Life Expectancy for 3.9L
Anyone out there have any experience with how long the 3.9 L V8 lasts? Mine is well taken care of (I change the oil every 3000, perform regular tune ups, and put in 91 octane or higher as the manual instructs). I have about 125,000 miles on it now and it seems to run very well; even upon start-up on 10 deg F days! I don't rev it hard since let's face it, a D90 was not meant for speed anyways. Anyone think I can get 200,000 miles out of her? What about rebuilding? I don't believe it's been rebuilt yet (although I don't know a whole lot on it's history).
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Drewfuss
'63 Series IIa: parabolic spring packs, 33x9.50 mud tires, Kodiak Heater, Fairey OD (SOLD)
'95 Jeep YJ: 8"lift (SOA), 35x12.50BFG Muds, Ford 8.8 rear w/detriot & disc brakes, 4.88 gears, warn8000i, daylighters......
'99 Jeep XJ: 3" Skyjacker, 31x10.50 MTR (SOLD)
'95 NAS D90 Wagon, front skid plate, brushguard, Hellas, 285/75 R16 Dunlop Mud Rovers, custom guages & dash
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