been racing 12ports wayne i still have inject front pump and 12 port block 14;1 com eng made over 400hp in 1962 not this eng but one like it ran at vaca valley 140 at 10:92 in a 37 chev coupe anyway i have block 261chev ready for your head in it is winning pro cam from howards cant buy this cam would consider sale of short block with front hilborn pump inj and 4 pills don george ee nasa ames ca