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

What am I leaving out?

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Old Dec 27, 2001 | 03:27 PM
  #1  
Jedon's Avatar
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Slave2TheFD
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What am I leaving out?

I'm assembling all the parts I need to go single, here is what I have so far:
Engine with all new housings and rotors, streetported with stock 2mm seals
PowerFC w/commander to be dyno tuned with PowerExcel at XS
Random Cat
Boost gauge
GReddy Cat Back
SFP downpipe
SFP manifold
T04E 60-1 .7 comp, 1.15 A/R P-Trim
HKS standard wastegate
Walbro HP 255lph pump
Optima Red gel battery behind passenger
850cc primary, 1300cc secondary injectors
PFS stock mount IC
Tial BOV
GReddy Profec A
12" x 4" K&N Filter

Susp:
Racing Beat springs/GAB Super shocks
Pettit Trak-Pro from sway bar
Yoko A032R's on Fikse 17x10

Safety:
Autopower race chromoly rollbar
Sabelt 5pt harness
Corbeau seat

Questions:
1. Fuel pressure regulator?
2. HKS TwinPower?
3. Plugs/Wires?
4. What am I leaving out?
I want ~450RWHP if possible, and am on a tight budget since the engine rebuilt is killing me, $4300 in parts alone from Mazdacomp!
Thanx!
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Old Dec 27, 2001 | 04:03 PM
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i would invest in the twin power if you are gonna use the PFC. if you are using haltech get MSD 6a's you seem to have everything. i'm also having my engine rebuilt with all new parts except rotors and eshaft so i feel your pain
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Old Dec 27, 2001 | 04:18 PM
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Gaijin Racing
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I've yet to see a 60-1 do 450 rwhp. Its been said that it can be done, but I have not seen it yet. Does anyone have any dyno charts with one of these doing 450 rwhp, I'm pretty curious.
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Old Dec 27, 2001 | 04:20 PM
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you dont need a FPR, but it would definately help if you got one. XS knows what they are doing in terms of tuning, so i wouldn't be worried about that. its reccomended to run a twin power and new plugs/wires to make sure you have enough spark. other than that...youre all set! after all that, i suggest you invest in a KAAZ LSD, since the stocker wont hold up to all that power.
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Old Dec 27, 2001 | 04:26 PM
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Slave2TheFD
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DOH I forgot a few other things I have:
ACT street/strip 30% over HD clutch
M2 9.5lb flywheel
PFS crossdrilled rotors with Hawk Blue pads (track only)
braided SS brake lines

JoedD: So would I need a FPR or a RRFPR? What fuel pressure would I run?

Kurgan: okay, how about 420? I think I'll be limited to 17.5 psi right now, which seems to be in the upper effeciency range of this turbo anyhow.

Vosco: So now I need to find another $400 for TwinPower/MSD 6a's, great :cry:
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Old Dec 27, 2001 | 04:30 PM
  #6  
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Slave2TheFD
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Oh and what about plugs, what temp to run? I just got new NKG wires a few hundred miles ago, are those ok?
Also I'm getting all new synchros in my tranny and putting redline in it and my differential, and I have a short throw shifter.
I'll also be filling the cooling system with NPG+
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Old Dec 27, 2001 | 04:35 PM
  #7  
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Originally posted by Jedon
Oh and what about plugs, what temp to run? I just got new NKG wires a few hundred miles ago, are those ok?
Also I'm getting all new synchros in my tranny and putting redline in it and my differential, and I have a short throw shifter.
I'll also be filling the cooling system with NPG+
run NGK 10.5s

and yes, the turbo will do 420 rwhp. BDC did 424 at 17psi with a .96 undivided exhaust housing.
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Old Dec 27, 2001 | 04:37 PM
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Slave2TheFD
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I just keep thinking of more stuff to add!
Do I need: Hardened stationary gears, modified e-shaft, lightened rotors,Double throttle body elimination,Throttle body coolent elimination, Shortened 5th Gear, -10 AN fuel lines?
Okay I'm just going nuts now :-D
Anyway, it will be a multi-purpose car that I will be AutoX, RoadRace track, Drag, and street car.
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Old Dec 27, 2001 | 04:38 PM
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Slave2TheFD
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Oh! Do I need pulleys?
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Old Dec 27, 2001 | 04:45 PM
  #10  
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Slave2TheFD
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Kurgan: cool thanx, do have the part# for the 10.5's? should I run those all around or hotter in the trailing?
I'll have a 1.15 A/R divided so maybe a little more than 420? I'll probably be happy with 400-410 and then after a while my butt dyno will be wanting more
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Old Dec 27, 2001 | 05:50 PM
  #11  
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IGY
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Originally posted by Kurgan
I've yet to see a 60-1 do 450 rwhp. Its been said that it can be done, but I have not seen it yet. Does anyone have any dyno charts with one of these doing 450 rwhp, I'm pretty curious.
Did you know that the 60-1 AR .70 and the TO4S are the same. I have physically compared the two. The only difference is that the TO4S wheel has more spacing on the back side of the compressor wheel and requires the use of the 62-1 backplate(has nothing to do w/ the flow characteristics of the turbo and has everything to do w/ Garett Japan being a ripoff and making things barely different so that you can't use someone else's cheap parts).
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Old Dec 27, 2001 | 06:00 PM
  #12  
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Slave2TheFD
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From: Nevada City, CA
Wow thank you IGY, I had no idea they were the same. Hmm XS said they got 476RWHP from a T04S, and people are saying 420RWHP is what the 60-1 is capable of, perhaps it depends greatly upon the compressor and exaust A/R's as well as the trim?
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