mechanical design -- cam timing chain versus gear-driven hey all, I am a mech-e student, but I am still in the infancy of my degree, so I havent really had any courses pertaining to this sort of thing, but having work with cars for a number of years, and having what I consider a strong. If you are keeping your current crank and cam sprockets and just want to upgrade the timing chain, then a standard aftermarket big block chevrolet 66 tooth type true double roller timing chain will work just fine. Make valve-train servicing on your engine easier with Trick Flow® valve spring compressors. 3 Vortec w/balance shaft timing chain. Timing Chains, Have seen more and more Double Roller Timing Chains get stretched out, even after being in service for a short period of time. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Product Features: Timing Chain Set, Magnum, Double Roller, Iron, Small Block Chevy, Kit. Roller Chain, Leaf Chain, Timing Chain manufacturer / supplier in China, offering 50 Roller Chain, 80 (16A) Standard Transmission Roller Chain Cadena De Rodillos, 40mn ANSI ISO 60 (12A) Standard Transmission Roller Chain and so on. Pitch p Between Inner Plates b1 Roller Diameter d1 Chain Width l Connector links are wider than chain sections. If your motor has timing gears, they should last the life of the engine too. Contains everything we manufacture; including AND BEYOND the components we list in the niche market and sport compact sections of our site. The timing chain and gear set. Attachments may form an integral part of the link plate or may be built into the chain as a replacement of the normal link. Rover V8 Cloyes "Street" Duplex Roller Chain Set. Well I did the same thing In mine years ago, you saw your stock chain it looked like a thicker bike chain, well the double roller is the same but with another chain attached next to it kinda and what it does is helps keep the chain from stretching, Its the next best thing to do other then gear drive, which has no chain at all just 4 gears. He told me his brother and the mechanic helping him build his engine both told him a double roller timing chain is a gimmick, doesn't do anything, and is a waste of the extra money it costs over the oem. Camshaft & Valvetrain Components - Timing Chains and Sets. Timing Set by Melling®. Mancini Racing Billet Double Roller Timing Chain. Speciality Chain Series Roller Chains for Power Transmission BS Roller Chain (British Standard Roller Chain) DID BS Roller Chains conform to the ISO (International Organization for Standardization) "B series", and they are manufactured in conformity with the British Standard or German Standard. more info from their catalog V-8 Small Block Vortec (l31) 1996-UP