Supercharged A8 - How many would do it at this price?
02-19-2004, 02:12 PM
#11
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Re: Supercharged A8 - How many would do it at this price?
Take a look at this<ul><li><a href="http://motodyne.com/frames/4.2LSC.html">http://motodyne.com/frames/4.2LSC.html</a</li></ul>
02-19-2004, 02:19 PM
#13
Re: It's probably worth a call to Level Ten about tranny upgrades
I think if you get 10 people to plop down money FIRST, then PES will do the work. I'd estimate the cost per person to be at least $5k, probably closer to $7k, if you go that route. And like I said, they require full down payment. When the setup I was working on for the 12v fell through (guy with the car and blower backed out), a few people contacted PES and asked what it would take (this info is about 2 years old, so YMMV).
02-19-2004, 02:22 PM
#14
Re: Supercharged A8 - How many would do it at this price?
Oh my. Motodyne. Forget you ever saw that site, people have a hard time proving anything that guy does actually exists.
02-19-2004, 02:28 PM
#15
4 psi? I'm down 3 psia just due to altitude (6000 ft. elevation)!
I would seriously consider a supercharger setup if I thought the tranny could handle it and the costs could be contained to reasonable levels. Low boost (4-5 psig) could easily be handled by the existing ECU and injectors, but the HP gains would be modest. I think that a considerable amount of engineering analysis needs to go into this project before any $$ is spent, including where the sweet spot of performance/reliability/cost is, and packaging requirements. Taking a 300 HP motor to 375 HP shouldn't be too difficult, but getting much past 400 HP could be a real challenge. Also, as my daily driver I can't afford to introduce too many additional maintenance or reliability issues.
02-19-2004, 02:30 PM
#16
Re: Supercharged A8 - How many would do it at this price?
About the manifold...Find a foundry that will do small volume castings OR make a two-piece unit that can be machined on a 4-axis CNC mill. Any prototype I'd think about doing would be made that way (2pc, CNC). For small volumes, it may be cheaper to do it what way. Material that is large enough for each half can be found for "very little" money on Ebay or scrap yards/sellers. Finished product could be either just painted with good engine paint, hard annodized, etc.
Sessions on a dyno that is running a wideband isn't actually that expensive, I've looked into it before. It's having someone hack and program the ECU that gets expensive.
Sessions on a dyno that is running a wideband isn't actually that expensive, I've looked into it before. It's having someone hack and program the ECU that gets expensive.
02-19-2004, 03:04 PM
#18
compression ratio work around
If someone wanted to go with a higher boost kit. It may be possible to make, or find a deck plate ( or a thick head gasket) to lower the compression ratio to a friendly high boost ratio, and include it with the kit. I am in the process of doing this in a friends project car.
Just another idea,
Just another idea,
02-19-2004, 03:08 PM
#19
Re: compression ratio work around
Yup, that is one way to drop the CR. Can also change the dynamic CR with a new cam profile, but that takes more time and money.
Between those two choices, I'd use a thicker copper gasket. Wouldn't take much to drop it to 9:1 from 10.x:1.
There are always custom pistons with a slight dish to them too, which again cost more money (but is the ideal solution to keep the combustion chamber the correct shape).
Between those two choices, I'd use a thicker copper gasket. Wouldn't take much to drop it to 9:1 from 10.x:1.
There are always custom pistons with a slight dish to them too, which again cost more money (but is the ideal solution to keep the combustion chamber the correct shape).
