Thread: Fan Clutch
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Old 07-05-2021, 03:32 PM
Joe's Garage Joe's Garage is offline
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Join Date: Oct 2016
Location: Las Vega$, NV
Posts: 641
Default We use the Hayden 2747 on EVERY Pontiac we have to swap out.

It's the Heavy Duty version for most Pontiac V8s with clockwise rotation.

Rockauto sells them for $35.79 plus shipping and tax.

As noted, the HD and SD go full 'ON' at 195-205*, but we've also found that they slip significantly less when disengaged. So they're always pulling extra air - that's a good thing.

And the mod to make them kick in earlier is not that difficult. Youtube has several decent videos showing how to re-bend the thermostatic spring. Just be careful and take your time so you don't break it.

Good luck!