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Registered User
Join Date: Dec 2012
Posts: 44
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MFI RSR Pump
Found this on my old 911 project...
Donīt worry, I know itīs special but can someone tell me what makes it so special?    
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05-14-2013, 02:50 AM
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Registered
Join Date: May 2004
Location: Lake Cle Elum - Eastern WA.
Posts: 8,417
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Price an early RSR and then realize a lot of these induction systems were replaced, lost or broken many years ago.....UnObtainium......
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Bob S. 73.5 911T 1969 911T Coo' pay (one owner) 1960 Mercedes 190SL 1962 XKE Roadster (sold) - 13 motorcycles |
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05-14-2013, 03:01 AM
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Banned
Join Date: Apr 2004
Location: Portugal
Posts: 1,513
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RSR = "special"
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05-14-2013, 03:02 AM
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Registered User
Join Date: Dec 2012
Posts: 44
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Since I have been asked for better pics of the RSR pump...
Voila!   Does anybody know how many of these were made? |
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05-21-2013, 03:28 AM
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"Swedish made performance enhancer" , what a nice piece of equipment Mr Powers!
What I'd like to know is how many variations there are for other makes and applications. Why MFI for Classic Porsche? And when did they stop using them in planes? Or maybe they still do?
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'81 924 , '85 944 , '78 911SC , '82 928 5.0L "They run best being run close to the limit and done so regularly" - Grady |
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05-21-2013, 03:43 AM
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The BergMeister
Join Date: Oct 2006
Location: Amsterdam, The Netherlands
Posts: 6
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This combination looks like the high butterfly and RSR pump combination as used on an RSR in 1973/1974. The single ignition distributor has little to do with this set. If all this came from the same block I would be curious to know what the size of the intake port side of the manifold is? The red intake trumpets and filter housing is something I have only seen once before: on a prototype car....
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Leonard Stolk R Gruppe#600 1971 911 S/T 2.7 1973 911S/RSR 1974 911 RSR |
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05-21-2013, 04:53 AM
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gearhead
Join Date: Nov 2007
Location: Loverland, CO
Posts: 23,539
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You could buy a nice 911T driver for what that would sell for to an RSR owner...
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05-21-2013, 05:19 AM
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Registered
Join Date: Nov 2002
Location: Los Angeles
Posts: 2,571
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It looks like it was equipped with an SCRS air cleaner ... short horns inside troughs that accept a stock MFI air cleaner top.
 Good score. |
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05-21-2013, 07:14 AM
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Registered User
Join Date: Dec 2012
Posts: 44
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Quote:
you are correct, well almost. The engine was originally built by Roitmayer for some tall skinny German Rally driver called Walter something as twin spark but the car was sold and the rules changed to Group 4 which didn't allow twin sparks so it was converted to single ignition. Any more info on the prototype? |
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05-21-2013, 07:30 AM
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Should be a 1974 3.0 RSR engine. The V1077 pump should also have the V109 space cam. The 2.8 RSR had the V94 space cam.
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Mark Jung Bend, OR MFI Werks.com |
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05-21-2013, 08:36 AM
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OK..........This is a good example where a fella can use the word "Rare", a few times.
1973 911 T MFI Coupe, Aubergine Steve |
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05-21-2013, 02:57 PM
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911 rookie
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Sorry but I'm having a "hard-on" moment.... there is an old ad on EarlyS for the similar RSR pump for 10K.
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05-21-2013, 03:04 PM
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Registered
Join Date: Dec 2001
Location: Cambridge, MA
Posts: 44,330
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Quote:
Is this filter housing essentially a standard MFI version with the snorkle replaced by a simple screen? Can you cut the snorkle off and add to screen to replicate it?
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Tru6 Restoration & Design |
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03-16-2018, 06:36 PM
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Registered
Join Date: Dec 2008
Location: San Antonio, Texas
Posts: 3,590
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that filter arrangement was only used on an SCRS but with a Kugelfischer injection
you can sell the RSR pump and High butterfly to someone like Kevin Jeannette who probably has some cars who deserve it.
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1973 911S (since new) RS MFI specs 1991 C2 Turbo |
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03-16-2018, 07:41 PM
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Registered
Join Date: Sep 2002
Location: Lake Tapps, WA
Posts: 3,070
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Shaun,
Yes, that is what I did. Shoot me a text tomorrow and I will send you some pics Beautiful MFI setup by the way!
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'67 911S '69 911S, '70 911ST '73 911T Targa Signal Yellow '78 911SC backdate |
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03-16-2018, 08:01 PM
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Shaun,
I built something similar with the plastic filter housing for my high butterfly system. 
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Mark Jung Bend, OR MFI Werks.com |
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03-17-2018, 06:44 AM
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OMG that engine ^^^ is art!
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Gary R. |
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03-17-2018, 07:19 AM
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Registered
Join Date: Dec 2001
Location: Cambridge, MA
Posts: 44,330
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Quote:
Thanks Mark, gorgeous engine! I'm doing a batch of nickel next week but haven't decided which color to Cerakote the pump. I'm considering a lighter color pump and black zinc chromate hardware but I think it might be too reverse video high contrast. Hoping to get it done and everything back to you by the end of the week. Did you use Turbo tensioners with collars?
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Tru6 Restoration & Design Last edited by Shaun @ Tru6; 03-17-2018 at 04:14 PM.. |
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03-17-2018, 04:12 PM
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Yes turbo tensioners but lots of new chain & I.S. gears left very little room for the collars on the tensioner plunger. I will most likely have more room in a thousand miles or so.
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Mark Jung Bend, OR MFI Werks.com |
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03-18-2018, 07:05 AM
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Registered
Join Date: Jan 2012
Posts: 1,244
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Quote:
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03-18-2018, 07:49 AM
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Le Frog
Red Riding Hood
1957 Porsche 356 A Coupe 2.7 Short Stroke
1972 Porsche 72 Coupe
Blackbird
2005 Porsche 997S 3.8L
