Thread: #8 spark plug removal

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I can't see anyway possible or removing this thing short of removing the header. 1970 monte with air and a big block. Headers look like Hooker Super Comps. What makes it worse is that it has the 13/16 hex size plugs. If I can get that one out, by brealking of the porcelain, can I get a 5/8 size one to fit in there?

I don't think so 5/8 don't have a washer they are tapered. 13/16 use a washer to seal. I may be wrong but don't think so. Just drop the header.

Snap On has some very thin, very flexible deep well sockets made for these tight areas. I heard two of our techs talking about them, because one guy couldn't get some plugs out and the other guy loaned him that socket.

But, with some headers, as Charlie mentioned, you might have to drop them. Aren't big blocks fun ??????????


Don

Originally Posted by cffisher

I don't think so 5/8 don't have a washer they are tapered. 13/16 use a washer to seal. I may be wrong but don't think so. Just drop the header.

yes you do not want to put the 5/8 in there the reach is longer on the 13/16 plug

Check here: www.headersockets.com

edit: nevermind, they don't carry 13/16"

Pat

I use 5/8 inch plugs that have a gasket. Just have one of your old plugs in hand when you go the the parts store and have them match it up but with different wrench size hex head.

I might just have to drop the header. I took one of the old plugs, one of the seven that I could get out, and took it to the parts store. They couldn't match anything up. When I look up plugs at Summit for my heads, all they show is plugs with a 13/16" hex.

I didn't think you'd find one, but WHO knows

Originally Posted by DennyW

Some times, you have to make your own specialty tool for the job. Crow foot, heat and bend a wrench, cut and weld a wrench. Turn a socket on the lathe. Those type of things. I have several sockets, and wrenches I have made for those special occasions. Even a nice one for Corvette 4 speed linkage.

Was thinking that also. Some type of wrench might do, but it's so tight with the AC stuff sticking out of the firewall, that I still might have a hard time getting it to work.

I couldn't get the #8 plug out of my Camaro so I gave up for the time being (anyone who has changed the plugs on an LT1 4th gen F body knows the hell you go through)

Lucky for me I wrecked the car before I got to get back to changing it but now it shouldn't be too hard to change it before it goes in the '35

good luck

Don't feel so bad. I am building my own and still managed to design it so I have to pull the steering back to change #7.

Actually now I don't feel so bad, except for the engineering degrees backing me up!

Kitz