TTS Rotrex Supercharger C38-92 Build Thread
Joined: Sep 2005
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From: Baraboo, WI
This is very promising! Man...I really need to get a return fuel system! Looking good! I'm still on 93 octane and just about all out of fuel with no restrictor around 6800rpm. I'll get some of my info up soon. Thanks for the data!
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Joined: Feb 2008
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From: SILVERSTONE
Car was sputtering up in the 7K rpm and whp was flatten out in the high rpms. Idle was lumpy and all over the place. Changed to ID1000 injectors and still had the same problem. Found out one of the coil was bad. These coils probably had 115K miles on them. Replaced it by process of elimination and the car idled like stock and pulled strong to redline.
Put about 1000miles on her so far. No major issues. Still tweaking the tune. Everything is holding up. Leaning out up top. The fuel pump is still on the stock harness. Will rewire a relay to see if I can get something out of the AEM320L E85 pump before switching to a bigger pump. Injector duty is at 100%.
The graph below is on E85, ~10K rpm @ 20psi with 20ignition timing up top. Knock volts are between 2-3 volts @ 8-9k rpm.
This is on stock exhaust with a test pipe. The first run is in red. Added more fuel on the second run (blue line).
Put about 1000miles on her so far. No major issues. Still tweaking the tune. Everything is holding up. Leaning out up top. The fuel pump is still on the stock harness. Will rewire a relay to see if I can get something out of the AEM320L E85 pump before switching to a bigger pump. Injector duty is at 100%.
The graph below is on E85, ~10K rpm @ 20psi with 20ignition timing up top. Knock volts are between 2-3 volts @ 8-9k rpm.
This is on stock exhaust with a test pipe. The first run is in red. Added more fuel on the second run (blue line).
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Joined: Jun 2010
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I'm overspinning it to 10K, but we will see if the head or the supercharger let go first.
Not exactly to 10K. About 9800rpm. Can't really tell where the 10K limit is at when the redline is flashing. My map goes to 11K rpm. This on E85 and I find that the car can take AFR 11-13 without a problem with no knock.
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Joined: Jun 2010
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Actually there is not that much to update.
Car still runs great and still going strong with E85 @ 10K RPM. No issues whatsoever with the kit. Rides like stock, no exhaust drone and not vibration. The PSS9 coils makes the car rides butter smooth.
Let a friend borrowed the car and it came back with broken differential and then a couple days later second gear went out. Bought the car used, so who knows how much abuse it has taken. I've come to learn that you if you don't know how to drive it, it'll break. So don't let your friends drive it.
So I put in a used transmission and stock differential and everything has been running smooth so far. You just can't launch like boss and powershift @10krpm.
The Ptuning Kit GTX3076R @ 25psi is balls to the walls scary when boost kicks in, that's 400 torque @ 5000rpm. The TTS supercharger is tame compared to a turbo setup. I like driving both cars depending on my mood. Lately I've been driving the TTS more because it is more relaxing especially on a long commute and the power is there when you need it, just have to downshift.
Car still runs great and still going strong with E85 @ 10K RPM. No issues whatsoever with the kit. Rides like stock, no exhaust drone and not vibration. The PSS9 coils makes the car rides butter smooth.
Let a friend borrowed the car and it came back with broken differential and then a couple days later second gear went out. Bought the car used, so who knows how much abuse it has taken. I've come to learn that you if you don't know how to drive it, it'll break. So don't let your friends drive it.
So I put in a used transmission and stock differential and everything has been running smooth so far. You just can't launch like boss and powershift @10krpm.
The Ptuning Kit GTX3076R @ 25psi is balls to the walls scary when boost kicks in, that's 400 torque @ 5000rpm. The TTS supercharger is tame compared to a turbo setup. I like driving both cars depending on my mood. Lately I've been driving the TTS more because it is more relaxing especially on a long commute and the power is there when you need it, just have to downshift.