MFI protractors

sballard · 04-24-2009, 04:18 PM

Now's your chance to buy a set!

http://cgi.ebay.com/ebaymotors/Porsche-MFI-Protractor-Set-NOS-Early-911-Ultra-Rare_W0QQitemZ170319309498QQcmdZViewItemQQptZMotor s_Automotive_Tools?hash=item170319309498&_trksid=p4506.c0.m245&_trkparms=72%3A1171%7C65%3A12%7C39%3A1%7C240%3A131 8

kwikt 911 · kwikt 911's Garage

Wow!!!!!!! What a deal

euro911sc · euro911sc's Garage

What are these used for? Anyone have a set and want to make a nice how to post?

-Michael

David E. Clark · 04-25-2009, 02:12 AM

Quote:

Originally Posted by euro911sc

What are these used for? Anyone have a set and want to make a nice how to post?

-Michael

There are dozens of threads describing these and how to use them. This one is probably the best. Although the protractors in the eBay ad linked in this thread are grossly overpriced, they are very difficult to find and very expensive in the best case. Moreover, since correlating the MFI system using the protractors is pretty complicated, the factory concluded back in 1972 that using the protractors to set correlation is not mandatory. Below is the factory publication stating this: