I pulled the engine-trans./transfer case[in one piece] out of my 93 k3500 parts truck today.I split the engine off and put it on the stand to take the heads off. I tried to take the drain plugs out of the sides of the block but no go. I broke 2 -1/4in drive extensions off. Can i heat the block with a torch to loosen plugs? Or is there a better way to remove them? I don't want anti-freeze in the cyl. Also i pulled the glows out and they were wet and smelled kinda like old gas. I had tried to start it before i pulled it but it didn't fire and there was bubbles in the overflow tank after cranking without a belt on.Much to my suprise the engine is a 506 block and it has a goodwrench tranny. Any helpful hints would be appreciated. Thanks in advance. Barry:mad2:
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block drains
- Thread starter bk95td
- Start date
Jasonsmack
Recruit
Heating them up helps alot. I often spray some WD40 on the plugs when they are hot as well.
hereismylife
formerly j k auto
You can heat them up like he said or you can let them soak for a day using sea foam. Sea foam does wonders if you let it sit for a day
Sucess. They surrendered to the torch. I was a little nervous about torching the block. The anti-freeze that came out was black. The heads are definitly coming off now. Hopeing for just gaskets but i do have extra heads. Thanks for the replies. Gotta get back to it.I can' stand having my hands this cleen. Barry
Matt Bachand
Depends on the 6.5
Missy Good Wench
Wild Blonde from Cloud Mt
Put hex headed plugs back in with some Permatex #2 on the threads. This will enable you ro remove them later if need be.
Use Felpro gaskets for the heads. These are the best in the business.
Also the head bolts have to be replaced with new ones. TTY ya know :sad:
Just be sure that there is no real erossion around the fire rings.
Slight darkening of the metal is ok but if there is a deep erroded groove then the deck should be cut .010" and the thicker gaskets installed.
Best
MGW
Use Felpro gaskets for the heads. These are the best in the business.
Also the head bolts have to be replaced with new ones. TTY ya know :sad:
Just be sure that there is no real erossion around the fire rings.
Slight darkening of the metal is ok but if there is a deep erroded groove then the deck should be cut .010" and the thicker gaskets installed.
Best
MGW
Last edited:
The blown up trucks in my sig were purchaced that way. I've never had the thrill of blowing a 6.5 up, yet. I have engines for all of them now. I just need to get with it. If it wasn't for this stupid computer i could get more done on the fleet. Oh no my hands are clean again,back to work
bison
Well-Known Member
i would drill and tap the unused bosses for a 1/4 drain cock,that way you can drain the coolant when needed. thats what i did on mine.
schulte
ACCELLERANT!!!
In the future, try paraffin wax. Heat the whole sucker up and then melt some wax on it, concentrating around the edges of the threads. That stuff will seep like no other; we use it at work on motors with 5,000 HARD hours on cast iron blocks with painted over plugs that haven't been moved since manufacture. They usually come out on the first try.