They are, and 12 point often instead of 6 point.
So far as I dig deeper into my 383
- Thread starter FuryDan66
- Start date
Use whichever one fits snugly on the head of the bolt.. You don't have a full socket set to try them??
I just went out to verify - I thought too long on the original reply and corrected my thought, was gonna say 11/16" bolt head.. and that's what it is, not 3/4".
Failed another exam, once again for going back and changing the answer - always happens.
I just went out to verify - I thought too long on the original reply and corrected my thought, was gonna say 11/16" bolt head.. and that's what it is, not 3/4".
Failed another exam, once again for going back and changing the answer - always happens.
Ripinator
Old Man with a Hat
I did not know this. . . Hard to believe ARP can't provide a factory-style head bolt for a 383. Maybe they want you to use studs, instead of bolts. . .
traintech55
Senior Member
So sorry about that. Hell I have been divorced twice and I kept my tools. Even though one they no longer wanted.
He is wearing kind of a smug face........... so just maybe.
LeBaron1973
Old Man with a Hat
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So this morning I went to take off the heads and the lower head bolts are at an angle. So no problem I'll just remove the exhaust manifolds... So the owner before had new exhaust put on and the exhaust flange that runs to the manifold flange is over sized. The bolts just sit in there, so I think he (exhaust shop) had them welded into the exhaust manifolds;( So I'm hoping if I put together a 11/16 short socket with a swivel and then an adaptor I'll be able to get to it. Fingers crossed, now it's a Sunday project lol again.
traintech55
Senior Member
I take it , you have dual exhaust? If you do you should be able to move the manifold off the head with a pry bar. If you have the stock manifolds, and not the HP ones you may have to lift the engine on the passenger side a little so the manifold will clear the upper control arm mount. (Yes I have done this before).
Stock manifolds, got them off and away, but maybe the socket I have is to long and not allowing me to get the angle unless I pull the manifolds out. Have to go to work now but I'll try a smaller socket and a swivel
traintech55
Senior Member
OK. Sorry you have to go to work, (the nastiest four letter word in the English Language). Keep us posted on your progress.
Ok , so once i removed my heads i did have the water journals dump antifreeze. So I really can't say if this antifreeze in the piston was from removing the heads or from a blown head gasket. These photos are driver side head and gasket.
68PK21 440.6bbl
Old Man with a Hat
Funny you all talking about head bolts. While channel surfing yesterday I surfed to Graveyard Carz and the allmighty Mark 'Monster Matco Toolbox' Worman uses a SnapOn Torque Wrench on the headbolts of the 440 rebuild!
stubs300
Senior Member
It's hard to tell but in the middle, which would be #4 & 6 looks like it might be burned through. Study that area on the block and head as well and look for that burned kind of area and compare it with the gasket to tell. Study that as well with the dvr's side. Good Luck
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