double roller timing chain

[Camaro Dom]

So i've heard the term "double roller timing chain" thrown around plenty of times on this board. i'd really like to know what it is and why it seems to be a poplular mod. who can help me out?

[99pewterv6]

Re: double roller timing chain

Well it's really not a mod by itself. Only need the double roller chain if you are changing your valve springs to a higher seat pressure (130#+ or the ls6 90#) along with an aftermarket cam

[Camaro Dom]

Re: double roller timing chain

alrighty... what exactly is it tho? i know what a timing chain is (duh) but whats w/ the double roller part?

[99pewterv6]

Re: double roller timing chain

Its just a chain that is 'thicker' meaning it looks like two chains in one.
See this pic

The reason you add the double roller chain is to eliminate the chain tensioner on the stock single chain. The dampener is just plastic and will wear out quicker with the higher springs pressure.

[Pewter02Camaro]

Re: double roller timing chain

MMMM thats hot lookin! :drool:

[Kal-El]

Re: double roller timing chain

i have 1.9 roller rockers with ls6 springs and ls1 retainers and im not useing a double roller though did replace my timing chain with a Rollmaster timing chain cuse my stock one was old and did not want to risk anything happen with my set up