It's been a long time since I looked at the stock Hotknife and thought I'd like to see it stock. And so I acquired the necessary skill, and made a stock Hotknife and named it Henry.
The LOD, collision, shadow were reworked, the interior was re-textured, a new in-line engine was inserted.
When replaced with BF Injection, the suspension will work. But it is better to replace it with something like Walton.