Originally posted by Arthur Dalton
This head design has minimal vave stem/quide side force [ cam-valve swipe] . They seem to have solved the common 103 guide problems with this far superior design and it is not unusual to see them still tight into the 200K figures.
The 104s have a very strong top end....along with some pretty good breath....
The problem was the Gasket, not the Head....
O.K. I'll buy that. Thanks Arthur. In fact, I think you explained that concept to me over dinner at your restaurant in Milford, NH.
2001 E430, Bourdeaux Red, Oyster interior.
1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".