Off subject here, but may I ask you why you are using Dexcool ?
That is a product, designed for GM cars. If you do a search on it, you will read nightmare stories on the product. Drain that crap while you have a chance.
I've been running Dexcool for 20 years in 2 big blocks. There is nothing wrong with it other than you not liking GM's. It isn't just made for GM's either. Prestone DEX-COOL meets or exceeds ASTM D3306 and SAE standards for corrosion protection and meets GMW3420 (GM 6277M), Ford WSSM97B44-D and property and performance specification requirements of Chrysler MS12106 (MS-7170 & MS-9769)
If you don't like Dexcool, have a reason. Show how ye olde green stuff is superior. I've seen a lot of racers lately going to Toyota Blue antifreeze. Chemicals have improved over the past 50 years and aluminum radiators and heads have become the norm and commonplace.
