I have an LT1 I have installed a new cam in. It is spec'd like this: 242 at 050 IN, 248 at 050 ex., Dur-292In, 300Ex, .584/.579 lift 113 degree lobe sep. Will my existing Proform 1.6:1 self aligning roller rockers work with this? Do I need to use regular SBC non self aligning rockers? Could there be a clearance problem with baffleless (new word) aftermarket aluminum valve cover? Pushrods are 1 piece hardened 7.200". Is that a suitable length? Anything else I'm forgetting? Have I asked too many questions for one post?

 

I would switch over to NSA rockers with guideplates and pitch the hardened pushrods in favor of a chrome moly set. As for them being the correct length, it is always best to check it with a pushrod length checking tool. As for the stock valve covers, they will require some massaging of the inner baffles to get a set of Comp rockers to fit.