[Formulajones]

Originally Posted by HWYSTR455

I say vacuum advance isn't necessary? Not sure if that was to me, but I've always said full manifold vacuum is the way to go.

Yes, metal to metal, and no, it won't leak. It's a machined surface torqued at 120, there's no seepage unless it's not machined right.

Ask Butler then if BOP, who makes the seal, isn't trusted.

https://www.bopengineering.com/seal_instructions.pdf

Just going to have to disagree on this one, please don't take it personally.

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No, BOP tells everyone that vacuum advance isn't necessary, which is sillyness.
I didn't say I don't trust BOP, my point was when they make statements like that you sort of have to sift through what you know works and what doesn't and make your own decisions. Some of this stuff you just have to take with a grain of salt. Nothing personal taken bud, I just know what I've seen come through here, and what has been the solution. Not my idea, I gain a lot of those little tricks from other very knowledgeable engine builders over the years.