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So I'll be updating my water pump in the near future. I've had the car 1.5 years and been working my way around the car and replacing items for preventative maintenance. Water pump still working well, temps are normal and no noises, but going to replace as it is 61K miles now an not sure if original or not.
My question is, while I am in there going to replace belt (of course) and thinking of adding Underdrive pulley. An 'internet genius' on another forum mentioned going with the 996 GT3 / Turbo Water pump as its pulley diameter would be a better match for the underdrive accessory and thus keep water pump turning at faster speeds.
What say you? Is this necessary - It was the first time I have ever seen this mentioned. I live in S FLorida and fans are kicking on frequently, but never had any overheating issues and car has ran well for the 5 thousand miles or so I've had it.
I'm thinking I should just stick with the standard 986 Boxster water pump (composite vanes) and not worry about it.
Thoughts?
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