On a 1994 LT1, if I'm going to keep the spline drive opti, what is the best timing chain option?

 

IIRC, Cloyes makes a LT1 specific timing chain.

 

Does it hold up well to performance cams and valve springs? The internet would have me believe that the stock single non-roller style chain can barely hold up with the stock cam and springs.

Cloyes has a True Roller set, but it only fits with pin-drive opti.

Are people having good success with the oem style chain with more aggressive valve train?

 

if memory serves, way back in the day people would switch to pin drive/vented optis for more timing chain options. Stock chains tend to stretch. Here's the how to:
http://shbox.com/1/4th_gen_tech2.htm...p_requirements