Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread

[72MARIO]

Originally Posted by Fraud

I know this is an old post but I'm curious if this is still the case - the installation instructions do still say that a high hump is needed for a 4l80... Am I right in thinking that it probably does fit, but with tolerances too tight to officially guarantee for a user installed part?

My 4l80 fit in a low hump. I just didn't get there planned engine angle. I think if I remember right my engine sits at 4.5 relative to the frame. So I just matched my pinion angle and got a shaft slope of 3 degrees and equal operating angles of 1.5.