Cam pullys swirtched

[btexpress]

I am told it is possible to switch the intake and exhaust cam pullys . Does anyone know how to tell the difference by looking at them ie. stamped with a code. They do not indicate left or right. A local fiat mechanic said there is a subtle way to tell but did not tell me how. There are some numbers and letters stamped on the pully but nothing I can understand.

[srwilson]

Take a look at this thread. There may be some pictures that might help.
http://www.fiatspider.com/f08/viewtopic ... 30#p172435

[SLOSpider]

Searching always helps Quick answer is with the pullies facing you as they would be on the cams the dowel holes in the 12:00 positions you will see that the intake alignment hole will be just left of the 12:00 position and the exhaust will be just to the right. Also may have STAMPED in the metal S for exhaust and A for intake.

[divace73]

Also may have STAMPED in the metal S for exhaust and A for intake.

Just to add the S stands for Scarico which is Exhaust in Italian and the A is Aspirazione which is Air intake

[btexpress]

Thanks for all who replyed. You have been a lot of help.