1972c10_ohio is right about messing with the heads. Car Craft was going to have a port done on them and there machine shop showed them flow charts that proverds only light clean up is all they need. Same with the valves.
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'69 G.M.C. 350/350. Trying to clean up the left over damage from the
Dope-Smokin-Old-Man
I've been dubbed the Longhorn
Freak/Fanatic/Expert, I just hope I can live up to it.
FINALLY got the
HORNIAC...a '70
one ton Longhorn with a
Pontiac 350/350 and lots of
'personality'. Check out
The Longhorn Webite.
If you need a pic posted, E-mail me at
longhornmail@yahoo.com
Andy, in Columbus Ohio