355 valve guide replacement--is the f... Log Out | Topics | Search
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FerrariChat.com » Technical Q&A Archives » Archive through July 15, 2003 » 355 valve guide replacement--is the factory using the correct material? « Previous Next »

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James J. McGee (Dr_ferrari)
Junior Member
Username: Dr_ferrari

Post Number: 124
Registered: 7-2002
Posted on Thursday, July 03, 2003 - 8:37 pm:   
Factory had a problem with the bronze type, they would prematurly wear out. So they changed to the sintered steel.
I haven`t seen any problems with the new steel type so far.

best regards, Jim
Charles Dyer (Charles_dyer)
New member
Username: Charles_dyer

Post Number: 9
Registered: 1-2003
Posted on Thursday, July 03, 2003 - 5:25 pm:   
Why is the factory using sintered steel for valve guide replacement when all factors considered Manganese bronze would probably be better ?

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