Search results for query: *

The best thing that anyone could do would be to send one of these exhaust manifolds directly to Doug Dutra. He is, after all, the absolute guru of the slant six. He will test it and document the actual results and give you an honest, non-biased opinion. (even if he does manufacture his own...

You would be surprised what you can do with those engines. My Dad had a 36 Plymouth with a flat head six... blew it up at 13,000 rpms... kept the frozen tach as a memory. He did that back in the 1940's... said that his car was "One fast S.O.B." I never did believe his story until 2 years...