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Old 07-06-2001, 02:26 PM   #1
Jon Bogert
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09 GTR, 02 996 C4S
95 993 C4, 71 911, 04 STI

Arrow Just drove supercharged RS

Sounds cool, but doesn't compare to my car above 2500 RPM. The response off-idle is very strong, but then it chokes above 4000. Has a stock exhaust which certainly hurts it.

Still, fun car. The engine bay is a little torn apart as it just had some work done.



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Old 07-06-2001, 02:29 PM   #2
RageHardIntoTheBendies
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www.zucru.com

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Is that a Rimmer kit?
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Old 07-06-2001, 03:11 PM   #3
stimpy
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Ill bet an exhaust would clear up that bottleneck. IIRC a supercharged car acts more like an NA motor. Going by that, my car was gettign choked off in the upper 'R's and putting in a 2.25" exhaust cleared that up.

Regardless, I do agree that a supercharged car sounds very cool.

Yes, it is a Rimmer kit.

-Jon
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Old 07-06-2001, 03:12 PM   #4
2.5GT
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Yeah, that's the RImmer kit with the autorotor supercharger instead of the Eaton Blower. I would rather have the kit with the Eaton, personally (then again, I would rather have a turbo). As it stands, can't afford any of them

Jason
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Old 07-06-2001, 03:16 PM   #5
RageHardIntoTheBendies
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Where do they put the TB? can't see very well in that picture
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Old 07-06-2001, 03:17 PM   #6
froggert
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ram 1500, 1098s, m620

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any reason the piping to the intercooler is all 90 degree bends?
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Old 07-06-2001, 03:33 PM   #7
iceweazel
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exhaust wont hurt the response. Sounds like it needs more
fuel. Didn't the rimmer kits come with replacement or piggyback
ECUs and fuel kits? Sounds strange to me.

Drove one after we did a one off using the MB kompresor (designed here by a friend, btw) on an RS. using motec it made about 210 hp with just tuning. However we were RIGHT on maxing out the injector duty cycle. Guy needed larger injectors.
Dunno what he ever did about it. They moved him down to the
plant that they built (carolinas or something?) haven't heard
from him since.


I love the zip ties holding stuff together in these shots.


iw
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Old 07-06-2001, 03:46 PM   #8
Jon Bogert
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Ed-

Fueling is same as mine--high flow pump and RRFRP--good to about 6psi. Absolutely the limit of the injectors.

The zip ties are for the cardboard intercooler duct mockup they were playing with.
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Old 07-06-2001, 03:53 PM   #9
8Complex

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The TB is under the IC in shot 1 on the tube feeding the SC with air.

Well, I have to admit that that Autorotor box is pretty damn big, though it is shorter then the Eaton unit... How I still want a SC... *sigh*
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Old 07-06-2001, 04:02 PM   #10
RageHardIntoTheBendies
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iceweazel: don't suppose you have any more info on that custom setup?
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Old 07-06-2001, 05:06 PM   #11
Rich L
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Custom Rallispec kit/IC#1

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Jon,

So what your saying is...

having a turbo is waaaaaaay better?
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Old 07-06-2001, 05:23 PM   #12
Jon Bogert
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MY car is waaaay better than this particular supercharged RS. A well sorted supercharged RS could be much better, though. I believe the owner (who's not on the I-club, so I can talk about him ) tried to do this for as little money as possible and the omissions are glaring. The kit runs, makes OK power, but is far from optimized. It is also 15,000 miles since the original installation, and I have no idea how it was maintained.
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Old 07-07-2001, 02:57 PM   #13
iceweazel
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Jon: was this car for sale or something?

rage: sorry no. Been trying to get ahold of Al ever since MB
hired him He designed the machines that build/manufacture
the kompresser, not the unit iteslf. Quite the engineer.
Heard through a friend that the car was sold after his
move for a new Boxster-S.

MB loved him after they got that new manufacturing
center down south here in the US and hired him away
from his company for big $$$ and a FREE car. #$@%@!!!
Whos going to turn down an AMG and a job that
pays 100% more than you make now? His wife
LOVED that amg the second she saw it. ^_^

He designed his own brackets and we used the intercooling
from a stock legacy turbo system. he used garage-door-
bottom for the IC surround. soft, pliabe and worked great.
Brackets were CNC'ed from 6061-(T6?)aluminum alloy.
he also designed and built his own 6061 pulleys as well
as his own crank-trigger.

hehe he used a Holley "strip anniliator" ignition for a while,
but it kept eating things on his VW and Scooby due to
voltage regulation sucking. Was looking at TEC when a
motec setup fell into my lap from a buddy in CA.
Sold it to us VERY VERY cheap.

Fit was fantastic, power was amazing, but the $$ got
out of hand as he kept trying new things.
larger injectors, front mounted IC (we hated that),
IC spraying, water injection from an ancient-ass
Edelbroch Vari-jection system I had laying about, etc.

Injectors were from PE in japan.

Belts were some weird-ass custom length thing he got
off a US car like a supercharged pontiac or something.
Cheap but available.

iw
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Old 07-07-2001, 03:33 PM   #14
Kevin Thomas
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Default Hey Jon

Jon,

I talked to you awhile back about your 'dyno' run you did at Union Motorsports. I thought I went to your shop but I went to a 'Dynamic Motorsports'. Duh!

Anyway, about this supercharged RS....would the owner mind if other Subaru owner(s) take a look at his car? I think supercharged RS's are cool and I've never seen one with an intercooler up close and personal. Is the owner trying to sell the car, the kit? You can post here or PM me. Thanks!

If the owner doesn't mind, I have a 2.25" cat back exhaust system with a used Remus muffler. I didn't plan on selling it but if the owner wants, he can install it on his car in a matter of minutes to see how the car performs with the exhaust system. This is my old exhaust that I used with my turbokit that I didn't know was 2.25". I thought it was 2.5".
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Old 07-07-2001, 04:53 PM   #15
Jon Bogert
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Not for sale that I know of--I just happened by the shop when the owner was there and we swapped test drives. This kit was the prototype for Rimmer's MAP compatible kit. Bert at Union 7 did the development last spring in exchange for the free (or nearly free) kit, which he presumably sold very cheaply in exchange for being able to use the guy's car as a test mule. I've heard Rimmer's company is not operating too well these days, but I'm sure you've all read about that on this board.

Kevin, I'll pass your info along. He may very well be interested in the exhaust.
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Old 07-07-2001, 10:38 PM   #16
Last Mrk
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Default That Kompressor

iceweazel

That friend that designed the equipment that makes the Kompressor. Did he work for Eaton or MB? The Kompressor that MB uses is made by Eaton. Right? The Eaton M90

Last edited by Last Mrk; 07-07-2001 at 10:43 PM.
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Old 07-07-2001, 11:21 PM   #17
MadMax
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"Stock" kinda

Talking

Well I got a rimmer s/c and a tec II, just starting to install it. I have some pics here - >Click me

Once I get it going I'll be happy to answer questions. But as of right now I am learning as I'm going along. If anyone has experience with this rimmer kit shown in the pics above let me know.

MadMax
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Old 07-08-2001, 10:09 AM   #18
Patrick Olsen
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So you're the one that picked up the Rimmer kit, eh, MadMax? I couldn't convince myself to do it, but I wish I could have.

BTW, the picture links on that post aren't working - I'm just getting red X's.

Pat Olsen
'97 Legacy 2.5GT sedan
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Old 07-09-2001, 01:41 PM   #19
MadMax
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Pat I pm'ed yah.

MadMax
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Old 07-09-2001, 01:57 PM   #20
Kevin Thomas
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Thumbs up What the...

A Tech II 2.5RS with a Rimmer supercharger. Now I have seen it all. I love this site! Good luck tuning MadMax.
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Old 07-10-2001, 01:39 PM   #21
MadMax
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Thanks Kevin, so far so good. Almost done with tec II !

MadMax
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Old 07-10-2001, 02:18 PM   #22
HRE | giulio
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madmax,
wanna meet up sometime? I'm in Mahopac,NY every weekend. about 15 mins from danbury.
PM or email me!
giulio
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Old 07-10-2001, 09:50 PM   #23
MadMax
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Pm'ed you giulio.

MadMax
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