07-06-2016, 01:35 PM
Remember, they're not identical in terms of setup.
Reason the 307 has a solid pulley is because the alternator is clutched and has no PAS pump, the 306 doesn't have a clutched one way alternator, and it does have PAS therefore has a rubber pulley.
Reason the 307 has a solid pulley is because the alternator is clutched and has no PAS pump, the 306 doesn't have a clutched one way alternator, and it does have PAS therefore has a rubber pulley.