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1972 aluminium engine case. how can this be???
Hi guys,
I have had an engine sitting in my garage for a while. Now I needed the crankshaft out of it and was a little surprised of the case material. Regarding the case numbers it is a 1972 engine. I think it is a 2,4T. At least this is what the heads, shrould, carbs,... are from. It was opend/overhauld somewhere in the past. But please have a look at the pictures. This doesn´t look like magnesion, or what do you think? Many thanks, regards Malte http://forums.pelicanparts.com/uploa...1417456638.jpg http://forums.pelicanparts.com/uploa...1417456684.jpg http://forums.pelicanparts.com/uploa...1417456714.jpg |
It does look like aluminum.
Porsche did make a few 7R cases in aluminum for the 2.8 & 3.0 RSR engines so I'd look at the casting numbers on the sides (just below the oil return tubes) to see what those are. Whats the engine's serial numbers & type numbers? |
Thank you Steve.
The serial number fits to a 2,4 T 6120605 The type number was very light,After cleaning it with very little sanding it was nearly gone. It was 911/51. Maybe it was a factory replacement. The strange thing is that these are the casting numbers: 901.101.101.4R 901.101.102.3R But like you said, it looks like aluminium... |
Magnesium will shine like Aluminum when the surface oxide is removed by sanding or blasting.
Looks like a Mag case to me. |
Same case I'm working on right now but slightly newer. A file over a small spot and if it sounds brittle is mag.
http://tapatalk.imageshack.com/v2/14...923ce0dd2e.jpg |
Many thanks, I guess I was a little euphoric. ;)
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