AM 10/5/2002]
http://www.twinturbovette.net/Turbo%20Install.html
here are some pics of the install.
I can barely remember his forum name, but I do have his email address at work.
this is something like what I wanted to build. I cant decided if I am going to go forward with it or not.
it looks like it will be a throw away cost 100 bucks in headers, that I will have to cut and see if I can get the turbos to fit with the headers. if it works, I would have to pull it and have it built out of 321 stainless. or have the guy who built that, build me the headers. that motor with the super ram was rumored to make 850 hp.
you can check out more at http://www.grapeaperacing.com
