I think they used to pop rivet a disk on.
It looked at pics, and the HESSCO has curved vanes, the Flow Cooler straight vanes with a discs on top. I don't think the HESSCO and the Flow Cooler are the same. I don't mind paying the extra money to do this right the first time, but if the Hesco doesn't actually cool any better I'd rather put the money towards other upgrades. Is it worth the extra money? I'm in Georgia and it gets retarded hot and humid here during the summer. I've used the flowkooler on my 91 Cherokee and was happy with it, but have no experience with the Hesco one. Which water pump do you prefer original ($40), flowkooler ($80) or Hesco ($170)? The original pump seems to do ok in moderate climates, but it's been kind of dicy on hot GA days in my Jeeps. I'm sure it still has the original water pump and is due for a replacement.
#HIGH FLOW WATER PUMP VS STOCK UPGRADE#
Lol While I'm changing out parts I figured I may as well upgrade and do some preventive maintenance converting to an open style, replacing mechanical fan with electric fans, changing heater hoses to the newer 97+ style and getting rid of the RENIX tank and heater valve assembly. I was fully expecting to have to replace the radiator and heater core at some point. I did a cooling system flush and blew out all sorts of chunky brown stuff. When I first bought the truck the heater never worked very well. Once installation / reassembly was complete it was time to add the proper ratio of water/coolant and then fire-up the engine to check for leaks and cooling results.As it's begining to heat up in Georgia my 1988 Comanche 4.0 is starting to show over heating issues. With this step complete, it was a simple installation for the FlowKooler pump and all related components (pulley, fan, fan belts) as well as the new Robertshaw thermostat. The only additional step required for our installation was the swapping of a heater hose outlet from the stock pump to the FlowKooler water pump. Water pump and thermostat installation – This is one of those projects where installation is truly the reverse of the water pump and thermostat removal.
With the stock water pump removed, it is time to thoroughly cleaned the gasket surfaces and prep for installation of the new FlowKooler hi flow water pump. As with each of the other updates made on this project vehicle, we allowed plenty of time for the WD-40 to penetrate the water pump and thermostat housing bolts. Thermostat replacement requires only the removal of the thermostat housing. Typical installations will only require the removal of the fan belts, engine fan (if so equipped), water pump pulley and the actual water pump.
#HIGH FLOW WATER PUMP VS STOCK UPDATE#
For the purposes of this installation, and to ease the documentation of the install, we performed the water pump and thermostat update with the radiator and radiator support removed from the vehicle. Removing the old water pump and thermostat – The Small Block Chevy engine installed in the Project Over Easy Scrambler provides a straight-forward platform for the water pump and thermostat swap. Wrenches, sockets, ratchet, screwdrivers, gasket scraper, catch-pan, wire brush for drill, paper-towels / rags. Installation - Flowkooler Waterpump and Robertshaw Thermostat
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