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Tuning guys ITT. What do you think about ESStunings supercharger tune? Tuning guys ITT. What do you think about ESStunings supercharger tune?
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Old 3rd September 2011, 00:57   #1
///mfizzle
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Tuning guys ITT. What do you think about ESStunings supercharger tune?
Ok so I'm about to pull the trigger on the ESS vt550 kit.

BimmerBoost - ESS E39 M5 Independent S62 Supercharger Dyno Numbers Continue to Come up Short?

But reading this makes me scared of there tune. Active is about an hour away from me. Would anyone suggest me taking the car to active after the supercharger install and have them re tune it for me? Just an idea.

And why don't any of the cars reach the 500whp claimed number?
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Old 3rd September 2011, 01:29   #2
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Actually, the ESS tune is excellent and those bimmerboost guys crap on everything. They made fun of my 11.84 1/4 mile run as well. A cynical bunch over there.

That said, I've never seen a claim of 500 whp made by ESS. 550 hp at the flywheel works out to closer to 450 at the wheels which many, including myself, have surpassed.
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Old 3rd September 2011, 01:33   #3
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From what I've seen the ESS setup works very well and it has been on a lot of cars for a long time.
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Old 3rd September 2011, 01:40   #4
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Quote:
Originally Posted by ///mfizzle View Post
And why don't any of the cars reach the 500whp claimed number?
Why would a 550 kit net 500whp? The avg drive train loss for FWD is 15% whereas RWD is 18%. It should come out to around 451whp.
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Old 3rd September 2011, 01:41   #5
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Yes, I always thought the "claimed" numbers were flywheel numbers which the kit seems quite capable of.

I had never visited that site before you linked it but they seemed very critical of ESS. I noticed it was stated:

"There are a bunch of pissed off ESS sc'd people on m5board wondering where their horsepower is"

Are there?
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Old 3rd September 2011, 01:42   #6
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Quote:
Originally Posted by josiahg52 View Post
Are there?

There was only one that I could think of and now he's making his own supercharger kits...
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Old 3rd September 2011, 01:43   #7
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Don't see a dyno of that car in stock. From what I've seen it's really not that uncommon to see a stock car dyno -30whp under the claimed hp. The gain is what matters. Might not be the case but just pointing it out.

That being said I've been more than pleased with the ESS setup on my E46. The software is better than OEM.
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Old 3rd September 2011, 01:51   #8
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Quote:
Originally Posted by Exorcist View Post
Don't see a dyno of that car in stock. From what I've seen it's really not that uncommon to see a stock car dyno -30whp under the claimed hp. The gain is what matters. Might not be the case but just pointing it out.

That being said I've been more than pleased with the ESS setup on my E46. The software is better than OEM.
Quote:
Originally Posted by bimmerule View Post
Why would a 550 kit net 500whp? The avg drive train loss for FWD is 15% whereas RWD is 18%. It should come out to around 451whp.



ESS shows a dyno on there site.

Flywheel numbers they claim:

Horsepower: 542 SAE/550 DIN
Torque: 457 lb-ft/620Nm


And the dyno chart they show a stock run of 335hp. So we know thats not flywheel. Then a supercharged run of 501whp.

Never seen a vt550 hit that mark. Most hit 470whp.

http://www.esstuning.com/products/E3...er-System.html

Kind of fishy?



Quote:
Originally Posted by Clemster View Post
Actually, the ESS tune is excellent and those bimmerboost guys crap on everything. They made fun of my 11.84 1/4 mile run as well. A cynical bunch over there.

That said, I've never seen a claim of 500 whp made by ESS. 550 hp at the flywheel works out to closer to 450 at the wheels which many, including myself, have surpassed.

Awesome! That makes me happy to hear
Last edited by ///mfizzle; 3rd September 2011 at 02:02.
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Old 3rd September 2011, 01:56   #9
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Maybe the numbers are without the 92 mm pulley?
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Old 3rd September 2011, 01:57   #10
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Quote:
Originally Posted by bmwmcrzy View Post
Maybe the numbers are without the 92 mm pulley?
Shouldn't be. Those numbers are advertised on there vt550 kit.



I'm still going with the kit. Just wondering why they would mislead so many people.

They show a stock dyno of 335hp. So it's obviously not flywheel horsepower. Then a dyno with the kit at 501whp.

Has anyone hit 500whp with a vt550 kit on a stock car?
Last edited by ///mfizzle; 3rd September 2011 at 02:03.
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