As I have read through the many posts on this "top speed" topic, it seems more and more like I should be on the lookout for a donor vehicle that might make an easy engine and transmission swap. Ideally, I guess an axle swap might also be in order if the 5.83 diffs don't hold up at higher r...

I'm struggling with what I want this truck to be. I know the first step with a project like this is to have a plan for what you want to do with it. I don't want to start buying anything without first assessing what I have, so I fully intend to bring it home and start cleaning it up and inspecting ev...

Thanks for the advise, and I’m really looking forward to digging in to the truck.
Regarding whether the motor has the waterproof oil fill tube and dipstick - it looks like it does to me. Here’s a pic

I’m beginning a project my dad and bought about 30 years ago. It’s an M37 with a seized engine and needing some serious love. When we couldn’t get it turning back when we bought it, life happened and it sat untouched for 3 decades. Now I’m ready to bring life back to it and I’m preparing to bring it...