allenhah

iTrader: (4)

Hey guys...been doing a lot of research for the last few days, but I can't seem to find any definitive answers to what I'm looking for. It turns out I need a new motor and possibly turbos, and I figured this was the time to possibly go single. To give you an idea of what I'm looking for, I want something reliable first and foremost, something that will put out b/w 350 and 400 rwhp with fairly conservative tuning, mainly street driven with occasional track events (road racing, not drag).

ANY input is appreciated, and pointing me in a direction that sells it for a good price is even more appreciated!

Thanks!

teamafx

iTrader: (4)

R85 www.kgparts.com

DCrosby

I was / am in the same boat, what I definitly didn't want to loose was the speed at which the twins spooled up, since going Non-Seq. with a second bearing beeing bad, I don't get full boost untill 5-6k rpm... and THAT sucks...
Having also owned a very well working twin system, I wanted the response, but without running at the ragged edge of reliability of going 400 RWHP on twins...

After doing a lot of searching, and talking to a lot of rotary experts, from US, and Austrailia.. I decided on a GT35-40. Ball bearing setup... there are several people selling them here, and from what I've read they seem very reputable, I'm personally holding out for a custum manifold made overseas, and this will allow me to retain my stock smog pump, and with the ignorance in Ca. as to rotaries, specifically FD's... I might actually pass emission with a single / GT35-40. I won't find out for another 2 years, since I'm smogging it with the standard twins etc...

But that was a big concideration... and according to specs, 35-40's run on the ragged edge at around 600 hp... so 3/4 is a nice safety margin for me, as I am trying to go for 400 - on pump gas (450 with 100 oct.
gas)....

I hope this helps...+

XSTransAm

doing a single turbo will end up costing you about 4000 more than fixing your stockers

new clutch
more fuel
intercooler ect.

allenhah

iTrader: (4)

Interesting...what do you guys think of the T04R setup? Good one being sold used...

I already have a stage III clutch on there, a medium M2 IC, so I figure I'll need to upgrade fuel pump, maybe bigger injectors. I currently have a PFC on its way.

Thanks for the all the input guys!

XSTransAm

definitly need bigger injectors, fp, resistors and rail

the best advice i can give you is to buy a kit and not try to peice one together..

Im peicing mine together and its a damn pita cause no one has the flanges for the wastegate/ oil fittings/ an adapters ect..

ive been peicing it together for about a year and if everything goes right i should have all the parts by wednesday

to4r is kinda small, but still enough to break your diff..

i say go 35/40, although ive never been in a car with that kit. I know that turbo is a peice of gold

DCrosby

T04 is Old technology, 1970-1980 and it's a Disel turbo.
GT35-40 is 1990's Formula 1 Tech... before they outlawd turbos on F1 cars...

1FooknTiteFD

allenhah, consult with GD at osdesigns, he is in the bay area and has extensive experience with single turbos. We currently have 4 white FD's all with single turbo setups that run great and make a lot of power.

teamafx

iTrader: (4)

T04r is a fine turbo, might be older but the 35/40 hasnt proved better. That and the t04r is alot easier to rebuild then the gt35/40 if problems were to occur. I love the T04r, spools to 14psi by 3800rpms and pulled crazy

Poweraxel

is it a HKS T04R? there seems to be alot of "copies" of that paticular turbo where people call it a "T04R" ask the guy if its HKS T04R or one thats similar to a T04R. A HKS T04R is big $$$$$$$

allenhah

iTrader: (4)

Well shoot...why don't I just give you guys the ad:

Link

I don't know the guy, but it sounds like a good deal. What do you guys think?

teamafx

iTrader: (4)

its not the HKS, its a little different then most due to the exhaust housing, people can attest to me as a person and the setups that I go with. Im selling to go bigger.

1FooknTiteFD

i disagree with the part about the T04r being easier to rebuild. I know someone that had to rebuild his and the cost of the rebuild was almost as much as buying a whole new compressor unit! It totally defeats the purpose of having a rebuildable turbo when the cost is just as much as a new one. But I do agree with you that it makes good power and spools fast

vspecpgt

350-400rwhp? rx6 all the way.... its pricey, but spools as quick as stock twins and is capable of just around that power range... plus its soo nice and smooth......

teamafx

iTrader: (4)

Ive had one rebuilt for a customer about a year ago and the cost was $300

Jim Swantko

If you want a T04R - then call Precision and get a PTE67 - as it's the identical turbo for much less. Rebuilds are about $300.

Fred Villamor

What about a T-66 ? Anyone know about these ??

Zero R

iTrader: (1)

PT turbo's are not identical I've had both a PT 35R and a Garrett GT35R in my hands far from the same.

Jim Swantko

From everything that I've heard the PTE67 wheels are replicas of the T04R - I can't speak to any of the others - just the 67.

Again I can't say for sure - but the dynos look very very comparable - and many reliable sources have told that the wheels are indeed replicas.

But who knows - HKS turbos are just ridiculously priced.

DCrosby

You 'gotta, Pay to Play !

allenhah

iTrader: (4)

Hahhahaha....true true.

Right now, I'm thinking of the Gotham Racing GR63 kit, which is supposed to spool really quickly and maybe the Greddy T04E. The RX6 is cost-prohibitive at this point.

red fd3g

yo talk with steve or nicko at a spec i just got my gt35/40 kit and dam!! it fits perfect dope *** exhaust manifold down pipe tial wastegate and its so streetable im shooting for 390on 93 pump mybe 400+on race gas on the stock motor www.a-spectuning.com

allenhah

iTrader: (4)

I tried contacting them since last week but no response. I'm looking to buy a turbo setup NOW, so I think I'm going to go for the XS Engineering T04e setup from Jason at RX-7 store. I've been doing some research and the dyno charts seem to reveal that this is the kit that I'm looking for at the right price.

Zero R

iTrader: (1)

HKS turbos are way overpriced of that you are spot on. They are essentially Garrett GT series turbo's rebadged. HKS sometimes has different sizing in A/R but it is the same.

Zero R

iTrader: (1)

When did you try to contact the shop?