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A special find in a 73"S"
When this engine was removed from it's chassis, a 1973 911 S (with Bromos race history) we were told it was a 2.7 RS. Imagine our surprise when we discovered that the engine was actually a 3.0 RS. A single plug 3.0 MFI engine built on a sand cast RSR 3.0 engine case. In 30 years this is the only one I've ever seen.
http://forums.pelicanparts.com/uploa...1432737678.jpg http://forums.pelicanparts.com/uploa...1432737712.jpg http://forums.pelicanparts.com/uploa...1432737743.jpg http://forums.pelicanparts.com/uploa...1432737772.jpg http://forums.pelicanparts.com/uploa...1432737836.jpg http://forums.pelicanparts.com/uploa...1432737878.jpg http://forums.pelicanparts.com/uploa...1432737902.jpg http://forums.pelicanparts.com/uploa...1432737970.jpghttp://forums.pelicanparts.com/uploa...1432738251.jpg http://forums.pelicanparts.com/uploa...1432738336.jpg |
Over the next few weeks I'll share the build we did on this very rare engine.
Before http://forums.pelicanparts.com/uploa...1432738859.jpg After http://forums.pelicanparts.com/uploa...1432739159.jpg http://forums.pelicanparts.com/uploa...1432739184.jpg |
Wow! That would be one time 'non-matching numbers' actually added value!
Look forward to the story. |
Henry ... I saw pics of the headers in another post. where where they source or were they a in house custom job?
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Fwooor
That should come with a NSFW warning :eek: |
So cool.
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Very Cool.
Are the case dimensions the same as the early sand cast case? I realize head stud and spigot are likely larger to accommodate the (presumably) 95mm P/C set. |
wow, Nice find Henry.
regards, al |
Quote:
The unique characteristics that are different than the early 2.0 sand cast case is stud spacing half way between between 2.0-2.7 and 3.0-3.3. Very rare. Special heads as well. The other difference is the 5 studs for mounting chain boxes vs 3 studs and 2 pins. The intermediate shaft has thrust bearings similar to what was common on later cases. There are also a considerable number of reinforcements in this casting including a larger base for the cylinder mounting. |
http://forums.pelicanparts.com/uploa...1432916345.jpg
http://forums.pelicanparts.com/uploa...1432916370.jpg http://forums.pelicanparts.com/uploa...1432916399.jpg http://forums.pelicanparts.com/uploa...1432916419.jpg http://forums.pelicanparts.com/uploa...1432916451.jpg http://forums.pelicanparts.com/uploa...1432916473.jpg http://forums.pelicanparts.com/uploa...1432916497.jpg http://forums.pelicanparts.com/uploa...1432916542.jpg http://forums.pelicanparts.com/uploa...1432916566.jpg http://forums.pelicanparts.com/uploa...1432916604.jpg |
signing-up.
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3.0 engine.......
Very interesting and a real "looker"! Are those Mahle pistons? If so, do you know the compression ratio? Also, what level of horsepower do you expect this engine to make? The pistons look very similar to the Mahle pistons that I used in my 3.3SS build. My set were 10.1:1 compression.
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http://forums.pelicanparts.com/uploa...1433176105.jpg
http://forums.pelicanparts.com/uploa...1433176127.jpg http://forums.pelicanparts.com/uploa...1433176206.jpg http://forums.pelicanparts.com/uploa...1433176332.jpg http://forums.pelicanparts.com/uploa...1433176370.jpg http://forums.pelicanparts.com/uploa...1433176413.jpg http://forums.pelicanparts.com/uploa...1433176493.jpg http://forums.pelicanparts.com/uploa...1433176591.jpg http://forums.pelicanparts.com/uploa...1433176670.jpg http://forums.pelicanparts.com/uploa...1433176939.jpg |
very neat!
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I cant believe I almost missed this.
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Very rare engine. What a surprise.
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Quote:
Some Supertec, some Burnham Performance and some MFI Werks magic all came together to produce a very special pump. http://forums.pelicanparts.com/uploa...1433270999.jpg http://forums.pelicanparts.com/uploa...1433270872.jpg Burnham Performance 1071 Avenida Acaso ste.D Camarillo, Ca. 93012 805-240-6931 rennwerks@hotmail.com MFI Werks 10227 N.W. Swallow St. Seal Rock, OR. 97376 Mark Jung 541-563-3702 info@mfiwerks.com |
Very Cool Motor !
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Brumos called-they want their engine back.
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