Maybach throttle body vs bored stocker
12-17-2005, 11:40 AM
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2003 E55 AMG
Maybach throttle body vs bored stocker
Ok guys.. I have the connections to order the Maybach throttle bodies at a good price.
Does anyone know if the Maybach throttle body will bolt right onto the supercharger or is there custom work required to make it fit?
Do you think it would be better to get the stocker bored out or use the Maybach one?
I heard that the Maybach unit has a bigger inlet tube (where the rubber Y-pipe connects to) than the stock one?
I know they are good for 25hp - 30hp, so I am going to tackle ripping my supercharger out and installing the bigger throttle body.. Maybe while I'm at it, I'll see what else I can get heat-coated..
Does anyone know if the Maybach throttle body will bolt right onto the supercharger or is there custom work required to make it fit?
Do you think it would be better to get the stocker bored out or use the Maybach one?
I heard that the Maybach unit has a bigger inlet tube (where the rubber Y-pipe connects to) than the stock one?
I know they are good for 25hp - 30hp, so I am going to tackle ripping my supercharger out and installing the bigger throttle body.. Maybe while I'm at it, I'll see what else I can get heat-coated..
12-17-2005, 12:26 PM
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I once again commend you on your quest for the 700hp and 10 second 1/4 mile. I wish I knew more to answer help your question, but at the minimum I am pullin' for ya.
12-17-2005, 08:08 PM
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2003 E55 AMG
Originally Posted by AMG BLISS
I once again commend you on your quest for the 700hp and 10 second 1/4 mile. I wish I knew more to answer help your question, but at the minimum I am pullin' for ya.
Still doing some research on which one to go with.. I'll post whatever I find out.
12-18-2005, 04:25 PM
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2003 E55 AMG
Originally Posted by Vadim @ evosport
Stay tuned. I will post the results and my thoughts on Monday.
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12-19-2005, 12:40 PM
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EuroCharged 2012 C63 BS Coupè
Originally Posted by The Godfather
wtf, and you know this because....?
KLEEMANN is making this claim of 25 to 35 rwhp with their TB on a 5.5L
My question is .......will the Maybach TB bolt onto my C55????
If so I'm in.
VADIM,,,,what do you think??
Last edited by NORTH 44 C63; 12-19-2005 at 12:42 PM.
12-19-2005, 12:47 PM
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North 44 C55, keep in mind the throttle body only increases hp when it's an actual restrisction on the intake system. If the C55 has the same throttle body as the Kompressor cars, I don't think it would increase any hp at WOT.
It would make the car feel faster at part throttle though.
It would make the car feel faster at part throttle though.
12-19-2005, 12:55 PM
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2003 E55 AMG
Originally Posted by The Godfather
wtf, and you know this because....?
I think I've been here long enough that you should know I don't pull numbers out of my ***. I've been on the fence on the throttle body issue for a while. Once the numbers started to come out from Kleemann I decided it was worth going to the trouble of pulling my supercharger and doing the swap.
12-19-2005, 01:05 PM
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2003 E55 AMG
Ahh... One interesting thing I forgot to mention.. The Maybach throttle bodies are actually $200 CHEAPER than the E55 stock throttle body...
12-19-2005, 08:15 PM
#12
Time has finally come to address intake restriction. The same Bosch throttle body is used on all 3-valve motors (430, 500, 55 and 55K) and also on C32s.
On the dyno, measuring just after the throttle body, there is a significant amount of vacuum present, indicating a flow restriction accross the throttle body. Or another way to put it - this motor is hungry for more air.
On the dyno we picked up 15HP and 13TQ (this is 3rd gear run, please do not confuse it with another post in 4th gear).
Vacuum loss accross TB dropped in half, which tells me we have another 13-15HP left in reducing restriction.
On the dyno, measuring just after the throttle body, there is a significant amount of vacuum present, indicating a flow restriction accross the throttle body. Or another way to put it - this motor is hungry for more air.
On the dyno we picked up 15HP and 13TQ (this is 3rd gear run, please do not confuse it with another post in 4th gear).
Vacuum loss accross TB dropped in half, which tells me we have another 13-15HP left in reducing restriction.
Last edited by Vadim @ evosport; 12-20-2005 at 07:07 PM.
12-19-2005, 08:26 PM
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Originally Posted by Vadim @ evosport
Time has finally come to address intake restriction. The same Bosch throttle body is used on all 3-valve motors (430, 500, 55 and 55K) and also on C32s.
On the dyno, measuring just after the throttle body, there is a significant amount of vacuum present, indicating a flow restriction accross the throttle body. Or another way to put it - this motor is hungry for more air.
On the dyno we picked up 15HP and 13TQ (this is 3rd gear run, please do not confuse it with another post in 4th gear).
Vacuum loss accross TB dropped in half, which tells me we have another 13-15HP left in reducing restriction.
On the dyno, measuring just after the throttle body, there is a significant amount of vacuum present, indicating a flow restriction accross the throttle body. Or another way to put it - this motor is hungry for more air.
On the dyno we picked up 15HP and 13TQ (this is 3rd gear run, please do not confuse it with another post in 4th gear).
Vacuum loss accross TB dropped in half, which tells me we have another 13-15HP left in reducing restriction.
So what is the solution? The Maybach throttle body?
12-19-2005, 08:48 PM
#14
So what is the solution? The Maybach throttle body
A new CNC body that retains the same bolt pattern can go up to 82 mm. I am pricing machine work out right now, hopefully will have some quotes shortly.
Another option is adopting bigger TB from Hemi (82mm). I am checking to see if electronics are compatable.
Going bigger will require pulling SC off the car and modyfying TB housing.
Expensive.
This why renntech charges $3995.
12-19-2005, 09:13 PM
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Originally Posted by Roupin
It would make the car feel faster at part throttle though.
12-19-2005, 09:38 PM
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Originally Posted by Vadim @ evosport
Very possibly. I have one on order, once it get here I can test it. At 80 mm it might not be big enough.
12-19-2005, 09:46 PM
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BMW E39
Originally Posted by Vadim @ evosport
Time has finally come to address intake restriction. The same Bosch throttle body is used on all 3-valve motors (430, 500, 55 and 55K)
Will this new application be compatible to the 4.3 liter motor?
12-19-2005, 10:56 PM
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No longer car shopping...
Originally Posted by newton22
So whatever the 55 owners are sporting as their throttle bodies, I can also use on the 430?
Will this new application be compatible to the 4.3 liter motor?
Will this new application be compatible to the 4.3 liter motor?
12-19-2005, 10:59 PM
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Originally Posted by ndabunka
Read this thread again and you will notice that the ones they use on the 55's are already identical tot he ones used on the 430's. You are talking about swapping out the same part (and size) for the same part (and size). Makes not sense. The 55's make their power elsewhere but simply re-use the 430's TB unit.
12-19-2005, 11:43 PM
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2003 E55 AMG
Hey Vadim,
This is great info and exactly what I was after!!
Are you saying I am better off purchasing a new E55 throttle body and having it CNC'd to 76mm rather than trying to fit the Maybach TB and an adapter instead?
Your post made it sound like the TB can be swapped WITHOUT pulling the supercharger??? Is this the case? Or does this differ based on whether I use the Maybach or not?
Thanks!!
This is great info and exactly what I was after!!
Are you saying I am better off purchasing a new E55 throttle body and having it CNC'd to 76mm rather than trying to fit the Maybach TB and an adapter instead?
Your post made it sound like the TB can be swapped WITHOUT pulling the supercharger??? Is this the case? Or does this differ based on whether I use the Maybach or not?
Thanks!!
12-20-2005, 12:54 AM
#23
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Let me try to say this in simple, purely made up numbers rather than theories, otherwise I'll start confusing myself as well as everyone else.
Let's say you press the gas pedal down 20%. Now let's say that 20% opening would allow 20cc of air into the engine. Now when you pop on a bigger throttle body, that same 20% opening would now allow 30cc of air into the engine. Fuel is accordingly provided, and hence the same throttle opening just provided a part throttle increase in power.
That's why most people with high stall race torque converters with low STR ratings upgrade to larger throttle bodies, whether they need to or not. It simply provides better throttle response.
Let's say you press the gas pedal down 20%. Now let's say that 20% opening would allow 20cc of air into the engine. Now when you pop on a bigger throttle body, that same 20% opening would now allow 30cc of air into the engine. Fuel is accordingly provided, and hence the same throttle opening just provided a part throttle increase in power.
That's why most people with high stall race torque converters with low STR ratings upgrade to larger throttle bodies, whether they need to or not. It simply provides better throttle response.
Originally Posted by Grumpy666
Actually, it would have the opposite effect. Part-throttle response is a function of velocity in the intake tract. A bigger throttle body would decrease flow velocity, and hence, part-throttle response.
12-20-2005, 01:01 PM
#24
Your post made it sound like the TB can be swapped WITHOUT pulling the supercharger???
Maybach TB will need a new adapter made to fit the TB housing and SC will have to come off. In addition new inlet splitter needs to be fabricated to fit over TB. About 6 hours.
