Thread: 454 build - what intake and cam ?

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Maybe to early in the morning for me to be answering / asking questions but.. isn't there a big seal ( o-ring ) on a GM dizzy? Does yours have it in place?

Originally Posted by 34_40

Maybe to early in the morning for me to be answering / asking questions but.. isn't there a big seal ( o-ring ) on a GM dizzy? Does yours have it in place?

No, none on any I've worked on.

Originally Posted by 34_40

Maybe to early in the morning for me to be answering / asking questions but.. isn't there a big seal ( o-ring ) on a GM dizzy? Does yours have it in place?

I don't want to pull the distributor on the ZZ4 to check, but Summit shows one....https://www.summitracing.com/search?...shaft%20o-ring

Thanks to Glenn for pointing out that ceejay is asking from Sri Lanka! I hadn't picked up his location!