Poly Eng Knowledge Needed
Great engines. Just intake and exhaust up-grades make the world of difference.
Early 60's poly's give you 9 to 1 compression and full floating piston pins like the 340. Head exhaust ports are spaced like the Hemi. Some say that is better than the exhaust ports that are next to each other.Just a few photos
Great engines. Just intake and exhaust up-grades make the world of difference.
Early 60's poly's give you 9 to 1 compression and full floating piston pins like the 340. Head exhaust ports are spaced like the Hemi. Some say that is better than the exhaust ports that are next to each other.Just a few photos
