PDF associated:
/PT 30-0006.pdf
DSA8122 PT30 0006 rev2 Identifying Distributors On Ford 351 Engines Ford vehicles with Windsor Cleveland 351 5 8L cubic inch engines Interchanging or installing parts for the wrong engine Lack of information on Ford 351 engine differences Engine Differences The most obvious external difference is the engine valve covers The 351W Windsor valve covers are attached with 6 bolts straight front to rear and narrow in width similar to the 302 c i engine The 351C Cleveland valve covers are attached with 8 bolts flat with 2 different planes and wider in width The 351W engine has a radiator hose that attaches to the intake manifold while the 351C attaches to the engine block See Graphic 1 on next page The 351W takes a 5 8 thread spark plug and the 351C takes a 14mm thread plug See Graphic 2 on next page Distributor differences The 351W has a smaller 1 245 diameter distributor gear and the 351C has a larger 1 418 diameter distributor gear Each engine has a 5 16 oil drive at the bottom of the shaft and a 1 557 diameter housing measuring directly above or below the O ring area The Ford 302 c i engine has a oil drive on the shaft a small 1 245 diameter gear and a smaller 1 550 diameter housing Application Problem Solution Note Cause DSA8122 PT30 0006 rev2 Windsor 351 V 8 Engine 1 Valve cover is held in place by 6 bolts 2 Radiator hose connects to water neck on the front of the intake manifold The 351 Cleveland s radiator hose attaches to the radiator and connects directly into the front of the engine block It makes a 90 bend from the radiator to the engine block Cleveland 351 V 8 Engine 1 Valve cover is held in place by 8 bolts 2 Radiator hose is a 90 hose that connects directly to the top front of the engine block How To Determine Your Engine Type351 Windsor 351 Cleveland 30 2895 351 Windsor 1 25 cast iron gear 30 2893 351 Cleveland 1 41 cast iron gear 1 25 1 41 Graphic 1 Graphic 2
