with these stroker engines were sold under the banner of, and only available from dealers under the FTE banner (Ford Tickford Experience). They were produced in conjunction with long standing performance partner Tickford. They produced at 5,250 rpm and at 4,250 rpm. The 5.6 litres of displacement were reached by lengthening the stroke from to . Truck 302 The Truck Division instigated a pushrod-operated four-valve-per-cylinder, cylinder head conversion in the early 1990s as a means of modernizing/improving and furthering the service life of the Windsor engine. This work was done for Ford by Roush Industries (for US$1 million) and two 302ci/5.0L and one 351ci/5.8 L variants were built and tested. These engines were highly successful, but upper management refused to allow engines so equipped to go into production, stating that to use a cast iron block in a new car (though the 302 remained an engine option in Explorers through MY2001) was no longer acceptable. One of the 5.0 L engines is in use in a hot rod. Various aftermarket manufacturers have also produced four-valve heads for the 302, notably Dominion Performance and Arao Engineering. Marine 302 The 302 was marinized and offered in both standard and reverse-rotation setups. 351W The 351W (Windsor) is often confused with the 351 Cleveland, which is a different engine of identical displacement. The Windsor featured a 1.3 in (32.5 mm) taller deck height than the 302, allowing a stroke of 3.5 in (88.9 mm). Although very much related in general configuration to the 289-302 and sharing the same bell housing, motor mounts, and other small parts, the 351W had a unique, tall-deck block, larger main bearing caps, thicker, longer connecting rods, and a distinct firing order (1-3-7-2-6-5-4-8 versus the usual 1-5-4-2-6-3-7-8, a means to move the unacceptable 'noise' of the consecutive firing adjacent front cylinders to the more rigid rear part of the engine block all while reducing excessive main bearing load), adding some 25 lb (11 kg) to the engine's dry weight. The distributor is slightly different, so as to accommodate a larger oil pump shaft and larger oil pump. Some years had threaded dipstick tubes. It had a unique head which optimized torque over high-rpm breathing, frequently replaced by enthusiasts with aftermarket heads providing better performance. The early 1969 and 1970 heads had larger valves and ports for better performance. The head castings and valve head sizes from 1969 to 1976 were