Wanna help?

Have gotten all but one lil stubborn partially rounded bolt out View attachment 102421trying to regroup thoughts alot of frustration only a wrench will fit no room for socket
Try metric to see if it will grab enough to loosen it. Sometimes the slightly off sizing can grab it just enough to move it.

Was thinking what i did on last build. For the header bolts, used 1/4", a combination of swivel & extensions to custom angle the approach on the tricky ones. Was able to get direct on(sometimes from afar) squarely on each blot.
 
Try metric to see if it will grab enough to loosen it. Sometimes the slightly off sizing can grab it just enough to move it.

Was thinking what i did on last build. For the header bolts, used 1/4", a combination of swivel & extensions to custom angle the approach on the tricky ones. Was able to get direct on(sometimes from afar) squarely on each blot.
I thought of buying a long i think it was a 10 mm i saw that an unrounded bolt fit perfect not alot of movement but that will be my next try after i hopefully successfully use the gear wrench bolt extractor insert i have coming i checked an plenty of room for a 5/8 box end wrench to fit in the spot
That is what the insert size is with the 3/8 extractor i figure even if i can’t get box 5/8 on after insert in i can use good gripping open end an get alot more leverage with a 5/8 wrench
But i appreciate all the info! From all you guys!
 
Heckit!!

I've never had an opportunity to do this on a Mopar!!

Question if you don't mind my ignorance --
Do you AntiSeize the header bolts?
I did on any exhaust related bolts when I was into cars.

You got this!!
Go in head first, and don't come up for air til yer done
Yes you can
Some of the bolts are actually in some coolant passages in the heads so many use a high temp RTV on the threads to prevent leaks
Just a real bad spot on that on bolt
 
No specialty tool was gonna help on the Monza. I could use one of those spark plug sockets that has the 5/8" hex on the end. I could get it on the spark plug. Use a combination wrench to get plug loose. Get socket off plug before it hit the steering arm. Screw the plug out by hand..... and the tip of the plug hit the arm while the electrode was still in the plug hole. Again no amount of wiggling plug or holding mouth appropriately would get that darn thing out.

Even on the Vette. There are 3 or 4 plugs that are easier to get from below than above.

Now my Honda Civic. If I take my time I can have all 4 plugs out and new ones installed in maybe 10 minutes. Four screws. Pop off the coils. You do need to unplug harnesses from coils. Pull plugs. Reverse steps. Close hood. Done!

View attachment 102405

Now.... The 99 Intrepid with the 2.7. 6cyl. Bought plugs. Trying to figure out what I needed to do to change them since I couldn't see them. After investigation. Basically you had to take the top of the engine apart. Air filter had to go. All the covers over the top. It was at least a 1/2 day job just to get to where I could see them. Haven't had the car since 2013. Spark plugs are still in my tool box.
Most likely a car lift to get to them. Years ago my father in law had a car lift. What a handy apparatus.
 
Yes you can
Some of the bolts are actually in some coolant passages in the heads so many use a high temp RTV on the threads to prevent leaks
Just a real bad spot on that on bolt

Thank You For Your Time And Patience to reply!

That Boltbiter looks interesting.
 
Thought ---
Find someone // auto repair shop with a torch willing to help.
Go to Autoparts or Hardware store and get the appropriate size needed,
Take the wrench to the auto repair, and have it bent to what you need??
May cost $20 all together but you have what you need for any future odd bolt issues???
 
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