It's interesting that you are upgrading the SC pump!

Not many have done it and we really have no idea if it will help or not. Just like separating the cooling system from the Inter-cooling system. In theory it should but no hard numbers?

Let us know if you can tell any difference.
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Sorry for the delays, with the holidays and all, additionally, with the sub 0 wind chilled weather, I've not done anything with this yet. I have negotiated a very nice price for the Euro Toys Upgraded pump and am planning the purchase for this Friday the 10th of January 2014 coming. If I get a few 50 degree days in succession, I'll certainly go at it.

A couple of notes to make:
1. The harness on the Eurotoys Pump was designed for an XKR so I'll need to modify or make a new Harness to have it compatible with the STR
2. I will document everything and share with the forum members and Eurotoys also. That's part of the deal for the discounted price.
3. I don't know if there will be HP gains as I'm not performing a Dyno of the vehicle. This change is more so because my pump failed and I feel if I can get a better one, why not replace the old with better??

I will most certainly share with all if I notice a difference. The way it's been soo cool lately (even before this problem occurred, the STR was more beastly than ever just because it'd stay cooler in the 20 to 30 degree temperatures.