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Engine safety. If you lose an accessory belt driven water pump, you're likely to keep driving, thinking the "oh, I just don't have an alternator" while you're busy cooking your engine beyond repair (normally with no temperature notification/change, if anything it'll read cold). When the water pump is on with the timing belt (or geared to crankshaft as is ...


5

I think the main reason for this is convenience. It's an easy place to run the water pump. If you ran it out to a fan belt, it would be in the way of the timing belt while doing it, or it would be a really awkward mess trying to work around it. The second reason is for compactness. With the water pump stuck out of the way, it physically makes the engine ...


2

Dobey has already told you why you shouldn't use an intercooler as a CC radiator. But let me add something more: a charge cooler does the same job as an intercooler. So instead of using a charge cooler fed by an intercooler, why not just use the intercooler to cool your air? It's what it was designed to do. If you're really worried about the air temperature, ...


2

No, you cannot use an air/air intercooler as a air/water heat exchanger. It's not necessarily that you will see any particular corrosion from filling an aluminum air/air intercooler with 50/50 antifreeze/distilled water mix, but that it will just be horribly inefficient. An air/air versus air/water system have different designs and materials. The diameters ...


2

Historically the water pump was at the front of the engine in close proximity to the vehicle radiator, when vehicles were mostly rear wheel drive. There is no real advantage with todays vehicles but they continue to be at the front of the engine. Using the timing belt to drive the water pump lends itself to compactness at the front end of the engine. Some ...



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