Hello all; I'm new to the forum and fairly new to ford diesels as well. \I'm working on a 88' 4x4 project truck and have the option of using a 6.9 or a 7.3. Already have a sidewinder turbo, intercooler, 5 speed tranny/4.10 gears. I have heard that the 6.9 has thicker cyl walls, thus making it...

Hello all; I'm new to the forum and fairly new to ford diesels as well. \I'm working on a project truck and have the option of using a 6.9 or a 7.3. Already have a sidewinder turbo and intercooler along with an 88' 5 speed tranny/4.10 rearend. I have heard that the 6.9 has thicker cyl...