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429mustang · 07-01-2002, 05:34 PM

I was told by a machine shop that you don't need to use guideplates or aftermarket studs with aluminum roller rockers if the cam lift doesn't exceed .520
I got a set of proform roller rockers for a 355 sbc, my heads are still at the machine shop, should I have them machine and tap the heads for guideplates/studs or should I be ok?

07-01-2002, 05:34 PM	#6
429mustang Registered Member Join Date: May 2001 Location: westerville, OH USA Posts: 618	I was told by a machine shop that you don't need to use guideplates or aftermarket studs with aluminum roller rockers if the cam lift doesn't exceed .520 I got a set of proform roller rockers for a 355 sbc, my heads are still at the machine shop, should I have them machine and tap the heads for guideplates/studs or should I be ok? __________________ 1990 Notchback: BBK Ceramic Coated Full length headers, Dr. Gas 3"- 2 1/2" x-pipe, Flowmaster 40's/turndowns.