Aluminum vs magnesium vw engine case

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No, never heard of a pure Aluminum VW engine case. I was under the impression that all the aircooled VW motors were made of a Magnesium-Aluminum alloy. I think the new Mexican cases are cast using the later, stronger alloy - but I could be wrong What do you mean by "so many problems with Magnesium"? It's real easy to warp or crack a set of aluminum heads on a watercooled car where 'overheating' is close to normal operating temp for our aircooled engines.

Aluminum vs magnesium vw engine case

Post by sideshow » Mon Aug 11, am. Post by raygreenwood » Mon Aug 11, pm. Post by sideshow » Tue Aug 12, am. Post by raygreenwood » Tue Aug 12, pm. Post by Scott Novak » Thu Aug 14, pm. Post by rcb78 » Fri Aug 15, am. Post by sideshow » Fri Aug 15, am. Post by sideshow » Sat Aug 16, pm. Post by Piledriver » Sun Aug 17, am. Post by rcb78 » Sun Aug 17, pm. Privacy Terms. Donate to STF. Who is the best person to rebuild your engine?

I am still suspicious of the case I have now, but have had no case related issues or any reason to take it apart. I'm not sure about magnesium.

View original topic: New case quality, aluminum vs mag. Page: 1 , 2 Next. I ordered a new aluminum super case several weeks ago, and it appears the vendor is having issues getting one. I can't get clear answers as to : is this still an issue? Is the quality worth waiting for? Are they still sand cast? Your opinions?

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Aluminum vs magnesium vw engine case

View original topic: New case quality, aluminum vs mag. Page: 1 , 2 Next. I ordered a new aluminum super case several weeks ago, and it appears the vendor is having issues getting one. I can't get clear answers as to : is this still an issue? Is the quality worth waiting for? Are they still sand cast?

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I totally agree about the transmission finning and heat sink issue. Last, being more dense, the aluminum gives better bearing journal support. Post by sideshow » Fri Aug 15, am. Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message. You have to get the case very, very clean though. Any idea what the price tag on that case reads? Privacy Terms. So its got to be cost when iron is used. Early 's and all 's. Anybody have any idea why?

About Help! All Rights Reserved. Not affiliated with or sponsored by Volkswagen of America Forum powered by phpBB Links to eBay or other vendor sites may be affiliate links where the site receives compensation.

Its the nature of the metal. The transaxle case draws heat off the engine like a heatsink, plus generates it's own heat. I ordered a new aluminum super case several weeks ago, and it appears the vendor is having issues getting one. Magnesium alloy is considerably less dense, and apparently this contributes to less heat retention. Shad Laws. Germany had lots of magnesium prior to WW2, but very little aluminum. Now you can run any T1 cam you like in that WBX case. John Brooks 62 Roadster 66 84 Cab getting pushed around in porsches since The 3-piece Porsche used a denser and heaver alloy than the VW, for instance, but not a pure aluminum case. Then comes in a machine shop that my local shop absolutely will never use again,, EVER.