I never had an issues and did it for over a year at least 100 times. Like some have pointed out, just make sure to keep a little towel in your trunk and wipe down any excess water before heading in line. It's not a big deal and ice is the cheap and easy solution. It's not a huge ordeal to wipe down the bay slightly so you aren't dripping water and takes a whole 1-2 minutes...lol

Ice is one of the factors that alowed me to run 526 rwhp on the stock motor for over a year. I NEVER ran the car hot, ever.

Crap, I bring 10-11 bags of ice to the track every time and usually use 2-3 bags a pass. My resevoir holds 2 1/2 bags and in between runs I just set one right on the blower. When the ice starts to melt, I also make a hole on both sides and let the cold water drip on both sides of the manifold. Icewater with the EH20 pump on will cool the car ice cold within 15 minutes no matter how hot it is...

 

^^^ do you have pics or a link for this reservoir? Never seen one...you mount it to the engine, leave the hood up with the engine off? Thanks...
edit: oh you're talking about a liquid intercooler for your turbo, right? I'm NA...

 

I'm talking about the water tank resevoir that comes with any water cooled FI kit. What I did was fab a much larger one so I can hold 25 lbs of ice. Sorry the pics are blurry but my camera broke although I'm taking some new pics this weekend as the engine bay looks much different now with the new parts...

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