[jing]

Doing my water pump and thermostat and wondering which RTV sealant to buy.

Bought some Permatex Ultra Blue and would like to confirm if that's the right one to use

[Lomac]

Ultra Blue will work just fine. It's what I usually use.

[skylinergtr]

i use:

http://www.permatex.com/images/DisplayImage.asp?210|/images/ProductPhotos/82194.jpg

[seekerbeta]

i use the Red High Temp stuff... never let me down