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Forum Index


Board index » All Posts (rockabilly)




Re: Exhaust manifold heat spring
#1
Not too shy to talk
Not too shy to talk

Rockabilly
This is exactly what I was looking for! I went ahead and ordered one this morning. Thank you very much gentlemen!

Posted on: 11/28 7:22
Catch me on Instagram @rockabillydad or @pastironworks
1951 Packard 300
 Top 


Exhaust manifold heat spring
#2
Not too shy to talk
Not too shy to talk

Rockabilly
Anyone know where I can find a replacement spring for the exhaust manifold heat flap? The OEM spring was rusted and broke. I’m sure there are equivalent replacements out there but I thought I would ask here before I start mixing and matching.

Posted on: 11/27 12:03
Catch me on Instagram @rockabillydad or @pastironworks
1951 Packard 300
 Top 


Re: Head nut/stud torque?
#3
Not too shy to talk
Not too shy to talk

Rockabilly
Alright, just to follow up on this, I just did a couple of heat cycles and retorqued each time. 4 times in total. Problem solved. With those new lifter installed it is whisper quiet under the hood and makes the magnaflow exhaust system I welded together sound even better.

I can’t thank everyone on this forum enough for their help and advice.

Posted on: 11/26 8:11
Catch me on Instagram @rockabillydad or @pastironworks
1951 Packard 300
 Top 


Head nut/stud torque?
#4
Not too shy to talk
Not too shy to talk

Rockabilly
I finally got everything back together today and went to start the car but coolant is passing by the head gasket out the sides of the block/head. I torqued them to 62 foot pounds in the pattern laid out in the service manual. This is a brand new copper head gasket. Frustrated a bit.

Posted on: 11/25 14:50
Catch me on Instagram @rockabillydad or @pastironworks
1951 Packard 300
 Top 


Re: Pulling the valves
#5
Not too shy to talk
Not too shy to talk

Rockabilly
I ended up welding a washer around the top and was able to hammer it up and out. My god that was a pain.

Posted on: 11/24 9:27
Catch me on Instagram @rockabillydad or @pastironworks
1951 Packard 300
 Top 


Re: Pulling the valves
#6
Not too shy to talk
Not too shy to talk

Rockabilly
Well I was able to get one of the stuck lifters out without much of a fight. It froze with about 1/4” exposed and I was able to get it out with some vice grips and some light hammer taps.

The second one is determined to stay in the motor. There’s maybe a 1/16” exposed and I’ve been messing with it for a couple hours now. Any thoughts?

Resized Image

Posted on: 11/23 17:45
Catch me on Instagram @rockabillydad or @pastironworks
1951 Packard 300
 Top 


Re: Pulling the valves
#7
Not too shy to talk
Not too shy to talk

Rockabilly
Quote:

Ross wrote:
That is usually a sign that the valves on those lifters were stuck. Enough hydraulic pressure developed inside the lifter when the engine was turned over that the barrels have have expanded and are now stuck inside the tappet. Grab the barrel of the lifter violently with a pair of vice grips so as to crush it inward, yank it out of the tappet and discard. It was not any more good anyway. Lo siento mucho.


Hahaha! Here is a man I can relate to. It would make sense since the tapping noise was coming from the front and middle of the engine when I did my long screwdriver stethoscope trick. Each of those locations have a frozen lifter cylinder inside of the tappet. I'll be sure to give that a try. I was going to get a little beat of heat into the tappet as well to see if it helps loosen it up.

Posted on: 11/21 11:15
Catch me on Instagram @rockabillydad or @pastironworks
1951 Packard 300
 Top 


Re: Pulling the valves
#8
Not too shy to talk
Not too shy to talk

Rockabilly
Quote:

JeromeSolberg wrote:
If you can rotate the engine by bumping the starter, that may help.


I can just rotate the engine at this point by hand with a 1" socket on the crankshaft since there is no compression.

Posted on: 11/21 11:14
Catch me on Instagram @rockabillydad or @pastironworks
1951 Packard 300
 Top 


Re: Pulling the valves
#9
Not too shy to talk
Not too shy to talk

Rockabilly
So two of the lifter cylinders do not want to come out of the tappets. Any ideas of doing this without tearing up the tappets?

Resized Image

Posted on: 11/21 7:38
Catch me on Instagram @rockabillydad or @pastironworks
1951 Packard 300
 Top 


Re: 1951 300 ticking noise
#10
Not too shy to talk
Not too shy to talk

Rockabilly
Quote:

Mike Grimes wrote:
My 1951 Patrician was creating a click making me think I had a stuck valve lifter. The local PAC club's technical expert diagnosed the problem as a leaking exhaust manifold gasket. He was correct.


Yeah, that was actually the first thing I thought of, so I went through it to rule that out. Also, this was decidedly more of a metal ticking/contact noise.

Posted on: 11/21 6:34
Catch me on Instagram @rockabillydad or @pastironworks
1951 Packard 300
 Top 



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