I'd be worried about the 350 GM Diesel engine yo have in your wagon, Nick. They had intrinsic design flaws in them.

I can't remember the technical details, but they were basically the gas engine modified to run on Diesel fuel - and there wer problems with them.

Maybe you got lucky with yours. Safer to have had the 350 gasser or the 400, 401 or 455 in them, IMO

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1991 560 SEC AMG, 199k <---- 300 hp 10:1 ECE euro HV ...

1995 E 420, 170k "The Red Plum" (sold)

2015 BMW 535i xdrive awd Stage 1 DINAN, 6k, <----364 hp

1967 Mercury Cougar, 49k

2013 Jaguar XF, 20k <----340 hp Supercharged, All Wheel Drive (sold)