Datsun 1600 Parts from Rallye Enterprises, Ltd. |
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Fan holes are 1 9/16 apart, center to center, when measured along the "sides" of the flange (not measured diagonally over the center). You can also measure the "right side" of one hole to the "right side" of the next hole if that is easier then trying to see the "center" of the holes. If you have the pulley off, the bolt pattern is easier to measure than using the pump. Flange height (distance from backside of rear plate to flange surface that pulley rides on is 4 1/16 inches. It takes a double groove pulley which also runs the air emission pump (if still equipped). This water pump is designed to be used with the fan spacer 210-06 and either the USA 7 blade plastic fan or the non-USA 4-blade plastic fan also listed and pictured on COOLING page. The 68-70 USA cars also had a one inch spacer mounted directly behind this water pump. Originally the cars came with a clutch fan that was declared unfit for duty. The 210-06 block replaces it. If you have one you are removing, the allen bolt in the end of it is left-handed thread so you turn it to the RIGHT to loosen it. After 35+ years your car could have almost anything cobbled up to work on it. This is the only correct part for a USA 68-70 1600. (Or at least these specifications...) There are lots of different pumps as this engine was used in other cars with other water pumps. Using the older style pumps present problems as the radiator (and its location), fan shroud, fan, pulley, alternator, alternator brackets, alternator location, and crank pulley were different as well. Sometimes engines get swapped by unknowing mechanics that don't know (or don't have access to) all the auxiliary parts. The changeover to the 68 -70 parts happened at approximately engine #R 58000. |
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