Redline makes a product called Water Wetter that I believe is NHRA compliant for cooling systems. It basically replaces your antifreeze, yet provides the same protections without the slipperiness.
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'90 GT Under construction
Best E.T. = Fast @ High Speeds - OK So I Lie. So What!!!  
04 F-150 STX 4.2L 5 spd
Rice Haters Club Member #128
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