Originally Posted By: Eddie
Techron has been the word standard since BMW & Chevron concocted it. I also think Shell is a a great research company. I like SrDrivers idea to use several tanks of each. In fact, years ago, Volvo and other comanies recomended that based on their reasearch it was better to trade off different gasolines. The reason was that some fuel cleaners worked better on some deposites than others and visa versa. Ed
This is a great suggestion. Because additives can become deposits over time, the only detergent that have proven not to leave its own residue behind is techron (PEA).
But I do think it's wise to trade off occasionally anyhow.