[Joe-Touring]

Bare Pontiac heads off a 1968 350. Small valve heads, pressed rocker studs. Chambers measure ~83 cc’s. Should be great for a 400 build at 9.5:1 comp ratio. Was going to use these for a 400 build but went in a different direction. $50 plus shipping. Located in western WA.

[Dragncar]

I think Jim Robertson was looking for some of these. Might have been 15s ?

[b-man]

Jim is looking for the elusive #18 1968 350 HO head.

[BILL BOWMAN1]

Originally Posted by b-man

Jim is looking for the elusive #18 1968 350 HO head.

Sorry to hijack, but what makes these so desirable?

[b-man]

Originally Posted by BILL BOWMAN1

Sorry to hijack, but what makes these so desirable?

When you want to build a correct engine you need the correct casting # heads, when’s the last time you saw a 1968 350 HO ?

In 1969 the 350 HO shared the same #48 casting as the RAIII and manual trans 400 engines, the 1968 350 HO had its own specific head casting.

Likely the biggest and only difference between the #18 HO head and the #17 would have been combustion chamber volumes, the #18 surely had a smaller chamber for a higher compression ratio. Both heads have small 1.96”/1.66” valves and press-in rocker studs.

Jim has his reasons and that’s enough.

[Joe-Touring]

Originally Posted by BILL BOWMAN1

Sorry to hijack, but what makes these so desirable?

I suppose another way to look at it, if you really wanna build an iron headed 350, the #18 heads have a tight 66cc chamber and small valves. Tight chamber to get your CR up and smol valves to avoid shrouding. Not many open chamber Poncho heads fit that bill.

[Joe-Touring]

[Joe-Touring]

Couple things I forgot to mention:

Casting flash has been removed and the pushrod openings have been elongated for 1.65 rockers.

The valve guides are knurled, if that's important to you.

[Joe-Touring]

Price reduced, I’m just trying to get these to someone who’s gonna use em. Free local pickup, or whatever shipping is.

[Joe-Touring]

Bump

[unruhjonny]

if I was passing anywhere near you I'd snap those up - but I have already been to Washington this year...

I sure hope these find a good home...

[Joe-Touring]

Originally Posted by unruhjonny

if I was passing anywhere near you I'd snap those up - but I have already been to Washington this year...

I sure hope these find a good home...

Looks like you’re up in Calgary, quite a drive. I’ve got some family up in Drumheller.

Yeah, hope someone can use em, they’re in pretty good shape and you’d get fresh seats when you step up to big valves.

I was thrilled to find em, but the cyl head guy at my machine shop quit. He originally quoted me at $1200 labor to set em up, got some new quotes and they were all around $2200. Decided at that price it’d be worth it to just snag some KRE d ports.

[unruhjonny]

Yeah, I totally get it.

I have a second cousin who lives in Portland, and I pass through Washington state to go to his place - my route is wholly determined by where I want to stop.

[Joe-Touring]

Bump

[Joe-Touring]

Bump

[mach flyer]

Hey Joe;
I think I might be interested in those heads … what would the shipping cost be to area code 72704 ??
Andy

[Joe-Touring]

Bump