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Routing differences...
Pat, et al.,
Just a note that the routing of the induction tubing from the compressor is different after S/N P337-0225, i.e., it routes more near the forward part of the engine near Cyl 1 & 3... at least on ours, which is a 1977 model. Of course the other difference being the plumbing is different between the Riley intercooler and the American Aviation intercoolers.
Always a good idea to check the band clamps and interconnecting hoses for security in the plumbing department though.
Another area of chafing to be concerned about for those who have the American Aviation intercoolers, is on the front engine induction hose that connects the intercooler to the engine's metal induction tube plumbing. These short hoses are about $60 bucks a pop and a hole will easily wear through the side where it passes through the side baffling hole on the PAX side above and between Cyl 1 & 3. Using some of that grommet style grabbing anti-chafe material, you can glue it on with some Plio-Bond and provide a cushion. Cessna used this stuff beneath the floorboards where wires and hydraulic tubing pass through the keel.
SkyKing
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