Single Turbo RX-7's Questions about all aspects of single turbo setups.

whats up with everyone and T-78's??

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Old Dec 11, 2001 | 03:40 PM
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JoeD's Avatar
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whats up with everyone and T-78's??

i dont understand why everyone goes crazy over T-78s, when you can get a turbo kit with the same if not more power output, and less lag, for less money. for example, the TO4S. gives just as good power as the T-78, but much less lag, and the kit is a couple hundred bucks cheaper.

someone wanna enlighten me a little here??
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Old Dec 11, 2001 | 04:58 PM
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Because GReddy is cool
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Old Dec 11, 2001 | 06:37 PM
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Hey JoeD

Because most people are like cattle.. They just follow along with everyone else...

I personally would never buy a greddy turbo.
WHY when you could get a properly sized garrett for much cheaper and would make alot more HP.

H.k.s on the other hand is a great turbo but guess what. It's very expensive and it's made by guess who: Garrett!!
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Old Dec 11, 2001 | 08:34 PM
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I know I would never buy a T-78, just because everyone has one.
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Old Dec 11, 2001 | 11:07 PM
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Re: whats up with everyone and T-78's??

Originally posted by JoeD
i dont understand why everyone goes crazy over T-78s, when you can get a turbo kit with the same if not more power output, and less lag, for less money. for example, the TO4S. gives just as good power as the T-78, but much less lag, and the kit is a couple hundred bucks cheaper.

someone wanna enlighten me a little here??
The T-78 is just a good turbo. I found a deal on just the turbo for $1000, and I made my own "kit." I'm very happy with the results.
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Old Dec 12, 2001 | 12:49 AM
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The reason why a person should buy a kit rather than piecing it together yourself is because the kit is engineered and your pieced together setup isn't. It's not extremely difficult to piece together a kit yourself, but if you haven't done it before, you really shouldn't be doing it. You'll have to fabricate a downpipe, wastegate dump, i/c pipe, oil lines, water lines, oil drain, intake, and a bunch of other stuff. After you've pieced it all together, then you'll realize, "oh man, i didn't give enough clearance between the firewall and the downpipe when the engine torques." or "oh man, i used the wrong kind of fitting for the oil line." or "the turbine housing is burning up the ABS line", etc. etc. Sure if anybody has enough money and a bunch of time you can fix these problems one by one, but after all is said and done, why didn't you just buy a kit? Obviously some kits are more expensive than others, but most of the name brand kits are popular for a reason: they work, they've been tested, and they look good.

I know there are alot of sucessfully pieced together setups out there and I'm not saying it can't be done. All I'm saying is that they cost more for a reason: testing, tuning, quality, and R&D.

On the other hand, an experienced person can piece a kit together sucessfully. At the same time, if the person is inexperienced with that particular type of vehicle, care should be taken.

Just my 2 cents.
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Old Dec 12, 2001 | 05:52 PM
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XSPower.. Your right to a point.. IF you don't have experience you SHOULD NOT try to put together you own kit. I have installed many turbo kits in my time. Started out with mustangs in the early nineties and now into imports. The problem with turbo kits FOR ME is that they never meet the quality i expect from them. the reason is that most people that put together turbo kits are always cutting corners to reduce the cost of their kits so they could make more money. Ex cheap exhaust manifolds, wastegates, downpipe, I/C piping, return line fittings, etc, etc... I've been putting together custom kits ever since. Everything is fitted to my car and i always use high quality parts, fittings, etc.

And guess what. In the end i've spent just as much if not less then those high priced turbo kits and my setup would make any turbo kit out there look like ****.
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Old Dec 13, 2001 | 02:22 AM
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Me too!

Originally posted by wankawankel
It's not the band wagon theory at all. Tuning the Rx7 for real time is difficult for tuners as it is. There are a million sobb stories and arguements on blown engines, and or Rx7's that run like crap. There are only a few who have the funds to go all out on there Rx7's. And you have to agree that the cheap way isn't always the best way. I had a TO4 based 60-1 turbonetics turbo which runs the same type of characteristics the XS turbo has. The kit was alright but tuning it with a wrong sized wastegate was impossible. I chucked it out and went to the forum for answers. And guess what? There were only a selected few tuners out there that was directed to me, SR motorports, XS engineering, RX7.com, JR's rotary, pettit, peter farell, and so on. I didn't buy my Greddy turbo because it was what everybody had. To tell you the truth, I'm the only guy in my area that has gone single. Ari @ RX7.com put me in the direction I'm in now. Power was my purpose. I'm sure the T78 owner's did it for the same reasons. XS at the time wasn't offering any turbo kits for the Rx7 when I was in the market. Carl...
I'm also running a 60-1. I love it! And yes, Ari at RX7.com helped me on building my setup too. Pushing 430+ on pump gas and with the cat installed. (just dynoed it actually)
-Dan
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Old Dec 14, 2001 | 12:32 AM
  #11  
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Originally posted by XSPOWER
After you've pieced it all together, then you'll realize, "oh man, i didn't give enough clearance between the firewall and the downpipe when the engine torques." or "oh man, i used the wrong kind of fitting for the oil line." or "the turbine housing is burning up the ABS line", etc. etc. Sure if anybody has enough money and a bunch of time you can fix these problems one by one, but after all is said and done, why didn't you just buy a kit? Obviously some kits are more expensive than others, but most of the name brand kits are popular for a reason: they work, they've been tested, and they look good.
Sounds familiar, but I learned alot.
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