- West Bend
I'm taking much of this info from my build thread. I'll try to clean it up and also add to it as much as possible. I started a pretty nasty rod knock on my 258 back in 2016 right after Sandblast so I needed to make so decisions. I actually had an extra 258 I could have used. It had about 76,000 miles on it. It would have had to be gone through because it was sitting for a VERY long time. I could have gone this route, it would actually make a lot of sense. But I needed more power! So this gave me a good excuse to swap in a chevy 5.3L. I will have a good 100 more horsepower and still should get similar gas mileage. My 04 suburban routinely gets in the neighborhood of 18 mpg. I see no reason my jeep shouldn't get at least that. I bought a 5 3L with 75,000 on it from a local yard. I got the complete motor with the accessories, harness, and starter for $500.