1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Whats the biggest turbo that will fit with a TII swap?

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Old Aug 7, 2006 | 04:02 PM
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Turbo widebody FB
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Whats the biggest turbo that will fit with a TII swap?

Hey guys,
First of all im kinda interested to know what the largest turbo someone with a TII swap in a FB has ran with a HKS cast turbo manifold.

The reason im asking is because my project is progressing and I may have just found the parts I need to make the car over the top. A local rotary guy is selling his dyno proven 460rwhp setup, T78 turbo on a freshily rebuilt TII. I may have to jump on this, make my car a real crazy machine.

Dan_s_young
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Old Aug 7, 2006 | 04:25 PM
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i would love to see this done
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Old Aug 7, 2006 | 05:12 PM
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REW'd FB
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I am not sure on the specifics of the T78 frame. But I am running a AF61 on a HKS cast manifold made for a FD. I am also not exactly sure what the differences between the FD and FC manifold are.

I have about 3/4"-1" between my turbo and the inner fender.

If you do get a "proven" setup make sure that you either get the stand-alone and or the map. I can assure you that this will save tons of money and time.

Here are a couple pictures of my turbo.
Attached Thumbnails Whats the biggest turbo that will fit with a TII swap?-dscf2065.jpeg   Whats the biggest turbo that will fit with a TII swap?-dscf2071.jpeg  
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Old Aug 7, 2006 | 08:13 PM
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a t78 is similar in size... it will fit.

like z said, it was proven in his car with all his supporting pieces. as long as you get EVERYTHING then you'll be all good.
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Old Aug 7, 2006 | 11:00 PM
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HOLY CRAP!!!

That thing is HUGE!!!!!

BTW: What do you think about the new DP cans? I dont like them.

I also used to like Mr. Pibb, in those cool angled cans remember!

Last edited by MattG; Aug 7, 2006 at 11:03 PM.
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Old Aug 7, 2006 | 11:04 PM
  #6  
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Good news, ill have to sit down next weekend with the seller and figure something out. Going to be one fricking fast car, everything is just so expensive...
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Old Aug 8, 2006 | 12:10 AM
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a t78 turbo is extremly laggy for street driving.. remember,, a very useable 400 hp is better than a peaky 500 hp, for the street that is...
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Old Aug 8, 2006 | 02:37 AM
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This is my 13B-REW with a T78 on a custom manifold, with 48mm wastegate.



Unfortunately the turbo hits the inner fender in this shot, so I need to change the manifold somewhat. Shouldn't be too hard from what I can see.
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Old Aug 8, 2006 | 03:06 AM
  #9  
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Holy ****. Those are some massive turbos.

I am with Robert on this one though. A not-so-laggy 400 horsepower would be tons better in street use than a high rev, lag oriented 500 horsepower in street use. But then again I have no idea in the least as to what you are going to be using this car for.
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Old Aug 8, 2006 | 02:28 PM
  #10  
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HAHAHA my buddy drinks the Dr. Pepper. Jon, nice to see another REW in a FB.
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Old Aug 8, 2006 | 02:53 PM
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Beautiful cars fellas!!! A 78 can be laggy. Tuning, and AR size helps a bunch....Good luck
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Old Aug 8, 2006 | 09:09 PM
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GT35R T4 1.0 A/R here... made 300 rwhp@5k.. Re-Dyno this saturrday..
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Old Aug 8, 2006 | 09:19 PM
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Originally Posted by gonzz
GT35R T4 1.0 A/R here... made 300 rwhp@5k.. Re-Dyno this saturrday..

thats a quick spooling turbo, not too big, great for street driving! nice choice gonzz
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Old Aug 8, 2006 | 09:23 PM
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Same turbo that a local RX-7 guy was also recommending I get, how does the GT35R compare with a 60-1?
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Old Aug 9, 2006 | 12:24 AM
  #15  
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if you are going to rock a GT series turbo then get on the waiting list for A-specs GT500R.... which so oddly is about the same as a what?? T66!!! AHHHHHH!!!!!

i say get a T-66 for the best compromise in big power on low boost with less lag.

if you want 500rwhp just get a tune for some good ol' c16 WOOWOOOOOOO!!!!!
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Old Aug 9, 2006 | 06:22 PM
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I have always wondered why most Australian 1st gen turbo setups all have the wastegate forward on the manifold. I bought mine from Australia also and it's the same thing.. Is their any benifit for having it like this? I know the steering box is on the same side on the RHD cars. Maybe that is the reason? I have attached a few pics to show what I mean..

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