I had a clean 87 fullsize blazer that was black with burgandy int. fuel inj. 5.0 and when it started smoking i bought a wrecked 86 silverado with a 6.2 and switched it all over on my holiday's. drove the truck for about 3 yrs. and sold it for a 98 ext. cab 3/4 ton, sold the 98 and bought a 93 long box 3/4 ton 4X4 and love it, but now in the market for a 6.5 burb.