Downing Atlanta Supercharger (DASC)
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Tonyb

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« Reply #30 on: April 09, 2007, 03:58:31 AM »
Yes!!!
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jajou318

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« Reply #31 on: April 09, 2007, 09:07:29 AM »
Yea but did anyone get any response back from them?
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somewhat of a teaser...

sumyungguy

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« Reply #32 on: April 13, 2007, 02:33:40 PM »
I just saw an ad in the Dec. 06 issue of Grasstoots for DA in the that said "Kits now available for the e30 m42!"..

But after seeing this no respone thread Im having doubts..
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sheepdog

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« Reply #33 on: April 13, 2007, 04:00:31 PM »
Grassroots did not do a conversion of an e36.

They took it to Downing and let them use it as a test mule to fabricate the e30 m42 kit, which is based on or is similar to the e36. Apparently lack of a test mule was all that was holding back development.

The kit is available and runs around $4k


Never expect a reply from most companies through email. Call if you are serious.
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"When trouble arises and things look bad, there is always one individual who perceives a solution and is willing to take command. Very often, that individual is crazy." --Dave Berry

hesgone2fast

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« Reply #34 on: April 13, 2007, 04:00:57 PM »
The kit for the E30 is not yet ready.
 I have been in touch with Jim Goodroe from DA and he says he is waiting the delivery of an order of eaton superchargers from his suplier. So as soon as he gets them I will order the e36 kit for my E30.
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hesgone2fast

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« Reply #35 on: April 13, 2007, 04:10:15 PM »
sheepdog, I don´t know where you got that information from, but could be discused... The grassroots people took a kit from a Z3(which is the same kit as the E36 one) and converted it to the E30,I have talked to the people from grassroots and have told me all about the process. the only mod to be done was the belt system, and the relocation of the brake fluid tank.
 I bet DA has a better test mule than the 100,000++ miles unit from grassroots.
 DA does not have the kit for the E30 available.
« Last Edit: April 13, 2007, 04:13:36 PM by hesgone2fast »
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sumyungguy

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« Reply #36 on: April 13, 2007, 05:36:15 PM »
Quote from: hesgone2fast;23713
DA does not have the kit for the E30 available.


I wonder why they are advertising that they do??
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brad™
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nickmpower

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« Reply #37 on: April 13, 2007, 07:14:04 PM »
Quote from: hesgone2fast;23713
sheepdog, I don´t know where you got that information from, but could be discused... The grassroots people took a kit from a Z3(which is the same kit as the E36 one) and converted it to the E30,I have talked to the people from grassroots and have told me all about the process. the only mod to be done was the belt system, and the relocation of the brake fluid tank.
 I bet DA has a better test mule than the 100,000++ miles unit from grassroots.
 DA does not have the kit for the E30 available.


maybe you should read it a couple more times, theres more to it then that
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hesgone2fast

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« Reply #38 on: April 14, 2007, 05:40:52 AM »
I have read many times, believe me. I just said the main problem with the transformation. I can start talking about the fuel mixture regarding the lean problem under load, or about the bending of the oil dipstick, or about the piece of aluminum that holds the compressor from underneath that has to be taken from the e36( not mentioned on Grassroots). the stuff Grassroots did with the afm is not necessary. The only thing I said is that the main problem(meaning there´s more) is the belt system, and the brake fluid tank. about the belt system? maybe you should read this post a couple more times nickmpower, because I allready said on a previous message that I have a full serpentine belt system from a E36, and about the brake fluid tank? remote unit.
 To do this conversion, the only problem for me would be detonation, and will deal with that through remmaping the chip,thicker head gasket, bigger injectors, and extra fuel pump. besides up here in spain fuel has 98 octanes....
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sheepdog

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« Reply #39 on: April 14, 2007, 12:59:04 PM »
Quote from: hesgone2fast;23713
sheepdog, I don´t know where you got that information from, but could be discused... The grassroots people took a kit from a Z3(which is the same kit as the E36 one) and converted it to the E30,I have talked to the people from grassroots and have told me all about the process. the only mod to be done was the belt system, and the relocation of the brake fluid tank.
 I bet DA has a better test mule than the 100,000++ miles unit from grassroots.
 DA does not have the kit for the E30 available.


Then what they wrote was different from what actually happened.
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"When trouble arises and things look bad, there is always one individual who perceives a solution and is willing to take command. Very often, that individual is crazy." --Dave Berry

hesgone2fast

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« Reply #40 on: April 14, 2007, 02:17:52 PM »
that´s a different story...
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2002maniac

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« Reply #41 on: April 14, 2007, 02:47:49 PM »
Quote from: sheepdog;23776
Then what they wrote was different from what actually happened.


where'd you get your info?  I was under the impression that GRM did the work and then told DA what needed to be changed/modified for the kit to work on an E30.
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sheepdog

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« Reply #42 on: April 15, 2007, 06:44:40 PM »
Ok, looking at it right now.

GRM did volunteer to be the test mule, however D.A. did not have the time to do it so GRM did it, but with lots of help. I could have sworn D.A. did the actual work, guess not.

A local shop did a lot of the work for them, and they had D.A. and 2 other experts helping them figure out the problems. Once it was running, they drove it out to D.A. for building the kit and fine tuning and it was still running lean at the end of the article.


More is done that the reservoir and a pulley swap.

You probably not be able to just do the pulleys as the belts will likely no longer line up so the the compressor and bracket needs to be changed. The new one is lighter though. Offsetting some of the added weight of the blower.
Also, fuel... Bigger injectors are needed, the adj. regulator was not enough.
You also need a Z3 intake boot and remove the shield behind the headlight and fab a mount for a filter.



So while you could do a Z3 kit and do what they did, it will not be perfect.
It looks like they are just out of stock on the kit or still fine tuning it.
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"When trouble arises and things look bad, there is always one individual who perceives a solution and is willing to take command. Very often, that individual is crazy." --Dave Berry

kramerica5000

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Just buy the supercharged car from GRM
« Reply #43 on: April 18, 2007, 12:54:11 PM »
It's up on the auction block in a couple weeks at the MITTY (Road Atlanta http://www.themitty.com/). I guess if you are in Spain that might be a little harder to pull off. For anyone else though . . . even if you paid 10k it would probably be a better deal than buying a car and doing the same stuff to it . . . mind you its been repainted, has HR + Koni suspension, and kick-ass 10lb BBS wheels.

PS. I'm planning to go to the MITTY . . . is anyone else? I'll try to get some pics of the car if its open to the public. I'd love to buy it but  . .. .
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kramerica5000

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More info on the GRM car
« Reply #44 on: April 18, 2007, 01:21:10 PM »
I found some more info on the GRM car. This follow-up tells about what they did to deal with the lean mixture . . . no small task:

http://grassrootsmotorsports.com/news/category/project-cars/current-project-cars/1991-bmw-318is/

The PDFs of the articles are also posted there.

Someone should really buy this car. They've put a lot of work into sorting it out.
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