Car engine
From Cantr II Wiki
The car engine must be built in many land vehicles to make them work. There are two types of car engine. Two entries appear in the manufacturing menu; they are often called car engine A and car engine B. They can be built in the same vehicles and have the same effect; it was originally planned that engine B give extra speed to the vehicle, but this has since been scrapped. Therefore, engine B merely costs more, but for no reason. It would be in your best interest to use car engine A.
Car engine A
Days needed: 5
Raw materials needed:
Tools needed: screwdriver, pincers
Build/Repair Skill: none
Car engine B
Days needed: 7
Raw materials needed:
Tools needed: screwdriver, pincers
Build/Repair Skill: none