Quote:
Originally Posted by Ben006
Why?
Except the old lightweight ones that broke, everyone seems to be very happy with the results.
For the cooling system, the thermostat is what regulates the flow, the pump is always spinning fast enough.
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Two reasons: Quality and the lack of a TDC boss on many of them.
A couple of the alloy versions have been prone to cracking, which makes me weak. The lack of a usable TDC boss becomes an issue in the shop when we have to add a substantial upcharge to a repair because we now have to pull the new pulley, reinstall an OEM unit, and hope to Hell there is still enough boss left to hold the TDC pin during repair procedures. And when the DIY install chewed away too much of the boss, we simply have to charge the car's owner a bunch of $ only to tell him we cannot fix his or her car.
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