Y2K WS6

iTrader: (33)

I am building a 347 with a medium cam slightly ported LS6 yeads and an APS twin turbo kit. Some folks have said "you have to do roller rockers" and I've read where I've searched that "stock are just as good" I'm planning to spin the engine to 7000 - 7300 tops.

So what kind of gains would I see?

Is there any detrimental problems sticking with stock rockers?

98Z28CobraKiller

iTrader: (17)

Stick with the stockers. If you have reservations and want to spend some money for piece of mind, send them to Harland and they change the bearing setup for you but it's not neccesary IMO.

Y2K WS6

iTrader: (33)

what kind of cost is involved in that?

hellbents10

iTrader: (10)

the only problems with stock rockers come with using bronze guides vs. the factory iron valve guides. So if you still have factory type guides then the stockers will be just fine.