In the past I've had the best luck with oem/dealer belts, although I usually shop for a good deal on a name brand and if the price difference isn't big get it from the dealer. I recently read the Dayco sticky post and since they are a supporter of this site would like to know how others may feel about their belts for this application. The belt is about 50" long I believe. My car has 106K miles and this statement in the sticky caught my eye, or is this just for marketing technology?
Quote:
Dayco’s Poly W belt provides two major changes as compared to our older technologies: 1) a new EPDM rubber formulation utilizing aramid fibers that vastly improves the durability and wear characteristics of the belt, and 2) a “W” tip profile that improves the belt’s noise resistance by allowing the tip to flex and slide (not chatter) when entering misaligned pulleys. When you think about it, an aftermarket belt is put into a much harsher environment that an OE belt. When a belt is put on a car on the OE assembly line, everything about the drive is perfect. Brand new accessories, brand new pulleys and bearings. Perfect alignment. On an aftermarket application, after 70,000 to 80,000 miles, accessories and bearings are worn and the alignment of the belt drive is less than perfect.
Jay Swope, Principle Engineer of Belt Development
Quote:
Dayco’s Poly W belt provides two major changes as compared to our older technologies: 1) a new EPDM rubber formulation utilizing aramid fibers that vastly improves the durability and wear characteristics of the belt, and 2) a “W” tip profile that improves the belt’s noise resistance by allowing the tip to flex and slide (not chatter) when entering misaligned pulleys. When you think about it, an aftermarket belt is put into a much harsher environment that an OE belt. When a belt is put on a car on the OE assembly line, everything about the drive is perfect. Brand new accessories, brand new pulleys and bearings. Perfect alignment. On an aftermarket application, after 70,000 to 80,000 miles, accessories and bearings are worn and the alignment of the belt drive is less than perfect.
Jay Swope, Principle Engineer of Belt Development