Steel Soldiers now has a few new forums, read more about it at: New Munitions Forums!
Microsoft MSN, Live, Hotmail, Outlook email users may not be receiving emails. We are working to resolve this issue. Please add support@steelsoldiers.com to your trusted contacts.
Not sure on the 4BT but on other motors, Perkins, Heracles, etc. the injector pump and injectors have to be changed for it to have RPM's for the road.
Make sure you use an overdrive trans or your top speed will ba about 50mph.