8 rib alternator pulley problems, 03 MM
During a recent remote tune with Marty, the alternator pulley lost several of its rear threads, and moved down the alternator shaft, away from the alternator body. This caused a severe misalignment to the nearby supercharger pulley and partially shredded the belt.
The 8 rib pulley is a clutched INA brand. It installs with the 32 spline tool , similar to the OEM 6 rib non clutched pulley.
Does anyone have any ideas how this might have happened?
I will try to add photos.
thanks
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Last edited by azgolfrat; 09-26-2024 at 06:58 AM.
Reason: trying to add photos
'03 Silver Birch. Rebuilt 4.L 32V DOHC, V7-JT blower w/ADTR racing supercharger kit, Shift kit in transmission, stainless works long pipes and cat backs, Ridetech coil-overs front, shocks in back (ADTR kit). Rebuilt calipers, upgraded front rotors, OEM Mercury wheels, [boost, oil P, WB fuel/air, and fuel pressure] gauges. Build duration was Dec 2019 to Mar 2022. Upgraded to 8 rib belt to reduce slip, July-Nov '23. Car broke during tune with Marty Feb '24. Running again May '24. Still needs tune.
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