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

Add me to the GT3540 club.

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Old 12-06-02, 04:29 PM
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Add me to the GT3540 club.

Well the 7 goes to KD tomorrow for the single turbo install. I am very excited about getting it all done. Its been months in the planning and a long list of Parts showing up everyday up to now. Here is what I am doing. Feel free to add any suggestions. The car is modded now but adding the single turbo and additional parts. Listing everything I have thats already on and what I have going on this week at KDR. Goin to run 15-16 psi max until I get a ported motor and some other upgrades.

A-Spec GT35/40 1.06A/R Polished with Wastegate Plumbed back into the ceramic coated DP
GReddy 2 row FMIC
Greddy Type R BOV
K&N Cone filter
1600cc injectors with custom rail
XS FPR
Supra Nippondenso FP
Blitz SBC-ID Boost controller
GReddy Pullys and belt
Fluidyne Radiator
ACT Street Strip clutch
ATR SS Midpipe
Greddy SP SS Cat-back
Mazdatrix Shortshifter
Apexi Power FC W/Commander
HKS Twin Power Ign.
HKS 10.5 plugs leading, 9 trailing
HKS springs
Bilstein HD Struts
18 inch Volk TE-37's 18x8.5 ,18x9.5
Bridgestone S-03 F255/35/18 R285/30/18
Feed Headlight cover
Mazda Reman w/20k
Rebuilt Trans with 5k
Poly Swaybar bushings "Front"
Crossdrilled Rotors with metalmaster pads
Old 12-06-02, 04:56 PM
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only thing i would do is get a racing beat six puck sprung disk for your act pressure plate. you will annhilate that street/strip disk very fast with a gt35/40 @ 1kg/cm^2

everything else looks damn good. maybe another fuel pump in line
Old 12-06-02, 05:25 PM
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Originally posted by vosko
only thing i would do is get a racing beat six puck sprung disk for your act pressure plate. you will annhilate that street/strip disk very fast with a gt35/40 @ 1kg/cm^2

everything else looks damn good. maybe another fuel pump in line
Hey thanks Vosko. I thought about the clutch as well. I want it to be somewhat smooth engagement. How do the sprung puck clutches feel? How well do they hold?
Old 12-06-02, 05:27 PM
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i have a six puck racing beat in mine. the engagement is instant. once you get used to it. its not bad at all. i have been beating the crap out of mine and its never slipped once. even starting in 2nd gear because i broke first gear. the clutch doesn't slip
Old 12-06-02, 05:34 PM
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Originally posted by vosko
i have a six puck racing beat in mine. the engagement is instant. once you get used to it. its not bad at all. i have been beating the crap out of mine and its never slipped once. even starting in 2nd gear because i broke first gear. the clutch doesn't slip
Thanks. I may order one and have it delivered to KD. 144 buck is worth not having the hassle of a fried clutch. You never know where its goin to let loose. And you can count on it being as far from home as possible. I had my last ACT let go in Maryland on 95 the day before thanksgiving 2 years ago. Had a bad disc that lasted 2 weeks. That was a very expensive clutch. Had to rent a car and pay a dealer to install a new one. Nightmare. That was back when the car was a daily driver. Thanks for the tip.
Old 12-06-02, 05:41 PM
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well nocab72 and silver93tt both killed street/strips fast...... i assume you will do the same
Old 12-06-02, 07:06 PM
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I am getting my T78 and new BNR Race ported motor installed this month as well. I know Vosko runs the T78. My clutch is the Spec Stage 3 sprung 4 puck clutch from BNR and Racing Beat Steel flywheel. Do you think it will hold up to very much boost. It did fine with my twins but I am unsure about the T78 setup. I was going to go GT35/40 as well, I love Kyle's car but I like the price and power of the T78 more. What do you think? My car is apart right now so I could easily change it if I wanted to.
Old 12-06-02, 07:43 PM
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ive had the T78 twice and i can say the GT35/40 is a better overall pick for my street/strip driving.. The GT35/40 spools much faster than the T78 while still giving me great boost gains up high.. dollar for dollar i think the GT35/40 is much better than the mitsubishi T78... ok lets take Jason's prices (which are pretty competive and not near retail)

Greddy T78
$3399
Mitsubishi T78
-does not fit perfect needs j-spec manifold or dent your downpipe.
-wastegate is routed to atmosphere
-mild steel downpipe


Garrett 35/40
$3900
Garrett 35/40
-will fit perfect on U.S. RX7's.
-wastegate is rerouted with a flex-pipe to downpipe
-downpipe is stainless steel
-the compressor housing is polished
-the downpipe is jet-coated
-most of all the GT35/40 is a true dual ball-bearing design giving fast response
-water cooled bearings for increase cooling
-plus customer support through RX7-store/a-spec is much better than calling greddy (installation questions,missing parts,damage,etc..)

so for $500 more for the GT35/40 you get the all the differences listed above

remember im using RX7 store pricing...normal retail on the Greddy T-78 is $4500..so at Retail level the GT35/40 blows the T-78 price wise

considering the GT35/40 is a fairly new kit for the RX7 and not many people have it compared to the Greddy/HKS/Blitz/Apexi ... im impressed to see many people already putting down over 400rwhp while having great spool-up. overall i think the GT35/40 is the best overall turbo kit per dollar

either way both turbo kits work well on RX7's.. im just happy to see more single turbo RX7's on the street every day!



Originally posted by lane_change
II was going to go GT35/40 as well, I love Kyle's car but I like the price and power of the T78 more.
Old 12-06-02, 08:02 PM
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T-78 all the way. It eats GT35/40's for lunch

I also use the Spec 4 puck clutch and it holds up well. Good clutch for the street.

Jason
Old 12-06-02, 08:08 PM
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Originally posted by Jason
T-78 all the way. It eats GT35/40's for lunch

Jason
Any day baby, any day

GT35/40 is what I run, you can take that T78 lagmaster all the way home.

Last edited by MeLoco; 12-06-02 at 08:11 PM.
Old 12-07-02, 11:34 AM
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WTF is wrong with it now?

 
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Lagmaster That's great! But I think there is only one king of lag on a stock ported motor.

HKS T51 KIA Kit

Short oversized manifold, undivided turbine housing. It sure looks pretty though
Old 12-07-02, 12:00 PM
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Originally posted by MeLoco


Any day baby, any day

GT35/40 is what I run, you can take that T78 lagmaster all the way home.
You really are loco.
Old 12-07-02, 01:14 PM
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Originally posted by Jason
T-78 all the way. It eats GT35/40's for lunch

Jason
And exactly WHO's T78 ate WHO's GT35/40? I certainly don't remember anything like that here locally!

You have to keep your car running to eat others lunches...

K
Old 12-07-02, 03:42 PM
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Originally posted by TYSON
Lagmaster That's great! But I think there is only one king of lag on a stock ported motor.

HKS T51 KIA Kit

Short oversized manifold, undivided turbine housing. It sure looks pretty though
I agree that is the lagmaster.
Old 12-07-02, 03:43 PM
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Originally posted by Jason


You really are loco.
not really just insane, there is a difference you know.
Old 12-09-02, 08:15 AM
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I would upgrade the fuel pump, change the clutch disk, and buy a datalogic.
Old 12-10-02, 06:01 PM
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GOD u guys pay alot for GT series turbo`s.

I can get a GT35/40 for 2k AUS - which is 1k US....
Or are u talking about kits? if so, wat is in the kits??

Cheers
ben
Old 12-11-02, 12:38 AM
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where in australia??
Old 12-11-02, 05:19 PM
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The $3900 US is for a kit. Includes turbo, manifold, wastegate, downpipe (ceramic coated and gate plumbed into downpipe), and all fittings/lines. Pretty sure it comes with an air filter as well?

Correct me if I'm wrong.

RX-TION...that really pisses me off. I bought my GT3540 last January for $3k AUD, which at the time was about $1800 USD!!!

Damn that sucks...
Old 12-11-02, 06:26 PM
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hey .. brad .. thanks again.
Old 12-12-02, 08:56 AM
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poor ihor is still banned i think....he could give his 2 cents

yes he went to act 6 puck, and you might want to think about your diff....seems he started breaking everything once he got that turbo
Old 12-12-02, 10:06 AM
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i started breaking everything once i actually got to drive my car
Old 12-24-02, 06:15 AM
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Wont be long now! Everything arrived at KDR and is being installed. Next week will be dyno tuning and finally on the road! I will post a dyno sheet.
Old 12-24-02, 10:27 AM
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ZoomZoom, what a great (only a few days late) Xmas present to yourself! Be careful driving that beast home!!!

K
Old 12-24-02, 12:28 PM
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Originally posted by Jason
T-78 all the way. It eats GT35/40's for lunch

I also use the Spec 4 puck clutch and it holds up well. Good clutch for the street.

Jason
I have driven Jason's 4-pucked T78. The 4 puck isn't that bad at all. I have no fears about putting in a 6-puck (in terms of driveability) after driving the 4-puck. Reverse is kinda funny, but manageable.

About the T78: After driving and tuning Rmagic's and Jason's car...properly tuned and on a properly prepared motor these turbos ROCK. But that is true for any turbo/motor combination. The engine is the foundation, and the turbo builds on that. Kyle's car is A BEAST! Time for a new license plate, Nocab!

To see T78s and GT35/40 Rx-7s running rampant on the outerbelts here is an amazing sight.



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