Porting the hump in the Exh

[rikofwa@domain.elided (RIK D DESJARDIN)]

My 345 heads have the hump in the exh port but not the threaded holes for
the air injection.  Because of this I thought the hump was a water jacket
so when I did my porting I left it alone and just gasket matched the exh
port. 

Rik Des Jardin
PO box 304 Pomeroy, Wa 99347
rikofwa@domain.elided     Scout Site: http://users.pullman.com/rdesjard
The weekend Warrior: 77 Traveler,  The parts scouts 72 Scout II and 75
Scout II.  
Christmas is coming......................to get you!