vintage engine questions

[sanger351]

I am not looking at building a car with a vintage engine, but when I read the discription of the XO class I have some questions.

First 1959 or earlier design.  Ford introduced the 332 FE in 1958 so it, and all other FE's are legal to run in the XO class as long as it is under 325cid, XXF or XXO 325-375cid

What about the SBC? 1955?

When do heads become "speciality" heads?

What am I missing? Original engine dimensions?  Cast heads only?
Just trying to wrap my head around this.
Thanks

[GH]

XO & XXO has to be inline engines.

[dwarner]

You have to read every word of each sentence.

DW

[Sumner]

XO & XXO has to be inline engines.

.........or flathead V-8's (other than Ford or Mercury), V-12's or flathead inline motors,

Sum

[RichFox]

It's amazing how often people misread this rule. The class would be a lot different if 392s were allowed.

[4-barrel Mike]

Or Packard V8's

[RichFox]

Packards might be OK. I think I can see that.

[dwarner]

Just think if a Chevy 265, morphed in to a Dart 350 block would run in a roadster. It began as a Vintage engine, not so much now.

DW

[jimmy six]

Damnation: Reading complete sentances. The curse of my grade school teachers....Sanger: your not the first one to do this................JD "the GMC hoarder"

[will6er]

necklaceation: Reading complete sentances. The curse of my grade school teachers....Sanger: your not the first one to do this................JD "the GMC hoarder"

So it IS true - I thought you were only saving them FROM the hoarders

Will6er

[sanger351]

Thanks I knew I was missing something.