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

Mines bigger than yours

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Old 05-07-2010, 02:28 PM
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Originally Posted by sneakyneon
For all those who would like to know, the stock voltage is at the fuel pump is 13.57
So much for free fuel.....

So is there really 2 points of fuel available in a tune?
Yes, there can be. Only one way to find out. You may need bigger injectors but your IDC shouldn't be too high right now. Add a inline 044
Old 05-07-2010, 03:05 PM
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Originally Posted by sneakyneon
For all those who would like to know, the stock voltage is at the fuel pump is 13.57
So much for free fuel.....

So is there really 2 points of fuel available in a tune?
What are your thoughts about running straight methanol, or increasing your alky pump pressure, changing to a bigger nozzle or running two nozzles. Those would be the easiest. Next would be a voltage booster for the fuel pump. MSD, Kenne Bell and a few other make them.
Old 05-07-2010, 03:17 PM
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Originally Posted by shardul
Regardless if the calculation takes one or two steps lowprofile is calculating it the right way. Who cares how the stock pulley is measured. From the pic that you posted with the vernier calipers you can at least see a 2 mm lip before the ribs on each side.
Thank you Shardul.
I was a bit angered by the childish reply from an "engineer" of all people, but I felt it was better to let it go. So much for higher education.
Old 05-07-2010, 04:08 PM
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Originally Posted by lowprofile
What are your thoughts about running straight methanol, or increasing your alky pump pressure, changing to a bigger nozzle or running two nozzles. Those would be the easiest. Next would be a voltage booster for the fuel pump. MSD, Kenne Bell and a few other make them.
I always felt like the water meth should never be used as a back up fuel supply but at a way to suppress knock with cooler iat and better octane. Its tempting to hose it down with a bunch of meth to make it work but if it fails it could easily spell disaster.
My ideal tune would be 11.5-11.8 on water meth and 12.2-12.5 off. Not to rich to wash down the cyl and still will make power but Safe if it fails or runs out.
Old 05-07-2010, 04:24 PM
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Take a look, (yes I know theres somthing funky going on in the rpm) but what scary to me is that the car is doing fine through 2nd gear it makes the shift and BAM goes lean. Like a delivery issue? Post up your thoughts? Need more better supply or is it in the tune? You you think you have an idea and want to see the live file you can get the zeitronix softwere for free from there site and I use version 3.0.3 and I'll send you the file
Old 05-07-2010, 06:22 PM
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All I see is 17PSI!
Old 05-07-2010, 08:46 PM
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Tune for sure.
Old 05-07-2010, 11:05 PM
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'03 E55, Range Rover Sport Supercharged, Ducati 748R
Originally Posted by sneakyneon
For all those who would like to know, the stock voltage is at the fuel pump is 13.57
So much for free fuel.....

So is there really 2 points of fuel available in a tune?
thanks for sharing. the biggest pulley i've seen tuned is 185...so keep pioneering!
Old 05-08-2010, 05:23 PM
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So after thinking long and hard about my options, I'm going to order a kenne bell boost a pump, I like the design idea and if thats still not enough I can always swab in a new pump later and still use this. I'll keep you posted on my results!
Old 05-08-2010, 06:31 PM
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Originally Posted by sneakyneon
So the car drives smooth, no hiccups under normal driving. First hard pulls resulted in a whole lot of belt slip, Came home an rub down the 180 belt with vht track bite and squezed it on. That seemed to fix the belt slip, but now the car is scary lean(14.5), I'm on a stock tune still so not sure how much fuel is be had with tuning but I hope its a bunch!
Get that tune quick! I run the Gates that ends in 525 on my 185mm pulley. It is long enough to work on a 195 but you may be better off with another size longer. ASP also has smaller idler pullies that can give you some more belt wrap.
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