pressurization help!!
Overhauled front engine, had combustion heater checked and was returned from C & D Associate's as not repairable--we re-installed --now we can get nowhere near Max differential at altitude, rechecked seals on heat ex changer, what are we missing????---work perfectly before we overhauled front engine---1973 Pressurized T337G??
A. any suggestions as to where to look---service manual not much help
B. Where is a good Skymaster shop -- we are located ion West Virginia??
Jim Bennon
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