Yes, I Know what everyone thinks of the GM 2.8V6. I currently have 7 Cherokees, two 84z, one with the AMC 2.5 at and the other with the GM2.8V6 at 255,338 miles, a 297,821 mile 87 with a 1st year 4.0(and a Factory Dana 44 rear), a 96 with 250,586 miles on her 4.0 that is as powerful and smooth as the day she left the plant, a 2 wheel drive 99 whose 4.0 developed a tick at 134,??? miles back in 2007 the night I bought her that turned out to be #2 wrist pin egging out #2 piston(Now All Good and ReBUILT) a 2000 with 213,??? miles that had a severley cracked 0331 head that just destroyed the cam bearings, but that ran otherwise fine(until tore her down last summer, currently being ReBUILT) and my Beloved 2001 SilverStone Metallic Cherokee Sport with 64,820 miles currently that drives like New. I am a Fan of the UnderDog, see, thats why I stickup for my 84 with her Tough, lil GM2.8V6. I drive Her daily, and She keeps coming back for more. Its a "Interest in Science" as Tom says on CarTalk, about doing the same thing, not changing the oil or oil filter in his 86 Dodge Colt Vista. See what it can take.