Spec 3 or Spec 3+ With my NA-T set up?
03-25-09, 08:46 PM
#1
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Spec 3 or Spec 3+ With my NA-T set up?
Ok guys its almost time to get my project going just knocking off a few more parts off the list before it goes under the knife. Right now i am debating on what clutch to go with. I have decided that i will be going with Spec Stage 3 clutch, but am not sure if i should go with the Spec Stage 3 or Stage 3+. For all you NA-T heads out there what do you think would be best with my set up.
Fully rebuilt 2JZGE w/ 1.3mm HG
PT-61 turbo
DaveH Manifold
Front Mount Intercooler 32x8x3.5
Tial Wastegate
MAP ECU
550cc rx7 injectors
Custom 3" mandrel piping to magnaflow 14835
255lph walboro Fuel Pump
Apexi BOV
2.5" Intercooler piping
Stage 1 AIS water methanol injection
Also with this set up what kind of numbers do you guys think i will be making? I was hoping to make around 400 give or take 50.
Fully rebuilt 2JZGE w/ 1.3mm HG
PT-61 turbo
DaveH Manifold
Front Mount Intercooler 32x8x3.5
Tial Wastegate
MAP ECU
550cc rx7 injectors
Custom 3" mandrel piping to magnaflow 14835
255lph walboro Fuel Pump
Apexi BOV
2.5" Intercooler piping
Stage 1 AIS water methanol injection
Also with this set up what kind of numbers do you guys think i will be making? I was hoping to make around 400 give or take 50.
03-25-09, 11:13 PM
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You certianly have the makings of a 400+ whp SC. Interestingly enough, its the +/-50 hp notation you made that is actually quite meaningful as it impacts two things. Fuel system and tranny.
fwiw, I got two years and about 18k on my stage three kevlar kevlar clutch. It was fine until I finally sorted out the mis-fire gremlins that held me to the lower range of 400whp late last year. In my case the slippage reared its head at the ~440 whp and is brought on by repeated WOT run through the gears, especially on track days. Realistically the slippage is probably responsible for the general good health and survival of my w58 tranny. You did not say what you have in that regard.
At this point I am in r154 parts collection mode with the tranny in house.
It was the dyno tune truth that the 550cc eom MKIV TT injectors were at or nearing their duty cycle max as whp hit into the mid-400's that lead me to upgrade to 700cc top feed as an engine safety margin issue.
So my experience (on the 2jzgte) was that advancing into 400+whp level was a meaningful thresehold event. Don't be surprised as fuel / w58 tranny issues make themselves known in that zone.
fwiw, I got two years and about 18k on my stage three kevlar kevlar clutch. It was fine until I finally sorted out the mis-fire gremlins that held me to the lower range of 400whp late last year. In my case the slippage reared its head at the ~440 whp and is brought on by repeated WOT run through the gears, especially on track days. Realistically the slippage is probably responsible for the general good health and survival of my w58 tranny. You did not say what you have in that regard.
At this point I am in r154 parts collection mode with the tranny in house.
It was the dyno tune truth that the 550cc eom MKIV TT injectors were at or nearing their duty cycle max as whp hit into the mid-400's that lead me to upgrade to 700cc top feed as an engine safety margin issue.
So my experience (on the 2jzgte) was that advancing into 400+whp level was a meaningful thresehold event. Don't be surprised as fuel / w58 tranny issues make themselves known in that zone.
Last edited by SCoupe; 03-25-09 at 11:18 PM.
03-25-09, 11:26 PM
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You certianly have the makings of a 400+ whp SC. Interestingly enough, its the +/-50 hp notation you made that is actually quite meaningful as it impacts two things. Fuel system and tranny.
fwiw, I got two years and about 18k on my stage three kevlar kevlar clutch. It was fine until I finally sorted out the mis-fire gremlins that held me to the lower range of 400whp late last year. In my case the slippage reared its head at the ~440 whp and is brought on by repeated WOT run through the gears, especially on track days. Realistically the slippage is probably responsible for the general good health and survival of my w58 tranny. You did not say what you have in that regard.
At this point I am in r154 parts collection mode with the tranny in house.
It was the dyno tune truth that the 550cc eom MKIV TT injectors were at or nearing their duty cycle max as whp hit into the mid-400's that lead me to upgrade to 700cc top feed as an engine safety margin issue.
So my experience (on the 2jzgte) was that advancing into 400+whp level was a meaningful thresehold event. Don't be surprised as fuel / w58 tranny issues make themselves known in that zone.
fwiw, I got two years and about 18k on my stage three kevlar kevlar clutch. It was fine until I finally sorted out the mis-fire gremlins that held me to the lower range of 400whp late last year. In my case the slippage reared its head at the ~440 whp and is brought on by repeated WOT run through the gears, especially on track days. Realistically the slippage is probably responsible for the general good health and survival of my w58 tranny. You did not say what you have in that regard.
At this point I am in r154 parts collection mode with the tranny in house.
It was the dyno tune truth that the 550cc eom MKIV TT injectors were at or nearing their duty cycle max as whp hit into the mid-400's that lead me to upgrade to 700cc top feed as an engine safety margin issue.
So my experience (on the 2jzgte) was that advancing into 400+whp level was a meaningful thresehold event. Don't be surprised as fuel / w58 tranny issues make themselves known in that zone.
03-26-09, 09:42 AM
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Nothing and I'm not much of a resourse on clutches other than what I stated above.
I trusted my shop who did the swap work and they had the Kevlar Kevlar clutch custom built at a local shop. No chatter, oem feel and I've been very happy (excepting the above caveat as the whp bumped up).
Biggu, sorry to hear that. I hope other stage 3 clutches aren't like this.
I trusted my shop who did the swap work and they had the Kevlar Kevlar clutch custom built at a local shop. No chatter, oem feel and I've been very happy (excepting the above caveat as the whp bumped up).
Biggu, sorry to hear that. I hope other stage 3 clutches aren't like this.
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