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Forum: 60 & Older Pontiac TECH 12-07-2020, 02:30 PM
Replies: 8
Views: 2,151
Posted By MJVAUGHANS
I am not sure if this info will help you, but the...

I am not sure if this info will help you, but the stock heads on my 55' engine were the same. They both had all of the holes etc. on the ends, but one was just on backwards from the other. This...
Forum: 60 & Older Pontiac TECH 09-24-2020, 01:20 PM
Replies: 10
Views: 3,325
Posted By MJVAUGHANS
Do you have a pic of the assembly? If it is like...

Do you have a pic of the assembly? If it is like mine I make my own out of cork gasket material. You can sometimes find one at a farm supply store.
Forum: 60 & Older Pontiac TECH 05-21-2020, 01:27 PM
Replies: 27
Views: 5,212
Posted By MJVAUGHANS
Also, since I eliminated the stud oiling but the...

Also, since I eliminated the stud oiling but the oil still circulated up to the heads and I did not like the idea of it being trapped there, but not sure about how much restriction to create if any,...
Forum: 60 & Older Pontiac TECH 05-21-2020, 12:41 PM
Replies: 27
Views: 5,212
Posted By MJVAUGHANS
Bill, I wish I had the pics or diagrams with...

Bill,

I wish I had the pics or diagrams with me now. There is a hole in the side of the head with a plug in it that you can see. It is approx. the size of your finger. Then there is another...
Forum: 60 & Older Pontiac TECH 05-21-2020, 10:34 AM
Replies: 27
Views: 5,212
Posted By MJVAUGHANS
Bill, I wish I had pics with me to show, but...

Bill,

I wish I had pics with me to show, but here is the gist.

There is a hole in either end of the cylinder head that blocks off the ends of the oil galley that runs under, and feeds, the...
Forum: 60 & Older Pontiac TECH 05-20-2020, 04:56 PM
Replies: 27
Views: 5,212
Posted By MJVAUGHANS
694.1, As far as upgrades during the...

694.1,

As far as upgrades during the rebuild:(Memory may be sketchy)
1. Old stock rebuilt complete original configuration oil pump.
2. Machined valve guides and installed positive seals.
3....
Forum: 60 & Older Pontiac TECH 05-18-2020, 02:35 PM
Replies: 27
Views: 5,212
Posted By MJVAUGHANS
The guts are swappable with later parts. Even...

The guts are swappable with later parts. Even considering the straight cut vs. helical gears I believe they both fit just fine. My problem was that the cast iron body was damaged on mine. The...
Forum: 60 & Older Pontiac TECH 04-23-2020, 01:31 PM
Replies: 27
Views: 5,212
Posted By MJVAUGHANS
UPDATE: For anyone who cares about the...

UPDATE:

For anyone who cares about the outcome of this issue, I discovered after tearing the engine completely down to rebuild, again, that my oil pump had a chunk missing out of the seat where...
Forum: 60 & Older Pontiac TECH 04-13-2020, 01:20 PM
Replies: 14
Views: 3,001
Posted By MJVAUGHANS
Do you have a broken one, or is it missing all...

Do you have a broken one, or is it missing all together? Mine was cracked so I repaired/rebuilt it and re-enforced it in the process. As you stated it is just steel so can be welded as long as you...
Forum: 61-77 GTO, Tempest & LeMans Parts For SALE 07-16-2019, 12:03 PM
Replies: 0
Views: 618
Posted By MJVAUGHANS
44S Spark Plugs

I have a set of (8) 44S AC FIRE RING Green Stripe spark plugs for sale. NOS, never run. These are not the later "R" resistor plugs. The box is not in the best condition, but they are in the...
Forum: 60 & Older Pontiac TECH 07-07-2019, 09:59 PM
Replies: 7
Views: 2,778
Posted By MJVAUGHANS
I think I will start with the R45S and see how...

I think I will start with the R45S and see how they look after I break it in and run awhile. I was just concerned about them being a little too hot.
Forum: 60 & Older Pontiac TECH 07-07-2019, 05:37 PM
Replies: 7
Views: 2,778
Posted By MJVAUGHANS
1955 spark plug question

I have a 1955 GMC with the 287 V8 that I am getting ready to fire for the first time after a rebuild and I am trying to decide which spark plugs to put in it.(Or at least to start with) It has the...
Forum: 60 & Older Pontiac TECH 05-06-2019, 07:59 PM
Replies: 90
Views: 10,845
Posted By MJVAUGHANS
Jack, Is your cutter .500 or .530 ?

Jack,
Is your cutter .500 or .530 ?
Forum: 60 & Older Pontiac TECH 05-06-2019, 11:47 AM
Replies: 90
Views: 10,845
Posted By MJVAUGHANS
I think I am going to talk to the machine shop...

I think I am going to talk to the machine shop about it before I try it myself. But I do appreciate the offer. If I did not have so much going on already I would not be afraid to do it though.
Forum: 60 & Older Pontiac TECH 05-04-2019, 12:04 AM
Replies: 90
Views: 10,845
Posted By MJVAUGHANS
Heads are not on yet, but they of course would...

Heads are not on yet, but they of course would have to be stripped back down, again, for machining. I am just afraid how long it would take for the machine shop to cut them down. Also, I see...
Forum: 60 & Older Pontiac TECH 05-03-2019, 12:29 PM
Replies: 90
Views: 10,845
Posted By MJVAUGHANS
I cannot quote where I saw it, but somewhere on...

I cannot quote where I saw it, but somewhere on the internet I read a comment about these being umbrellas and their purpose was to deflect oil from the guides and they did not have to stay solidly...
Forum: 60 & Older Pontiac TECH 05-02-2019, 11:24 AM
Replies: 90
Views: 10,845
Posted By MJVAUGHANS
JACK, These seals were on the guides when...

JACK,

These seals were on the guides when the heads were disassembled. Are these junk? Will they work?

https://www.summitracing.com/parts/cca-504-16/overview/
Forum: 60 & Older Pontiac TECH 05-01-2019, 01:11 PM
Replies: 90
Views: 10,845
Posted By MJVAUGHANS
My machine shop said they put it back the way...

My machine shop said they put it back the way they would have been stock. I can see that the bosses are not machined down. They said the Intakes have an o-ring, and the Exhaust has nothing. Will...
Forum: 60 & Older Pontiac TECH 04-29-2019, 01:38 PM
Replies: 90
Views: 10,845
Posted By MJVAUGHANS
I cannot justify the work to put roller tips on...

I cannot justify the work to put roller tips on this motor. Stamped steel will have to do.
Forum: 60 & Older Pontiac TECH 04-28-2019, 04:47 PM
Replies: 90
Views: 10,845
Posted By MJVAUGHANS
This would not effect oil pressure would it?

This would not effect oil pressure would it?
Forum: 60 & Older Pontiac TECH 04-28-2019, 04:40 PM
Replies: 90
Views: 10,845
Posted By MJVAUGHANS
What do you mean? Are you talking about the...

What do you mean? Are you talking about the seals with the springs on them? I was going to just use the little o-rings that are on the top of the valve stems, or maybe the slip-on rubber umbrellas...
Forum: 60 & Older Pontiac TECH 04-28-2019, 04:23 PM
Replies: 90
Views: 10,845
Posted By MJVAUGHANS
My thought was that now the oil will travel up to...

My thought was that now the oil will travel up to the heads and be deadheaded with no way to escape including oil changes. May even trap air pocket? What about replacing the plugs, but drilling a...
Forum: 60 & Older Pontiac TECH 04-28-2019, 02:29 PM
Replies: 90
Views: 10,845
Posted By MJVAUGHANS
I have already had a machine shop remove the...

I have already had a machine shop remove the studs, cut down the bosses, and thread the bosses for the studs using the mill. I just have to install.
Forum: 60 & Older Pontiac TECH 04-27-2019, 11:17 PM
Replies: 90
Views: 10,845
Posted By MJVAUGHANS
Update:rocker arms

Fast forward a few years.
I have the whole engine out again for repairs. Long story, subject for how are the heads.
So what I am doing is: remove all the expansion/ galley plugs and clean...
Forum: 60 & Older Pontiac TECH 01-14-2019, 11:05 PM
Replies: 9
Views: 1,257
Posted By MJVAUGHANS
Ok guys, Mike here. We did get the info we...

Ok guys, Mike here.

We did get the info we were looking for on the journal bores.
Jack-Yes, you were correct with your last numbers.
Bill-I learned something I did not know either about the...
Showing results 1 to 25 of 68
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