to do or not to do electric water pump
The CSI/R requires minor trimming of the water pump housing (no clearancing to the fan shroud needed) to clear the mounting ears.
Both are very minor basic modifications. I am using the CSR and am pleased with the results. An additional benefit of using an electric water pump is that it also allows for a double roller timing chain. Removal of the water pump drive also supposedly decreases stress on the front cam bearing (not proven, although it would make sense).
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J/K
