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08-01-2004, 10:16 PM | #1 |
Scooby Guru
Member#: 64673
Join Date: Jun 2004
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NWIC
Location: portland
Vehicle:1990 Legacy wagon goes 12.387 @ 116.5 |
Installed my supercharger with pictures!
I finally had some time to start my supercharger install. I have a 1990 legacy 2.2 NA wagon.
So far, everthing has been a peice of cake, lucky I have a metal bandsaw and extra brass and aluminum lying around though. I installed a Mercedes supercharger that is built by Eaton for the 2.3 liter Kompressor series cars and/or the SLK's. (I may be wrong about this but I should be close to the facts!). I purchased the supercharger and the intake and exhaust brackets (super important to pick these up!) off of ebay for about $442, including shipping. I took a piece of 1/4" aluminium plate and cut it out to attach flat (like a plate) to two bolt holes on the passenger side head. I had to cut out to accomadate the spark plugs, injectors and a few little other things. I only had to do it twice. Then I bolted it in and set the supercharger on top of the plate and eyeballed the pulley in line with the existing pulleys and marked the holes to be drilled into the plate to attach the supercharger. Then dettached the plate, drilled the holes and reattached the plate and bolted the supercharger to the plate. I had to shim the front of the supercharger up to be in the proper vertical plane for the pulleys to be in allignment. Still needs a little work to be perfect. Since the power steering pump is basically in line with the alternator pulley and the supercharger pulley, I fabricated a rigid extension to hold an idler pulled to push the belt down across the powersteering pulley and then back up over the supercharger pulley. This seemed to work very well. This took about 4 hours to do and was all I could do today. The next steps are to get along enough belt (56.5 inches), cut off the supercharger intake and weld the MAF sensor to it and install a panel air cleaner that pulls air through the hood (and cut a hole for hood scoop, cut and reweld the exhaust bracket off the supercharger so the air goes in the right direction, and finally and most importantly, head over to my exhaust shop so they can bend and creat my actual new air intake tubing. Yes, I will post pictures sometime after borrowing a camera that takes those new fangled "digital" potatoes. i suspect boost will only be about 3-4 lbs, because I have an underdrive pulley currently installed. Update 7/2/04 I installed the belt just now and it works! I just stood there going "cool!" While the supercharger is just hooked up to the belt to see if it worked, it was still awesome to see it work and blow that air! It even sounds cool although my damn exhaust drowns out the supercharger sound. Rev the engine and put your hand over the exhaust pipe and just grin! Next step is to fabricate the ductwork/piping and air filter set up. So close! Pictures! Basic Bay View Another Bay view Just a sweet picture of the charger And some explanation #1 is the Mercedes supercharger #2 is the plate the supercharger is attached too #3 is the idler pulley (timing belt pulley off stock engine) #4 underdriven pulley. #1 is the plate #2 is the supercharger #3 is the idler pulley assembly #4 is the idler pulley Last edited by reddevil; 08-10-2004 at 12:08 AM. |
08-02-2004, 08:55 AM | #2 |
Scooby Specialist
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Wow, nice work! It'll be great to see some pictures. What are you planning on doing for fuel management?
-Chav |
08-02-2004, 11:47 AM | #3 |
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pics pics pics pics PICS!!!!
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08-02-2004, 12:06 PM | #4 |
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ditto
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10-18-2008, 05:08 PM | #5 |
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pics pics pics pics what more you want to see him taking a piss next to the car theres plenty of what he's done so far ..nice build so far bro I'm going with the swap cancelled my AVO kit kit instal I got a deal on a wrx with tranny and ecu and harness for 4300 plus send them my 2.5i harness the'y splice everything in for 900 bucks and all I'll have to do is plug it in and run the car no questions asked..simple as that....but like the diferent route your taking it.
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10-19-2008, 02:10 AM | #6 | |
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08-02-2004, 12:07 PM | #7 |
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*subscribe*
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08-02-2004, 12:22 PM | #8 |
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careful cutting off that supercharger intake as I believe it also has the bypass in it which you want to use so you aren't constantly robbing your hp as you running around town.
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09-22-2005, 09:30 PM | #9 |
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subscribe*
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08-02-2004, 10:53 PM | #10 |
Scooby Guru
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Vehicle:1990 Legacy wagon goes 12.387 @ 116.5 |
Update 7/2/04
I installed the belt just now and it works! I just stood there going "cool!" While the supercharger is just hooked up to the belt to see if it worked, it was still awesome to see it work and blow that air! It even sounds cool although my damn exhaust drowns out the supercharger sound. Rev the engine and put your hand over the exhaust pipe and just grin! Next step is to fabricate the ductwork/piping and air filter set up. So close! |
08-03-2004, 03:50 PM | #11 |
Scooby Newbie
Member#: 4133
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Location: St. Albert, AB, Canada
Vehicle:'01 2.5RS Sedan '05 LGT Wagon |
Congrats!
I think you are now the world record holder for "improvised supercharger installation".
I have a supercharger from a Mazda Millenia S sitting in the garage that I was going to try and put on, but my enthusiasm was dampened by all the "My engine blew " threads in this forum... Go forth with caution... (and some sort of fuel/timing/engine management). klug |
08-03-2004, 04:17 PM | #12 |
Scooby Guru
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Just don't boost spike...it seems as if unwanted boost spikes are what kill most of these motors.
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08-03-2004, 10:13 PM | #13 | |
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Good luck with the install. Very interested in your success. Cheers, MB |
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08-04-2004, 12:46 AM | #14 |
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Congrats
Gods speed and I almsot thought about bidding on that SC ... |
08-04-2004, 01:32 AM | #15 |
Scooby Guru
Member#: 64673
Join Date: Jun 2004
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Vehicle:1990 Legacy wagon goes 12.387 @ 116.5 |
Bump, now with pictures in original post!
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08-04-2004, 09:18 AM | #16 |
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That is beautiful!
You going to attach a boost guage to make sure it's only 3-4lbs? What can that charger normally supply? -- Dave |
08-04-2004, 10:16 AM | #17 |
Scooby Newbie
Member#: 4133
Join Date: Feb 2001
Location: St. Albert, AB, Canada
Vehicle:'01 2.5RS Sedan '05 LGT Wagon |
I think your SC doesn't have a by-pass valve, which you will need. You can get a universal one from either www.magnusonproducts.com or www.whipplesuperchargers.com.
If you haven't read Corky Bell's book "Supercharged" it's got some good info. klug |
08-04-2004, 10:57 AM | #18 | |
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Also, Is that enough belt wrap on the power steering pulley? |
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08-04-2004, 11:21 AM | #19 |
Scooby Guru
Member#: 64673
Join Date: Jun 2004
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Vehicle:1990 Legacy wagon goes 12.387 @ 116.5 |
Well, I spent alot of time running around today. I did manage to get my intake and throttle body piping fabricated for about $175 total. This included having the modified aluminium intake welded ($30), the adaptor plate made out of steel ($60) and the exhaust shop made my intake piping for $75. Plus some parts from home depot $21. Then I had to go home and get my kids and take the babysitter home. I thought I was done until Saturday. Butttt...
Ok, I couldnt wait. I had to hook it up and "test" it and just see if it even came close to working correctly. IT DOES! Its unbelieveable. Even with it not having everything bolted tightly, and electrical tape as the hose connector between the intake and throttle body, it ran and idled (I did not drive it). It did not idle well at all. But I suspect/know this was because of all the loose fittings and a single major vacumn leak. And the car will not idle period if the supercharger is turned off. It needs a supercharger bypass valve for when at idle or just off. It also NEEDS!!!!! a blow off valve because there is so much boost it is going to cause serious problems when you let off the gas. I do have a bosch blow off valve which is plastic and has some sort of electrical connection as well as a vacumn connection. I will need to figure out how it works! However when you gave it some gas it just took off! I didn't ever even hit half throttle there was so much boost involved. I was hoping the boost guage I have hooked up to the throttle vacumn line would show boost but it did not so I have no idea how much boost is involved yet. AND IT SOUNDS AWESOME! I was dissapointed when I was testing it in the last few days because you really couldnt hear it over the exhaust. However with all the parts hooked up, the exhaust and secondary noises quiet down and the supercharger sound increases. Man , I can not wait! I give myself a 90% chance of having it up and running on Saturday. _________________ Last edited by reddevil; 08-05-2004 at 12:59 AM. |
08-05-2004, 01:00 AM | #20 |
Scooby Guru
Member#: 64673
Join Date: Jun 2004
Chapter/Region:
NWIC
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Vehicle:1990 Legacy wagon goes 12.387 @ 116.5 |
The power steering pump barely gets enough belt on it, but it does work.
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08-05-2004, 01:01 AM | #21 |
Street Racing Instructor
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Location: 1997 OBS, 1996 SVX, 1988 RX
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Awesome! I'm reading this one very closely. I can't believe you've progressed as fast as you have. Incredible!
BTW: You do know that there is a LOT of $$$$$ to be made if your project works and you decide to sell it as a kit right? People have been waiting for a supercharger kit for quite some time. |
06-05-2005, 09:43 PM | #22 | |
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08-05-2004, 06:43 PM | #23 |
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Vehicle:1998 RST V8 STi swap '05 R6 '95 BMW V8 hotness |
I would sell all of my turbo hardware in a heartbeat (It makes a little over 20+lbs daily) if someone could make a system like this work with a whipple blower.
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08-06-2004, 04:59 AM | #24 |
Scooby Guru
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Vehicle:1990 Legacy wagon goes 12.387 @ 116.5 |
The Bad news and the Good news.
Bad News. Never Ever Ever stick a rag into the supercharger to protect it from crap, engage the electric clutch, then drive at high speed to Home Depot until the rag get blown out and sucked back in. Very depressing. Sad even, maybe a tear or two. No matter how hard you try, you cannot seem to budge the ****ing charger backwards. The good news. If anyone ever wants to know how to disassemble a supercharger of the eaton variety, let me know. I tore it apart, pulled out the rotors, cleaned the rag **** off, reassembled it and as soon as I hit "submit" I will be putting it back in the car. What a ****ing idiot! |
08-06-2004, 05:00 AM | #25 |
Scooby Guru
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Join Date: Jun 2004
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Vehicle:1990 Legacy wagon goes 12.387 @ 116.5 |
And then a few hours later......
IT LIVES!!!!! I drove it! It runs! It drives! It stops! It has no more power than before! OK, heres the deal. After the rag eating fiasco, I reinstall the supercharger back in its proper place. Now I could either go home or finish the damn job! Guess what I did. Obviously I finished the job. I couldn't help myself. So.... Final installation was pretty straight forward. I had spent a few hours earlier in the day drilling, tapping and installing all my various vacumn spots, crankcase breather spots, nitrous hole and BOV pipe. I had gone and picked up all neccesary hoses and connections when I accidentally fed the supercharger the rag. Other than some tight spots, everthing went in like a charm. The only problem, and I mean only problem was the location I had chosen to put the BOV in the pipes. I had set them up WAY too close to each other so the bend was too tight. And I was short hose. Since I couldn't hook up the BOV right now, I simply decided to hook the two sections together so this way I was not going to cause problems with too high a pressure. I finally started and idled the car, with the supercharger clutch off. It ran about 80% compared to normal, because the normal airflow was constrictdd, but still ran fine. Revving the engine was completely normal. I flicked the switch to turn the supercharger on and the idle picked up about 300 rpm and ran about 90% normal. Hit the gas and it takes right off! Sound great. When you lift off the gas, it sounds just like a BOV. So I shut up the shop and head for home. Test drive a ways with the charger off. Runs great (or at least about 90%) Flick the supercharger clutch switch and expect great things. Nothing. ***?!?!?!?!? It accellerates just like a NA, but when I let off the has, the boost guage just jumps to high heaven! So what is the problem? No ****ing BOV. Since I am venting back into the intake without a BOV, when I actually get on it, the boost is dumping back into its own airstream. The only time boost actaually registers is when the throttle plate closes and it spikes. But....It still works! The only reason I did not install the questionable BOV that I own (the bosch one) is that I was short proper hose. I think that I will just bite the bullet and get another Bosch BOV new and test tommorow. Still fun. Goodnight, I am about to pass out from exhaustion. |
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