What exactly does the TCU mod do?
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'05 E55, '12 C63
What exactly does the TCU mod do?
I have been reading threads upon threads on this mod, does it just make the car shift quicker?
What other benefits are there with the TCU mod?
What are the downsides as I'm sure there some as with any modding?
For instance, I don't want to raise the redline, would rather that stay stock.
What else does the tune do? Torque converts? etc.?
Thanks all
What other benefits are there with the TCU mod?
What are the downsides as I'm sure there some as with any modding?
For instance, I don't want to raise the redline, would rather that stay stock.
What else does the tune do? Torque converts? etc.?
Thanks all
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From: Jacksonville, FL
05 White Pano E55, Cadillac CTS-V
You could probably tell them to set the shift point lower, but it will come with a higher shift point around 6700rpm, I personally don't like it since my car runs faster when I would manually shift more around 6400. It reduces the torque limiters in the car and increases line pressure to the shift solenoids so it will shift a little firmer/quicker and then allow the car to "make" more power from the raised torque limiters or should I say not take power away when ripping on it during certain situations.
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'05 E55, '12 C63
Thanks for the explanation.
Any downsides that you know of with getting this? Trans failure? Obviously that a function of the right foot, too, but anything else that's a con?
Quicker/firmer shifts and torque limiter corrections are great, especially on a car like this.
Any downsides that you know of with getting this? Trans failure? Obviously that a function of the right foot, too, but anything else that's a con?
Quicker/firmer shifts and torque limiter corrections are great, especially on a car like this.
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From: Toronto
2004 E55
i too have a question...i recently had my car tuned, but dont have the TCU mod yet...am i the only that notices that with some mods you really notice the RPM slowing down around the time its about to shift? does the TCU mod eliminate this?
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05 E55, 07 ML500
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'05 E55, '12 C63
Thanks guys.
I understand this is a great mod, just trying to see what sort of pitfalls/downsides the mod has.
How long have you guys had the TCU mod and what are you driving habits? Hammering the thing from key on to key off, or the occasional sprint here and there? Any issues at all with the TCU Tune?
I understand this is a great mod, just trying to see what sort of pitfalls/downsides the mod has.
How long have you guys had the TCU mod and what are you driving habits? Hammering the thing from key on to key off, or the occasional sprint here and there? Any issues at all with the TCU Tune?
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05 e55 amg
I thought about the tcu tune but I heard just raises the rev limiter also saw a blown engine on the forum from tcu tune car is redlining higher rpm. More people recommended me not to do it I'm happy with just the Ecu tune. I would advise not too. Just putting more pressure on the transmission and engine. Good luck
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05 White Pano E55, Cadillac CTS-V
I run mine hard often, no issues. And the "blown engine" from tcu is bull****. I am sure you are talking about the guy I bought the tuned tcu from. His car broke and he blamed the tcu then he was parting some things out and I bought his Eurocharged tcu and have been running it for thousands of miles, multiple 1/4 mile visits and many hard runs.
Forget his username but pretty sure it would be the same guy.
Forget his username but pretty sure it would be the same guy.
With are 5 speed slush box whats the point ? I could understand if we had DCT or even the MCT wet clutch.
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05 e55 amg
I run mine hard often, no issues. And the "blown engine" from tcu is bull****. I am sure you are talking about the guy I bought the tuned tcu from. His car broke and he blamed the tcu then he was parting some things out and I bought his Eurocharged tcu and have been running it for thousands of miles, multiple 1/4 mile visits and many hard runs.
Forget his username but pretty sure it would be the same guy.
Forget his username but pretty sure it would be the same guy.
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2006 E55
-Increased line pressure,
-Raising rev limiter
Raising the rev limiter on this motor might not be the best idea as they suffer from fuel starvation stock already. Having said that, you can tell Jerry/EC NOT to raise your rev limiter and keep it stock (which is what I plan to do).
The other issue is dependent on how you drive the car, really. I am the type of person that rarely sees enough open road to go through a couple gears. Usually, it's a one-shift sprint, say 40-80 run or 20-80 run. I try to drive the car hard as much as I can, but it's difficult given traffic, road conditions etc.
It's a no brainer to get it, makes the car much more crisp and smooth IMO. This tune coupled with EC's ECU tune, the car will feel like a completely different animal and leave you hungry for more.
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From: Houston
2003 W211 E55, 2003 W220 S600
my car (w211 and W220) both shifts super quick in M mode with a TCU remap.
basically shift time is decreased, line pressure is increased by 10 to 15 percent, torque limit threshold is increased, redline is increased if per customer requests.
basically shift time is decreased, line pressure is increased by 10 to 15 percent, torque limit threshold is increased, redline is increased if per customer requests.
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From: A.D., U.A.E
2000 (W202 C200) & 2000 (W202 C55)
Its good ques.,
besides: is it better if E55 owners, switched there end, from 2.65 to 2.82,
i believe, the SL55 is the only one from the 55Ks family, which has 2.82,,
2.65 is soo long, 2.82 is great compromise.....!!
ZAYED,,
besides: is it better if E55 owners, switched there end, from 2.65 to 2.82,
i believe, the SL55 is the only one from the 55Ks family, which has 2.82,,
2.65 is soo long, 2.82 is great compromise.....!!
ZAYED,,
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From: Jacksonville, FL
05 White Pano E55, Cadillac CTS-V
When people say "fast" shifts or "fast" reaction they really mean "faster" but still slow lol. I hit the button about 300rpms before I want it to shift.
Last edited by urbamworm; Sep 4, 2013 at 07:28 PM.
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CTSV/6sp Grocery Getter
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E 63S Wagon Renntech, E55 Renntech, SL65, SL 55 030, ML, bunch of old ones--they come, they go...
So..
all that being said, who would you recommend? If you're going hard knock someone, maybe do it with PM...
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From: Jacksonville, FL
05 White Pano E55, Cadillac CTS-V
It don't matter who you use, it isn't going to shift any faster between different tuners. The transmission has to drop so many rpms between gears it just takes longer due to the long gearing with the 5 speed. And then the nature of the transmission just makes it not nearly as fast as other transmissions out there.
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From: Jacksonville, FL
05 White Pano E55, Cadillac CTS-V
Yes there is a change, you can definitely notice a change. What you can't expect is for your E55 transmission to turn in to one of the more modern dual clutch transmissions that shift fast. The transmission is still going to be a slow shifter and be lazy on the shift instead of neck snapping. It just won't be as lazy since it is a little quicker and a little firmer, not mind blowing though so one should not expect a massive transformation.
