GT2 Clutch Slave in a 997TT
#16
09-01-2009, 09:47 PM
Join Date: Jul 2008
Location: Texas
Posts: 3,191
Rep Power: 341 
So I went by EVOMS today after work. They didn't have a stock 997TT with the conversion. Closest was a 996TT with the GT2 clutch slave and an upgraded clutch. Wow. Heavy pedal doesn't begin to describe. Was told the OEM clutch with the conversion would be lighter. Suppose I could get used to it even if it wasn't, but polar opposites as far as pedal effort.
Oh, decisions, decisions.....
Oh, decisions, decisions.....
#17
09-01-2009, 11:32 PM
So I went by EVOMS today after work. They didn't have a stock 997TT with the conversion. Closest was a 996TT with the GT2 clutch slave and an upgraded clutch. Wow. Heavy pedal doesn't begin to describe. Was told the OEM clutch with the conversion would be lighter. Suppose I could get used to it even if it wasn't, but polar opposites as far as pedal effort.
Oh, decisions, decisions.....
Oh, decisions, decisions.....
The car becomes less luxury and more Porsche pure in my opinion
For me it was about creating a car with artistic flair wallking the fine line of daily driving ability with tuned supercar capability .
I love this car .
#18
09-01-2009, 11:36 PM
Sounds like a PITA to me. Summary of the labor from one of the senior wrenchers at EVOMS:
You have to remove the powersteering pump and actually remove the coupler that pumps fluid down to the slave on the transmission....once that is done, the Slave needs to be pulled out and replaced with a new bracket and slave cylinder. NOW! before you hook up the new slave to the pedal, you need to remove the master cylinder and pedal assist spring and replace them from a GT2 unit. The last step before hooking up the new slave cylinder is you have to COMPLETELY clean out the line. The factory fluid is called Pentosin. It is very very very damaging to rubber seals. The GT2 unit uses rubber seals in its master cylinder and slave, so you have to replace the pentosin with brake fluid, just the like the GT2 has from factory. Then the new slave can be hooked up and bled. The labor time on it is very intense I think its about 6 hours on a 997tt.
Man, this conversion sounds like exactly what I'm looking for. Just can't justify the cost now....
You have to remove the powersteering pump and actually remove the coupler that pumps fluid down to the slave on the transmission....once that is done, the Slave needs to be pulled out and replaced with a new bracket and slave cylinder. NOW! before you hook up the new slave to the pedal, you need to remove the master cylinder and pedal assist spring and replace them from a GT2 unit. The last step before hooking up the new slave cylinder is you have to COMPLETELY clean out the line. The factory fluid is called Pentosin. It is very very very damaging to rubber seals. The GT2 unit uses rubber seals in its master cylinder and slave, so you have to replace the pentosin with brake fluid, just the like the GT2 has from factory. Then the new slave can be hooked up and bled. The labor time on it is very intense I think its about 6 hours on a 997tt.
Man, this conversion sounds like exactly what I'm looking for. Just can't justify the cost now....
Well... honestly though the stock clutch is good for over 600hp so even with a flash and exhaust you'll be good on the stocker for some time... The slave conversion done on your car will feel exactly like a factory GT3... Sit in one at a dealer and try the pedal. I'm sure you felt one with a beefy pressure plate from a stage III etc... which will need way more pressure.
#19
09-03-2009, 01:03 PM
Join Date: Jul 2008
Location: Texas
Posts: 3,191
Rep Power: 341 Well... honestly though the stock clutch is good for over 600hp so even with a flash and exhaust you'll be good on the stocker for some time... The slave conversion done on your car will feel exactly like a factory GT3... Sit in one at a dealer and try the pedal. I'm sure you felt one with a beefy pressure plate from a stage III etc... which will need way more pressure. I believe Ian told me it was 3900 lbs of pressure required to depress that particular clutch (3100-3200 on a stock 997?)
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