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On the exhaust side of things, some engines in the middle 1970s did not use exhaust valve stem seals. Why? There is more positive pressure in the exhaust port than negative pressure. On the intake side, most usually vacuum. If you saw a puff of oil smoke on initial start-up, but then cleared...

Yes you can. You wouldn't put them on your monacos.

and I thought I was having a bad day...if those are stock "umbrella seals " they don't attach to the head, they just slide up the valve stem and attempt to deflect the majority of oil splash from the guide...machine shops may or may not cut the top of the valve guide boss to use aftermarket...

That sucks. What was the reason for the stem seal boots to have lifted?

So, you have tore it down by now huh? What was the issue?

@mobileparts

from a dead stop at bottom of grade

new post today, to update this one. it may be hard for some to imagine, but before i tore it down, it ran like a scalded dog. 1 mile up a 10% grade, at 90mph: super powerful but that 1 mile cost a quart of oil.

Younger people? 20" wheels are pretty common today, I have them on the Charger, and how many half ton trucks have them, from the factory? It ain't just a certain demographic that likes them.

i have discovered all 8 exhaust valve stem seal boots have lifted up from their seats & #5 cyl has a failed piston ring, evidenced by damage to cylinder wall. most of oil loss, however, was coming from passenger bank.

puking fresh oil out of tailpipe update. 2 things i have discovered; 1. all exhaust valve stem seals are lifted above their seating & 2. #5 cylinder has failed piston ring with scarred cyl. wall . .... any and all comnents are welcome.

YM43T3C264445 Axle packages are A31-A36 codes. No way to tell what diff it has from the fender tag. However, I would suspect the car has a broadcast sheet under the seat/seats and that would tell you what the axle would be. Try under the rear seat as it's the easiest to remove.

Well. I picked the 73 up today. And she’s rough but the good parts are really good and the bad parts are really bad so to speak.. (side note is there anyway to tell if it has suregrip from the fender tag?)

I sold a 59 Coronet 4door sedan two years ago for $8500. It was a nice running 326/Powerflite car painted in red and white. Had some rust in the floors and some spots on the body had been filled with Bondo or JB Weld, but very presentable with a "backyard" restoration. A 2door would have gone...

I'm not too familiar with pre-69 Chryslers, but CE23 on the fender tag should indicate it's a two-door hardtop.

prob should ask a Buick site

Have you seen that color combo? Any pics to share?

Join me in welcoming @Pave to FCBO.

I would have to have it if it had a gold top and gold leather interior. That would be striking.

Anotherc4 speed with AC. Cool!