Well, I took my own advice and put a spare 14" Vanagon wheel on the front bumper. A quick check showed about 260 square inches of grill area feeding the radiator. The wheel blocked about 220. ~85% blocked. As I said earlier, you would have to move the spare out away from the grill and the fan would be running a lot even then. Mark Mark Drillock wrote: > > Well said, Frank, and the excess capacity of the radiator and fan system > has been proven many times by engine conversions, several in my > driveway. My I5 runs cooler under heavy load than the waterboxer under > normal load due to the more efficient water pump of the I5. The issue > comes down to how much the spare and cover will interfere and what the > result will be with a waterboxer and it's water pump. > > Set a wheel on the front bumper of Vanagon and see how little of the > grill remains unblocked. > > Mark > > Frank Grunthaner wrote: > > > > I have been following this thread with some amusement. In many of these > > discussions it is assumed that the Vanagon cooling system is a weak link. > > >From an engineering perspective, this is simply not true. Stuart is dead on! > > .............. |
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