I have not posted details on the cooling hookup, nor the throttle cable installation, because I got tired of cleaning my camera after taking it under the van. The cooling installation was fairly straightforward. As I mentioned, the 1990 GL vanagon (ours) came standard with a rear heater, which was already plumbed into the hoses that run forward to the main (front) heater core. So, hooking up the Bostig configuration was not difficult, other than the fact that the T connections for the heater hoses face in different directions, and require a somewhat longer hose to allow a non-kinking connection. That may be an advantage when it comes to emptying the cooling system, which will come immediately after the initial run. One thing that bears repeating: the original water cooling layout for the boxer engine was a surreal assemblage of hoses, pipes, and connectors, and I almost wanted to re-assemble it and hang it from the garage ceiling, like a fossil skeleton, so I could sneer at it from time to time.
The throttle cable turned out to be somewhat complicated. I tried at least three different cable routings, and kept coming up an inch or two short of the length I needed to get to the front bracket. At one point, I measured the new cable against the old, and they were identical lengths. So, back under the van, and I finally got a reasonably good path and got it attached and fastened down. One of those half-hour jobs that ended up taking almost three hours.
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