Swamp Buggy

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Re: Swamp Buggy

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Re: Swamp Buggy

Postby rickf » February 9th, 2016, 5:41 pm

Howard,You are exactly right, they are welch plugs. They are called freeze plugs because when a block would freeze they were the first thing to pop out since they are pressed in. A lot of the times the block did not crack and people thought it was because of the plugs, It was actually because they were lucky. :roll: :lol: The true purpose of the holes was to remove casting sand after the block was cast and the plugs were just there to fill the hole. I know those holes well since I had a job in a casting factory for a while as a mold breaker. You were at the end of the line after the casting cooled just a bit, not quite red still, and you had this big assed needle scaler hammer that you hammered the casting with to knock loose all the sand. That was one HOT, DIRTY, NASTY job!!! Never saw Mike Rowe doing that one. I quite after 6 months at that place.
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Re: Swamp Buggy

Postby kmam » February 9th, 2016, 6:27 pm

You've been around Rick!

Maybe you should send that to Mike as a suggestion?

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Re: Swamp Buggy

Postby kmam » February 9th, 2016, 6:30 pm

halftracknut wrote:Park your jeep with water or weak anti freeze in the block on a cold night and you will find out why we call them freeze plugs.... :lol: :lol:

The coldest night here is about 12C. Not sure that would work...

At present night is about 24C.

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Re: Swamp Buggy

Postby rickf » February 9th, 2016, 9:22 pm

I think you have to have a working place for him to do it at and that place is closed and gone 40 years ago. Still remember the name of the place, Abrasive Alloy Casting Co.. Funny, because I have forgotten the names of many places I have worked since then. That is how bad it was.
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1984 M1008
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12/1952 M100- Departed
AN/TSQ-114A Trailblazer- Gone
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Re: Swamp Buggy

Postby Surveyor » February 10th, 2016, 3:42 pm

If it is the plugs, I see someone once posted before about the Dorman 555-065 as replacements but don't see anything else mentioned. Anyone used these before with good results? I see Rockauto has them for .70ea in packs of 10.
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Re: Swamp Buggy

Postby Surveyor » March 14th, 2016, 6:03 pm

Arrrrrgh! Shop crane on back order. Shop crane shipped. Shop crane box 2 damaged by FedEx somewhere around Memphis. FedEx sends box 2 back to HF and it gets back in Cali on the 9th. Call today... box 2 on backorder. sigh

Update 04/18/16 - Between Memphis and here they damaged the second one... needless to say order canceled.

Update 05/01/16 - New crane and load leveler. Bottom 1/3 of top rear plug was rusted away. Oddly, the other one looks brand new. May have lucked out with block.
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Re: Swamp Buggy

Postby Surveyor » May 21st, 2016, 8:18 pm

Bone dry...

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Re: Swamp Buggy

Postby rickf » May 22nd, 2016, 9:25 am

This is not the engine you were having all of the compression problems with obviously? This one appears to not have run in a LONG time.
1964 M151A1
1984 M1008
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12/1952 M100- Departed
AN/TSQ-114A Trailblazer- Gone
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Re: Swamp Buggy

Postby Surveyor » May 22nd, 2016, 9:46 am

Same engine.
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Re: Swamp Buggy

Postby rickf » May 22nd, 2016, 2:43 pm

Well that could explain the compression issues. I would guess the valve seats are as rusty as the heads and the rings are toast on those dry cylinders. That is why you always squirt some oil in the cylinders of an engine that has been sitting. Better to have too much oil than not enough. Nothing was going to help those valves though.
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Re: Swamp Buggy

Postby Surveyor » May 22nd, 2016, 3:03 pm

Yeah, looks like I got a ways to go but on the flip side things looked way better.

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Re: Swamp Buggy

Postby Hambone » May 22nd, 2016, 7:38 pm

May get by with a hone job and a new set of rings? May be cheaper buying another head than having that one rebuilt.
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Re: Swamp Buggy

Postby rickf » May 22nd, 2016, 8:38 pm

I agree, I don't see any ridge at all in the cylinders, hone them out and throw in some new rings, check the pistons to make sure they are standard size first. that is a light duty head so find a heavy duty head and g with that, it will already have the hardened seats in it.
1964 M151A1
1984 M1008
1967 M416
04/1952 M100
12/1952 M100- Departed
AN/TSQ-114A Trailblazer- Gone
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Re: Swamp Buggy

Postby fergrn37 » May 23rd, 2016, 9:44 am

rick - what are the differences in the heads and how can one tell visually when installed on an engine?
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Re: Swamp Buggy

Postby Surveyor » May 23rd, 2016, 10:05 am

Ham & rick - That's now my current plan. Thanks for suggestion.

fergrn - I looked it up last night - http://g503.com/forums/viewtopic.php?p=592323

short answer - better for unleaded gas/manifold supports are thicker and less likely to break.
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