Hi,
Have you looked at
www.brickboard.com to start? That's a great discussion board - but not as busy as the diesel place here.
What about Randy Steele at
www.epsparts.com ? As in "European" parts specialists. Certainly he is wonderful for Mercedes, he knows his stuff, and always sends you the extra washers, screws, etc for a complete install.
He might do Volvo as well. Worth a try.
I have heard about
www.swedespeed.com but have not visited there.
The 965 sedan and wagon are seriously handsome vehicles. Actually a 960 sedan was on the possible list when the five year old at the time SEC wooed me, I couldn't find a reason to say no to it.
If your toy was kept in BH then be sure it likely had the best care possible, not like in Berkeley where it would be used as a nursery or kennel.
A good independent mechanic, will help too, if you can find one. If you were in the SF bay area, I could help. I would think your car would be very popular with the Scandanavians, living in an area with such an extreme winter (Wisc., Minn, Mich.)
Good luck. Never figured what makes owners of Volvo different, but most of them seem to have a VERY high level of education, it seems. FWIW
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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)