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2004 W211 E55 AMG >>gone but not forgotten > W123 280E > W124 E280 > W126 380SE
The car only lasted 30 minutes before the supercharger blew. Karpo reckons the motor can handle over 1000HP now and the intercooler saved it that time. He's been through a few but got another supercharger on order - wants to see how far he can push it...
At 4000 rpm he was at 22psi.
Last edited by TheTherapist; 07-12-2015 at 03:20 PM.
22 psi with our factory blower is insane..........like I didn't think it could be done kinda of insane. I have a simular pulley set up and I'm only pushing 16-17psi (map clamped) with cams, high flow heads and MBH headers. Not to mention true 3" exhaust with no cats and dumps before the mufflers.
Maybe he has factory headers and stock exhaust? That's a lot of pressure.....
I have run over 20psi but it goes into limp mode as soon as you let off the throttle and have to restart the car. You can get around that with a map clamp but I'd like a real solution like a new map sensor and rescaled ECU. I don't think the MAP sensor maxes out at 17PSI or I wouldn't get a signal over 20PSI through he OBDII. It's in the code in the ECU
Btw, that thing is probably making way too much heat spinning it out of its efficiency range. The rotors expanded and touched and kaboom. Same thing will happen again. I have a E55 SC laying around when he needs another lol
2004 W211 E55 AMG >>gone but not forgotten > W123 280E > W124 E280 > W126 380SE
Originally Posted by blackbenzz
I have run over 20psi but it goes into limp mode as soon as you let off the throttle and have to restart the car. You can get around that with a map clamp but I'd like a real solution like a new map sensor and rescaled ECU. I don't think the MAP sensor maxes out at 17PSI or I wouldn't get a signal over 20PSI through he OBDII. It's in the code in the ECU
Btw, that thing is probably making way too much heat spinning it out of its efficiency range. The rotors expanded and touched and kaboom. Same thing will happen again. I have a E55 SC laying around when he needs another lol
Karpo has been through a few superchargers already and another on order. He's known as "The crazy Russian!"
Yeah he'll probably grab your supercharger for the right price. He picked up one recently on eBay for $300 although obviously that one was a bargain.
Last edited by TheTherapist; 07-13-2015 at 11:19 AM.
I have run over 20psi but it goes into limp mode as soon as you let off the throttle and have to restart the car. You can get around that with a map clamp but I'd like a real solution like a new map sensor and rescaled ECU. I don't think the MAP sensor maxes out at 17PSI or I wouldn't get a signal over 20PSI through he OBDII. It's in the code in the ECU
Btw, that thing is probably making way too much heat spinning it out of its efficiency range. The rotors expanded and touched and kaboom. Same thing will happen again. I have a E55 SC laying around when he needs another lol
This. My map sensor has logged 18.6 psi on a 175/77 combo each time it went into limp mode after letting off but the sensor got the signal. The motor blew on the second "limp mode" pass.
I'm sitting here contemplating trying a 180/77 or 74 now that I have less intake restriction and seeing much less boost but if I blow another motor I could have easily afforded a weistec... Decisions...
If I am following this correctly it is stated here we do not have the ability to scale for a different map, and even if that was possible, we do not have the ability to remove the limp mode triggered by sensor readings over, say, 18psi?
07-12-2015, 10:17 AM
