Forced Induction Superchargers | Turbochargers | Intercoolers

New Twin Turbo system pics

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Old 07-21-2006, 09:14 PM
  #121  
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Originally Posted by INTMD8
.....BW- yes, this system is a direct bolt on for 98-02 F-bodys, 98-02 GS400's, and 71 International Scout diesels.
Damn. My Scout is a 1975 .
Killer turbo kit. Wish I had the means to bring it to my car .
Old 07-23-2006, 06:17 PM
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Originally Posted by BW
will my car make sounds like an import, but in all reality it's a camaro.
is that a serious question?

just incase u are serious....no it won't. if u use a muffler like the magnaflow and exhaust pipe out the back ur car will accually be pretty quiet. u'll hear the sound of a v-8 somewhat but u'll also hear the turbo spinnin....u'll like the sound it'll make.
Old 07-23-2006, 06:48 PM
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Originally Posted by Screamin_Z
is that a serious question?

just incase u are serious....no it won't. if u use a muffler like the magnaflow and exhaust pipe out the back ur car will accually be pretty quiet. u'll hear the sound of a v-8 somewhat but u'll also hear the turbo spinnin....u'll like the sound it'll make.
Why'd you even answer that?
Old 07-25-2006, 04:32 PM
  #124  
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I hope this works out. I have been looking at the speed inc Eliminator kit but if this is available within a couple months I will definitely buy it instead. Please keep us posted...
Old 07-26-2006, 03:17 PM
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Originally Posted by INTMD8
Really, thanks to everyone for the positive comments, I very much appreciate it.

CAT3- As far as using stock manifolds, you could build a system that way (that was the very first version of CAS's twins), but turbo placement is less than optimal and plumbing/drainback becomes a problem. With the way mine is set up, the turbos have to be exactly where they are. I spent an entire weekend making adjustable brackets and playing around with turbo placement until everything was in the best position.

obZidian- Since I am using Precisions 5 bolt exhaust housings, the only a/r's available (that I'm aware of) is .48 and .63. Though I won't know for sure until I tested on the dyno, I would assume that anything larger than 370ci would have excessive backpressure with this system even with the .63 housing. IMO 400+ci engines would be better off with twin T4's or a single T6, and I don't think I could fit twin T4's without notching the frame and heater box on the passenger side.
My GT30R's come in .82 and 1.06 5 bolt housings so you should be able to get a bigger AR on those 35Rs. And it seems to me that twin GT35R would be great for a 40X cid motor. 4000 to 6500 rpm is in high efficiency range. I think twin GT30Rs are perfect for the stock displacement motor. I will be running them on a 402 and see how it works out. I think the GT30R's will be great on the street for my 402. From 3500 to 5500 they are in max efficiency and only drop to 73% at 6500. They will support over 800 whp and that is a lot for the street. I guess if you are building an all out drag car then maybe t4 would be better but I think those 35Rs will rock 346 to 402
Old 07-26-2006, 03:18 PM
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these are T3/T04E turbos you cant get a better exhaust housing.
Old 07-26-2006, 08:13 PM
  #127  
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A GT35R is available with 3 exhaust housing A/R's. .63, .82 and 1.06

http://www.atpturbo.com/Merchant2/me...egory_Code=GRT
Old 07-26-2006, 08:16 PM
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yes but without notching the frame they wont fit. not that hard to understand I mean read his posts.
Old 07-26-2006, 08:17 PM
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Any progress? Man I am really interested!
Old 07-26-2006, 08:19 PM
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Since I am using Precisions 5 bolt exhaust housings, the only a/r's available (that I'm aware of) is .48 and .63. Though I won't know for sure until I tested on the dyno, I would assume that anything larger than 370ci would have excessive backpressure with this system even with the .63 housing. IMO 400+ci engines would be better off with twin T4's or a single T6, and I don't think I could fit twin T4's without notching the frame and heater box on the passenger side.
Well, I believe you could fit larger turbos if the heater box was removed and the frame was notched (the part that interferes houses the evaporator core not the heater core), but if you're removing that you're defeating the purpose of this system and would be better off mounting twins up high as we did on Andys car.
see what he said in response to using bigger exhaust housings.
Old 07-26-2006, 09:57 PM
  #131  
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Well the update is that the fixtures are finished for the headers and the y-pipe, still need to make the fixtures for the induction piping.

Those should be finished by the time we recieve the next batch of materials, enough to initially make another 5 systems.

As far as the exhaust housings, I built the system with Precision housings, which to my knowledge are only offered in .48 and .63.

The link to ATP's turbochargers which HPCubed posted shows they offer the GT35R's with higher a/r's, but I'm not sure if those exhaust housings external dimensions are identical to Precisions housings (which they would need to be in order to fit).

My comment as to notching the frame and removing the heater box was in reference to fitting T4 turbine housings in that same location.
Old 07-26-2006, 10:05 PM
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pricing been set in stone yet?
Old 07-26-2006, 10:07 PM
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Originally Posted by ABeasst
pricing been set in stone yet?
No sir.
Old 07-31-2006, 01:22 PM
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any updates?
Old 08-01-2006, 04:00 PM
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Same here. Would like to know
Old 08-01-2006, 06:44 PM
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We finished all the jigs except for 2 of the pressure side induction pipes on saturday.

I have an order in with SPD for materials which we will recieve in 10-14 days (per SPD). Enough to initally build 5 more systems.

We are direct with Tial, and last time I spoke with Precision they had GT35R's and Intercoolers on the shelf.

So, things are moving along well. Not at light speed, but we're making progress.
Old 08-02-2006, 01:00 AM
  #137  
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what tuning and fuel upgrades are you going to do with this set up?
Old 08-02-2006, 01:15 AM
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How about a kit for the LT1's???
Old 08-02-2006, 09:33 AM
  #139  
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Originally Posted by Houdini
How about a kit for the LT1's???
He already made one... and he's running it on his car!

and it's even in his signature...........
Old 08-02-2006, 11:11 AM
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He already made one... and he's running it on his car!

and it's even in his signature...........

That's a custom not a kit, Yet!


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