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

gt35r here i come too!

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Old 03-21-07, 10:32 PM
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gt35r here i come too!

So, i love my car. I love it good. I got it about a year or so ago. It looked beautiful until i started digging. Then i found a plethora of things wrong with it. Vacuum lines were all busted...literally all of them. Boost couplers were broken. Coolant looked like rust (this one really bit me in the ***). Coolant hoses were all nasty and cracking. But man was the body straight. So i bought it for a good deal. Then i started going through the car. I got through a lot of the main stuff but then the car started to consume coolant. Then one day it started to over heat. So i began my project. I decided that i wanted a street port from the gurus at pineapple racing. Got in touch with rob and sent the engine parts off. I'm building it my self, so it was very kind of him to do that for me. And for anyone who is curious. Those guys (Rob in particular) are really great guys and i would not hesitate to send anyone to them. I'm getting ready. My plans are as follows. I'm looking for a pretty quick spool, capacity for somewhere around 400whp but able to do 300 to 350. And something that will be great for track days. This is what i have collected so far.







So i'm doing all of this and i'm also rebuilding another friends fd engine. I'm doing the rebuild for the cost of the parts to rebuild my engine. A good deal for both parties. Just so all you guys know too i'm a mechanic so i know what i'm doing.... i think. Here's a picture of our cars.



Wish me luck guys!

--Hank
Old 03-23-07, 10:51 PM
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good luck
Old 03-24-07, 11:52 AM
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That's a great way to start! Don't rush things and it will turn out just the way you want it.
Old 03-24-07, 12:35 PM
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niceeeee
Old 03-24-07, 03:01 PM
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Looks good. Is that a BRAND NEW harness from mazda?
Old 03-24-07, 04:52 PM
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what size is the hot side on your turbo?
Old 03-24-07, 06:13 PM
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Thanks everyone! The hot side on this turbo is a .82. I didn't really want something much bigger than that because i'm not really interested in peak power. I'm mainly looking for something that has a quick spool and is capable of power a little higher than the max potential of the stock turbos. One advantage of the single conversion is lower under hood temps. That is a brand new harness from mazda too. I'm not sparing any expense with this set up. I have an ae86 corolla that i did a toyota ae111 20v engine swap to. I spent over 20k on that car and i love it. It is super clean and on an entirely factory 1.6 i made 145 to the rear wheels. I like doing things right and once. I chose the fd for my next car because in stock form it handles better than my heavy mod corolla and has much higher power potential. The ae86 is mass fun for autocross but track days and it leaves a lot to be desired. I'm looking at becoming a track ***** with my fd. So i figured that this setup was the best way to go.

Engine parts so far goes as follows.
New harness
gt35r turbo
hks 50mm wastegate
hks bov
1680cc bosch injectors x2
siemens 640cc injectors x2
aeromotive rising rate fpr
kg parts primary and seccondary rails
power fc
Greddy profec b spec 2
greddy elbow for utilization of water injection (which i plan to install after the tune so as that it is a safety feature and not a tune feature)
I have a obx manifold but it is for a t04 and my turbo is a t3 flange so i'm not sure what i'm going to do about that.
Rebuild parts for trans which i will probably start in the next week.
Noltec engine mounts.
Many other things to come

Thanks for the support guys. I'm really excited to see what i can make with this setup.
I'm even more excited to start rebuilding these two engines. I'll keep everyone up to date with lots of pictures. Thanks again!

--Hank
Old 03-25-07, 06:20 AM
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Nice parts, good luck mate!
Old 03-25-07, 02:45 PM
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wtf.... is that a GT30R compressor housing??

ive never seen a GT35R with the anti-surge compressor housing (the ports around the housing of the compressor wheel)
Old 03-25-07, 04:18 PM
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Nope its a 35r compressor housing. I think its listed on the garrett website. I guess the 35r has a tendency to surge. That comes from people who know more than me.

--Hank
Old 04-09-07, 09:18 PM
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man that black fd has to be the coolest car I have ever seen!
Old 04-11-07, 10:58 PM
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Old 07-06-08, 05:58 AM
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So lots of progress since i last posted in this thread. The black fd is done. Which is good. Mine has been really under the knife (and the gun as i have to be done before the 27th of july). So heres some pictures.

Empty engine bay.

RE Amemiya sway bar reinforcement

My freshly rebuilt (BY ME) pineapple street port with exedy twin plate clutch

A good transmission finally. Only 43k on it!

Rotary aviation omp adapter and powdercoated front cover

So pretty clutch

Car shot

Me putting on the oil pan and garfinkle oil pan brace

Ready to go in
Old 07-06-08, 06:05 AM
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Almost

Even closer

So nice to look at.

I have been told this is true (a friend wrote this)

Some sweet gauges

super sweet datalogit install

useless knee warmer removed for something better

fuel system madness


Jdm upper intake manifold that i machined an opening into to allow heat to escape from
Old 07-06-08, 06:06 AM
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fjo low impedance injector driver

fjo wideband with ntk sensor

koyo n flow

tial 44mm black

almost all of the metal to make my 3.5 to 3in downpipe and wastegate recirculation.

And lastly my next project for later this summer
Old 07-06-08, 09:03 AM
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What kind of intercooler setup are you going to go with?

Any suspension work?
Old 07-06-08, 09:10 AM
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hey that looks sick man, bythe way that mazda harness look very plain did you remove all the unnecesary connectors and pins?? i have my new engine harnes sitting there as well but im not to handy on electrical stuff i want to find someone that can perform the job for me.

nice car
Old 07-06-08, 11:15 AM
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Looks good Hank. I like the machined upper intake. Clever idea.
Old 07-06-08, 01:10 PM
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man I cant wait to see this thing done! Hank man you do awesome work! (owner of the black fd he built)
Old 07-06-08, 02:59 PM
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Originally Posted by hsitko
I have a obx manifold but it is for a t04 and my turbo is a t3 flange so i'm not sure what i'm going to do about that.

--Hank
Just get a T4 turbine housing for the turbo. You're going to be surprised at how fast it will spool with a 3.5" exhaust on that turbo...
Old 07-06-08, 03:16 PM
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I already got a t3 manifold. I kind of like the idea of a t3 much better. That or one of those new tial v-band ones. Anyway the flange on the manifold is a divided t3 which should help throttle response and only effect hp on the top end by some small amount like 3 or 5. The whole exhaust isnt going to be 3.5 either, just about 1 or 2 feet of the downpipe immediately off of the turbo. This helps turbo response. The reason is, as the air from the turbo is being expelled into the downpipe it is spinning and very turbulent. The bigger the pipe directly off the turbo, the more the air will "straighten out" which will help your turbo respond better. I'm not looking for big max power here. I'm looking for response. That is why i went with a t3 with a .82 exhaust side. 1.06 with a divided t4? How much spool time do you loose in comparison. I guess we'll see.
Old 07-06-08, 03:20 PM
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Originally Posted by 13bmaniac
hey that looks sick man, bythe way that mazda harness look very plain did you remove all the unnecesary connectors and pins?? i have my new engine harnes sitting there as well but im not to handy on electrical stuff i want to find someone that can perform the job for me.

nice car
What i have there is a complete harness. I figured that if i ever wanted to go back to stock for any reason (emissions, as laws do continue to change) that it would be best to have all of the proper wiring still there, as ugly as it is. As for removing the harness connectors and wires. Its not really a matter of being handy with electrical stuff. In fact it isnt even electrical stuff. All you need is the wiring diagram, a little paper with all of the abbreviations of the colors (they are weird) and some wire cutters. The mazda wiring diagrams are super cool and show you what the plug looks like for each sensor and then you can find the wire colors to ensure that you are cutting the right ones. It just takes patience.
Old 07-06-08, 03:29 PM
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Be careful when cutting off connectors. The idle speed control solenoid shares either a common power or ground (can't remember exactly) with something else. Hacking up the harness will cause it not to work.
Old 07-06-08, 04:22 PM
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Originally Posted by Rotary Experiment Seven
Be careful when cutting off connectors. The idle speed control solenoid shares either a common power or ground (can't remember exactly) with something else. Hacking up the harness will cause it not to work.
I agree. It is tricky business. Probably should be left to professionals.
Old 07-06-08, 04:33 PM
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Originally Posted by 88t2romad
What kind of intercooler setup are you going to go with?

Any suspension work?
I'm going to be running a greddy stock mount intercooler. I'm really not a fan of front mount intercoolers at all. I think they are unnecessary. Not only that but they inhibit the cooling of something that i consider much more important, the radiator. The greddy stock mount, or any good stockmount for that matter should do an excellent job. The new greddy stockmount intercoolers are really nice. Properly ducted and they should do just great. Not to mention sleeper appeal....sort of, i mean its still an fd.


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