byronpen

I have a set of heads, for my 302, but I lost on what year they are, Im into my second set of spark plugs, and the still don't fit, Im thinking they are a very old year heads. the only markings on them are two sets of stamps. as follows

0J4 and 0H21. please help

byronpen

with out taking them off

AdderMk2

you need to look on the under side of the head, over the lifter valley.

or just take some really detailed pics

projectresto83

What plugs have you tried???

mjr46

post pics of the heads

byronpen

[IMG]<a href="http://s803.photobucket.com/albums/yy317/Byron_McClure/?action=view&current=2010-08-21172451.jpg" target="_blank"><img src="http://i803.photobucket.com/albums/yy317/Byron_McClure/2010-08-21172451.jpg" border="0" alt="Photobucket"></a>[/IMG]

[IMG]<a href="http://s803.photobucket.com/albums/yy317/Byron_McClure/?action=view&current=2010-08-21172501.jpg" target="_blank"><img src="http://i803.photobucket.com/albums/yy317/Byron_McClure/2010-08-21172501.jpg" border="0" alt="Photobucket"></a>[/IMG]

mjr46

those are pedastal mount heads and thus require an autolite 25 plug, look like an e7 style head

byronpen

I have the autolite 25 spark plug, the threads on the plug don't reach the threads on the head, the with of the bottom of the plug right above the threads is to big

byronpen

[IMG][IMG]<a href="http://s803.photobucket.com/albums/yy317/Byron_McClure/?action=view&current=2010-08-21172451.jpg" target="_blank"><img src="http://i803.photobucket.com/albums/yy317/Byron_McClure/2010-08-21172451.jpg" border="0" alt="Photobucket"></a>[/IMG][/IMG]

projectresto83