W211 AMG Discuss the W211 AMG's such as the E55 and the E63

IS THE 80MM TB ENOUGH?

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Old Jan 26, 2009 | 09:18 PM
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IS THE 80MM TB ENOUGH?

I was watching Top Gear and there was a Callaway Corvette that was SuperCharged that raced against a LP640,9FF and Ariel Atom and some other cars. So I was curious as to how much power the SuperCharged Callaway makes and here are the numbers: Take a look at the Injectors and TB. It appears that the only mods done were to add a SC, larger TB and larger Injectors. If they are using a 90mm TB and larger injectors to reach 580hp shouldn't we run a larger TB & Injectors to reach the 600-700hp that some of the members are reaching?

6.2 liter (378 cu.in.) V8, 90°, cast aluminum block and heads; 6-bolt cross-bolted main caps
Supercharger: Eaton/Magnuson 2000 cc Roots-style; with air/liquid intercooler integral to intake manifold. 44" Hg manifold pressure, absolute. (7 psig)
Bore x Stroke: 4.060 in. x 3.622 in.
Compression ratio: 10.7:1
Maximum Power: 580 bhp* @ 6200 rpm
Maximum Torque: 510 lb-ft* @ 4750 rpm
Maximum Engine Speed: 6500 rpm
Fuel system: Increased flow (53 lb/hr) fuel injectors; auxiliary fuel pump controller
Ignition system: coil per cylinder
Throttle body: 90mm diameter, drive-by-wire
*SAE test method
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Old Jan 26, 2009 | 10:08 PM
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'03 E55, Range Rover Sport Supercharged, Ducati 748R
no, 80 is not enough...

renntech now offers 82mm and it is likely the reason benzgal's car is such an animal. i'd even venture to say that we could run even larger on some of the more modified cars.
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Old Jan 26, 2009 | 10:26 PM
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I'm looking for a 90mm and up.....
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Old Jan 26, 2009 | 11:31 PM
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I told you, fool!!
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Old Jan 26, 2009 | 11:39 PM
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Let me know, bro... dying to test it out!! Hoping to drop the pressure and keep some power. Will you ECU tune as well?
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Old Jan 26, 2009 | 11:53 PM
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Originally Posted by jangy
I'm looking for a 90mm and up.....
Is there a such thing for our cars?????
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Old Jan 26, 2009 | 11:57 PM
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Alright, I admit it... I only opened this thread to see if Hammer Down changed his picture to some new ridiculous hottie...
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Old Jan 27, 2009 | 12:03 AM
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Originally Posted by Zax63
Alright, I admit it... I only opened this thread to see if Hammer Down changed his picture to some new ridiculous hottie...
Well
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Old Jan 27, 2009 | 12:15 AM
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haters crazy
^ Jessica Burciaga can get it any time

I am still on stock TB! Find me a bigger one that will work with my car and I will show you the money! lol

What size is the supercharger inlet on the E55? If the inlet is smaller then there is no point in going bigger.

Last edited by blackbenzz; Jan 27, 2009 at 12:24 AM.
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Old Jan 27, 2009 | 01:09 AM
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What is everyones opinion on getting an 80mm tb bored out larger? how big can the 80mm tb be bored out to...90mm??
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Old Jan 27, 2009 | 01:20 AM
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woah! maybe i should wait a little longer before getting the 80mm
where can we start to look for a larger TB?
would an 82mm or larger TB require a retune or will our ecus adapt to it?

please keep us posted on your setup sergs99m3, im ready to buy a TB!

btw would i be able to use the VRP cf airbox with a TB that is bigger than 80mm?

Last edited by jikjak; Jan 27, 2009 at 01:34 AM.
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Old Jan 27, 2009 | 02:27 AM
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yea, serge, keep us posted on 94mm tb...
wonder what the gains will be compared to 80mm...
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Old Jan 27, 2009 | 02:33 AM
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Originally Posted by blackbenzz
What size is the supercharger inlet on the E55? If the inlet is smaller then there is no point in going bigger.
match port it.
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Old Jan 27, 2009 | 07:16 AM
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somethings better left unsaid ...
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Old Jan 27, 2009 | 09:52 AM
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Originally Posted by aleksandar1099
What is everyones opinion on getting an 80mm tb bored out larger? how big can the 80mm tb be bored out to...90mm??
I dont think the walls are thick enough to port anywhere near that much
Originally Posted by Max.H
match port it.
Exactly. I was going to say that would have to be done, as well as fab up a new intake
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Old Jan 27, 2009 | 10:16 AM
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Wish we could put the AMG electronics on the Vette 90mm TB. We would need an adaptor plate under it though.

I know it's a Vadim or Finny kind job (some of the best custom fab guys) but what heck, we're brainstorming here.
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Old Jan 27, 2009 | 11:20 AM
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Originally Posted by Hammer Down
Is there a such thing for our cars?????
Not yet, but a few are on it. We'll see who comes through. The concept is actually very easy.
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Old Jan 27, 2009 | 11:23 AM
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Hmmm if renntech has an 82mm that means they must have an upgraded version for the 65's...
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Old Jan 27, 2009 | 11:23 AM
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Originally Posted by blackbenzz;3301006I am still on stock TB! Find me a bigger one that will work with my car and I will show you the money! lol
[B
Dunno what TB you run, sorry. But, consider it.[/B]

What size is the supercharger inlet on the E55? If the inlet is smaller then there is no point in going bigger.
The modification can be done to match the plenum. It is a perfect piece that has a sloped side to it making it easy to mate up. Perfect example is hacking a 65 82mmTB into the 55k plenum. Honestly, the 80mm ones are actually 78mm (lip on inside), so that is a 4mm gain.
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Old Jan 27, 2009 | 11:24 AM
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Originally Posted by V12Godspeed
Hmmm if renntech has an 82mm that means they must have an upgraded version for the 65's...
Haha!! Why would you think that? The 65 is the 82mm.....
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Old Jan 27, 2009 | 11:59 AM
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Originally Posted by jangy
Haha!! Why would you think that? The 65 is the 82mm.....
Is it? I thought it was 80mm...
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Old Jan 27, 2009 | 12:54 PM
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I don't reckon a 90 would be beneficial as our intercooler core is very restrictive.

Not only restrictive but inefficient at lowering air temperature which is measured in real time after the cooler thus affecting fuel, advance and spark etc...

My suggestion is to focus on reducing air temperature after the cooler and increase air flow through the cooler.

The Vette has real nice free flowing coolers like the SLR and would take advantage of a larger diameter TB but unfortunately the 55 is pushing the limit now and we need to go the next level to see any major gain.

For significant gain (software) Shut that bypass. Heaps of ponies to be gained here.

For massive gain, Big fat coolers.

My 2 cents...
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Old Jan 27, 2009 | 01:28 PM
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Originally Posted by Finny
For massive gain, Big fat coolers.
You mean like these:
Attached Thumbnails IS THE 80MM TB ENOUGH?-coolers.bmp  
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Old Jan 27, 2009 | 01:35 PM
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Originally Posted by Finny
I don't reckon a 90 would be beneficial as our intercooler core is very restrictive.

Not only restrictive but inefficient at lowering air temperature which is measured in real time after the cooler thus affecting fuel, advance and spark etc...

My suggestion is to focus on reducing air temperature after the cooler and increase air flow through the cooler.

The Vette has real nice free flowing coolers like the SLR and would take advantage of a larger diameter TB but unfortunately the 55 is pushing the limit now and we need to go the next level to see any major gain.

For significant gain (software) Shut that bypass. Heaps of ponies to be gained here.

For massive gain, Big fat coolers.

My 2 cents...
just raced and met a guy that has his by pass flap shut off by tunning from germany, also ecu n tcu. Looking into it.

p.s i did not know that the 65 had 82mm TB! i thought kleeman uses the 65 TB for their TB mod, but no where did i hear it was 82mm!!

80mm was the biggest you could get. Show source of info please!

and if it is 82 that would mean new y pipe and housing and etc?
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Old Jan 27, 2009 | 01:44 PM
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Hammer Down....Your avatar is not letting me focus......LOL!!
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