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txhokie4life's Avatar
 
Join Date: Oct 2009
Location: Austin, Texas
Posts: 703
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1975 RSR Replica up and running

I acquired a 75' 911 RSR Replica.
The engine had suffered some head damage and scuffing of the pistons.

Instead of jumping into a compete engine rebuild I bought a 3.6L 964 street
engine and proceeded to do a top end refresh.

This was my first engine rebuild and my first experience with an air cooled engine.

With a lot of summer homework reading Wayne's book, encouragement from resources like this forum, and a mechanic friend lending me his shop and doing some double checking of my reassembly I had success firing it up this week.

The biggest challenge turned out to be reverse engineering the MOTEC 48 ECU and
harness system.

964 3.6L Long Block ReAssembly


Long Block Complete


Street Long Block, Race Engine Intake/Fuel System/Ignition


Mated with G50


Installed in RSR


Video of Start Up
1975 RSR 3.6L Engine Rebuild - YouTube

Still have to chase down some non-engine oil leaks and have it tuned up.

Mike

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2015 Panamera Hybrid, 2008 Cayenne Twin Turbo
2001 996 GT2
1999 Spec Boxster, 1996 993 Cabriolet
1992 964 Cabirolet, 1975 911 RSR Replica Race Car
Old 10-21-2011, 11:51 AM
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PFM PFM is offline
PFM
 
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Join Date: Dec 2009
Location: Southern California
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Mike,

My guess is that is going to be FUN!!!!!!!!!!!!!!!
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Stay Tuned,

PFM
Old 10-21-2011, 08:02 PM
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al lkosmal's Avatar
 
Join Date: Jul 2001
Location: mt. vernon Wa. USA
Posts: 8,711
Can you tell me what coil packs you are using....very tidy!

al
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[B]Current projects: 69-911.5, Previous:73 911X (off to SanFrancisco/racing in Germany).77 911S (NY), 71E (France/Corsica), 66-912 ( France), 1970 914X (Wisconsin) 76 911S roller..off to Florida/Germany
RGruppe #669
http://www.x-faktory.com/
Old 10-22-2011, 07:38 AM
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Location: Austin, Texas
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They are Clewett Engineering coil paks.
Also Clewett Crank Pulley.

The ITB are from Borla who bought TWM.

I think the fuel rails are from them as well.

Mike
__________________
2015 Panamera Hybrid, 2008 Cayenne Twin Turbo
2001 996 GT2
1999 Spec Boxster, 1996 993 Cabriolet
1992 964 Cabirolet, 1975 911 RSR Replica Race Car
Old 10-24-2011, 06:42 AM
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Knocked out the majority of oil leaks over the weekend.
Plugged all vacuum leaks.

I've got tapping or clacking coming from my passenger side of the engine.

I'm just not experienced enough to know source. Maybe needs valve adjustment.

Will have to find a 911 expert to give it a listen.

Mike
__________________
2015 Panamera Hybrid, 2008 Cayenne Twin Turbo
2001 996 GT2
1999 Spec Boxster, 1996 993 Cabriolet
1992 964 Cabirolet, 1975 911 RSR Replica Race Car
Old 10-24-2011, 06:45 AM
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Location: Austin, Texas
Posts: 703
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Tapping was from a rocker whose valve I had over tightened.

Went and had it tuned last Thursday.

1975 RSR Engine Tuning - YouTube

__________________
2015 Panamera Hybrid, 2008 Cayenne Twin Turbo
2001 996 GT2
1999 Spec Boxster, 1996 993 Cabriolet
1992 964 Cabirolet, 1975 911 RSR Replica Race Car
Old 11-20-2011, 01:57 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #6 (permalink)
 
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