i got these 95z heads off e bay and they didnt come with any rocker studs. does anyone know what the rocker stud specs are or which ones you would recommend with 1.6rr. in addition to that what would be a good set of valve springs to match up with a hotcam which i could also use on a cc306 if any? thanks.

 

What size RRs do you have, 3/8 or 7/16? Don't have any part #s handy, but I went with ARP 7/16 studs and CC NSA ProMags. As far as the springs, I'm a firm believer in the 918 beehives.

 

I have gm 1.6 roller rockers on the stock heads in the car with a hotcam and springs. just want to make my swap easy so that I can just pull off the old ones and then put the ported ones on quickly without having to cahange hardware.

 

I think the Hotcam rockers are 3/8s, but double check before you order any studs. As I said, I believe the 918s will work fine for both cams. The only thing is, if you switch to the 306 you really should go with NSA 7/16 rockers and the 7/16 studs. Along with GMPP or adjustable guideplates and some nice pushrods, like the Hi Techs. Most guys won't run the 306 with SA rockers, to much lift. There are other choices too for pushrods, the Hi Techs are just one example.

 

Yeah, the Hotcam rockers are 3/8"