hartsnet Member Joined Jun 13, 2014 Messages 16 Reaction score 4 Location Washington Sunday at 7:56 AM #26 I used the stock cast iron manifolds on my "68" 426 Hemi in my 67 Formula S Cuda. Did the engine conversion in the early 1980's and so far every thing is still working fine. The only downside is they are pretty heavy.
I used the stock cast iron manifolds on my "68" 426 Hemi in my 67 Formula S Cuda. Did the engine conversion in the early 1980's and so far every thing is still working fine. The only downside is they are pretty heavy.