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Smiley wrote:Speedway sells these for old street rods like the 32 Ford with a small block Chevy motor, it raises the water pump pulley 5" to allow a larger mechanical fan to be centered in those tall radiators. It takes an L6 Chevy water pump and uses stock short small block V8 pulleys. L6 pumps can be had in aluminum or cast iron, aluminum being the HD version with the price almost double the cast iron pumps.
on an H-body for those wanting to use larger dual electric puller fans without moving the radiator into the core support it raises the pulley and shaft up into the "valley" between twin electric puller fans.
also using a "short shaft conversion L6 chevy pump" moves the pulley flange another 1" towards the engine, and then use a shallower pulley
http://www.ebay.com/itm/Chevrolet-235-261-water-pump-1955-1962-Short-shaft-conversion-kit-Chevy-GM-IL6-/271686880417?pt=Vintage_Car_Truck_Parts_Accessories&hash=item3f41cccca1&vxp=mtr
quick mock up with 21" core rad, two 10 1/4" plates and pump pulley 5" above where the fan is normally.
2003 Neon dual fan assy $85 shipped new on ebay
It also has an alternator mount provision close to the Monza location. It is a little pricey at $250 + the L6 pump.
I have not tried it yet, but I have returned things to Speedway in the past without hassles.
More pics http://www.jalopyjournal.com/forum/threads/tech-cooling-a-sbc-with-a-mechanical-fan.168231/
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