Re: Previous owner '68
 

Too hot to paint anything but I will shoot primer since a bunch of it will get sanded off.

Re: Previous owner '68
 

Did some stripping on the tailgate today. I don't really like stripping...

Re: Previous owner '68
 

Well, the weather is finally cooling down a bit so I decided to get in the un-AC'd part of my shop and pull an engine for this truck. It's coming out of this jimmy.

Re: Previous owner '68
 

Ran when parked (at least I parked it!). Going to tear it down, inspect it, and then do a budget build on it. Don't most engine projects start this way?

A pretty busy day for an old guy working by himself.

Re: Previous owner '68
 

And one greasy, worn-out transmission, to match one greasy, worn-out old dude.

Re: Previous owner '68
 

Hopefully you’ll sleep well tonight!

Re: Previous owner '68
 

I better!

Re: Previous owner '68
 

I know all about old guys working by themselves ....but we getter done ....nice to see you back at it...

Re: Previous owner '68
 

None of the work happens by itself! Good to see some progress, Roger

Re: Previous owner '68
 

Thanks guys, I have been busy, just not on the truck!

Re: Previous owner '68
 

Just catching up on your build. For your horn button I would have someone scale to fit and print out in gold your av pic ragged Jim.

Re: Previous owner '68
 

That would be pretty cool. Thanks!

Re: Previous owner '68
 

You ever installed an AC on one of these old trucks? I may be looking to put one in next summer lol

Re: Previous owner '68
 

AC??? We don't need no stinking AC! Seriously, no. I love AC but my old vehicles are all 2/55 ac.

Re: Previous owner '68
 

Check my alternate build! https://67-72chevytrucks.com/vboard/...37#post9340537

Re: Previous owner '68
 

Cool build. I really like the choice of the metal bed floor. Looks like you are making steady progress. Maybe a rat fink horn button?

Re: Previous owner '68
 

Thanks, the metal floor is still killing me. I'm pretty sure I'm going to have to bedliner it.

Ratfink has always rubbed me the wrong way for some reason, but thanks for the suggestion!

Re: Previous owner '68
 

Me too, never was a huge fan. I painted this emblem on the bottom right corner of tailgate on a 51 chevy for a friend years ago. I think it is my favorite chevy emblem. Except maybe the shield on a 55 car.

Re: Previous owner '68
 

I do like that one. I have been looking for an emblem on the web but so far haven't found one that works.

Re: Previous owner '68
 

Tore into the engine a bit. Looks pretty clean but lots of carbon build-up around the crossover ports.

Re: Previous owner '68
 

So I decided I would do a leak-down test. I know, the results might be different if the engine was hot and fully oiled, but I did it anyway.

Test psi was 100psi and I did test both at top stroke and bottom of each cylinder.

Results were:

Cyl 1 top - 90%, bottom - 92%
Cyl 2 top - 84%, bottom - 88%
Cyl 3 top - 84%, bottom - 80%
Cyl 4 top - 90%, bottom - 90%
Cyl 5 top - 82%, bottom - 80%
Cyl 6 top - 86%, bottom - 84%
Cyl 7 top - 96%, bottom - 94%
Cyl 8 top - 90%, bottom - 90%

Now this was a long sitting, dry engine. Given the results I am going to replace the valve guide seals and hope for the best. If you think I'm screwing up let me know.

Re: Previous owner '68
 

Looking at how clean the valley is on that one, and your cold test results, I'd say it's a runner.

Re: Previous owner '68
 

Too late, I couldn't resist tearing it down! I'd hate myself if I didn't.

Pics to come...

Re: Previous owner '68
 

So, I pulled the heads. I decided to go ahead and put new head gaskets, valve seals, etc. Cylinder are pretty clean, no ridge at all, and still some crosshatch on the bores.

Tops of pistons have carbon, she was running a bit rich. The liquid is Marvel Mystery fluid I used to store engine for the last 20 years.

Re: Previous owner '68
 

Cleaned tops of pistons with Aircraft stripper, not perfect, but it'll do. By the way, they are .030 over.

Re: Previous owner '68
 

Main bearings and rod caps look good. I put them back with a bit of assy lube and torqued them down.

Re: Previous owner '68
 

Crank looked good too.

Re: Previous owner '68
 

Shop is kinda a mess while I'm doing all of this.

Re: Previous owner '68
 

Wasn't going to pull the cam but I decided to so I could get some assembly lube on it. I also replaced the cam plug. Not sure what cam is in it. The end was stamped B040A and 891344 which I couldn't find anywhere on the web.

No pic of cam but here's one of the timing chain and the rear cam bearing.

Re: Previous owner '68
 

Starting on the heads tomorrow. If all looks good I'll replace the valve seals, lap the valves, and reassemble them. They are nothing special, I just want a good running truck.

Re: Previous owner '68
 

you got busy in a hurry ....nice progress

Re: Previous owner '68
 

Thanks Zicc!

Finished tearing down the heads. I used a lever type spring compressor my uncle made to remove the keepers.

Clamped the heads down to my table and started levering the springs. Also used a magnetic pickup tool and a pick to remove the keepers.

If you're curious, the heads are 333882 on drivers side and 42624 on passengers side. The intake valves are 1.94" and exhaust is 1.5". Not the best heads, but they will work for me.

Re: Previous owner '68
 

Tried my best to remove this broken exhaust manifold stud. Basically, an hour of dicking around with the welder. No bueno.

I'm going to take the heads to the machine shop to have them cleaned and the broken stud removed. Sometimes you gotta know when to let the pros do it.

Once I get them back I will lap the valves and reassemble.

Re: Previous owner '68
 

Gonna need a new dampener. Unless you guys have an answer for this.

Re: Previous owner '68
 

I also disassembled the oil pump out of curiosity. Looked good inside, looks like it is a Melling high volume pump.

Re: Previous owner '68
 

I have used this repair kit with great success.

https://www.autozone.com/external-en...4121/76828_0_0

https://www.ebay.com/itm/12656266943...xoCy84QAvD_BwE

Re: Previous owner '68
 

I've heard of those, what is the process? Do you epoxy it to the snout?

Re: Previous owner '68
 

The kit comes with a red Loctite type stuff....If you buy the bare sleeve I would use red Loctite.

Re: Previous owner '68
 

Thanks!