between the two, i would go with gold class...
you should look into CG's CW&G ($20 a gallon = very economical). around 1 - 1 1/2 ounces is all you need for a great wash. i'll be buying a gallon next when my current stock is just about used up...
Car Wash Shampoo is a gentle-cleansing liquid gel car wash Car Wash Shampoo
