Vintage OHV motors - whats legal?

[bsmlakester]

Can you only use a inline OHV motor in the vintage XO class? Or can you use V-8's that were pre-59?  thank you.

[dwarner]

From the 2009 rulebook:

"XO class consists of overhead valve (OHV) and flathead inline and flathead V8 (except Ford & Mercury) and V-12 engines, 1959 or earlier design, up to 325 cid. Examples include Chevrolet, GMC, Hudson, Packard, Buick, Lincoln and Cadillac.  Foreign engines are NOT included."

Bold print mine,
DW

[jimmy six]

bsm, Dans words may confuse you eventho they are right out of the book. 49 OHV Cad, Buick, Packard OHV V-8, 55 Chevrolet V-8, Chrysler . 54 Ford, etc are not allowed in vintage. It is not normally a V-8 class but there are some that fit like the Cadillac flathead 

A Chev 6 of 1959 is the same design as a 1937. a 58 GMC 6 is the same design as a 1940 GMC 6. Same for the Hudsons or 1960 Plymouth 6 which is a flathead of the same design of the 40's...This may help.............JD

[Stan Back]

bsm --

You certainly aren't the first one to be confused.  Guys have built complete cars assuming that the early OHV V-8s are included.

Stan

[dwarner]

I don't see where the word flathead would cause any confusion. How should the sentence be rewritten?

DW

[4-barrel Mike]

Perhaps: "XO class consists of INLINE overhead valve (OHV) and flathead..."?

Mike

[dwarner]

Thats good Mike. Sometimes you read the words so many times you see what isn't there.

Thanks,
DW

[panic]

A simple comma in the right place has the right effect.

[4-barrel Mike]

Thats good Mike. Sometimes you read the words so many times you see what isn't there.

Thanks,
DW

Your welcome, sir!   

Perhaps even better: "XO class consists of overhead valve (OHV) and flathead INLINE engines, and flathead  V8..."

Mike

[jimmy six]

We could always go back to when I started. Bring what you think is legal and they will tell you whether is is or not.

My suggestion will always be see what is running and setting records and then make your decision. You will still find a pretty good variety in the manufacturers. It's all with the $$$$$$. I love the all Jimmys, Stovebolts, Hudsons, Buick, etc:

[Bob Drury]

Hey!  don't wake up SSS.  The comma police have been silent for some time.  Unfortunatley I think they are tied in with the guldurn curse word folks...................

[Seldom Seen Slim]

Bob, are you suggesting I should reset the curse-word monitor?  Unh, what'll I do this time -- Colors?  Tire brands?  Give me some guidance here -- or I'll stick with the cars.  No comma comments, though -- I've let that job go on a well-deserved vacation.

[bsmlakester]

thanks a ton, for saving me so grief.  See you on the salt.

[panic]

Legal meanings, as found in 10,000 court decisions:

"XO class consists of overhead valve (OHV) and flathead inline and flathead V8 (except Ford & Mercury) and V-12 engines, 1959 or earlier design, up to 325 cid"

Permits Buick nailhead, Chrysler hemi, poly, B/RB, Cadillac, Ford Y & MEL, Oldsmobile Rocket, Pontiac, Packard, Studebaker OHV V8.

"XO class consists of overhead valve (OHV) and flathead inline, and flathead V8 (except Ford & Mercury) and V-12 engines, 1959 or earlier design, up to 325 cid"

Does not.

[RichFox]

Permits Buick nailhead, Chrysler hemi, poly, B/RB, Cadillac, Ford Y & MEL, Oldsmobile Rocket, Pontiac, Packard, Studebaker OHV V8.

How would this omit Chevy small blocks and "W" motors and allow Ford Y and MEL and FEs came out in '58 but he rule specifically excludes Fords and Mercs. If it really did allow any OHV V8 motors, which it doesn't. I never had any difficulty reading this rule and ran in the class for some time.