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Elated Technician
Elated Technician, ASE Advanced Master Technician
Category: Car
Satisfied Customers: 486
Experience:  16 yrs exp, Auto/Diesel Associates degree, ASE Master w/ Advanced cert, Saab Master and BMW level 4
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It be to change a car engine for a motorcycle engine

Customer Question

How difficult would it be to change a car engine for a motorcycle engine? Would there be any foreseeable problems if it was done? Approx how much should it cost to make it happen? Is it possible to do it to a truck or a van? The car should be able to go approx 70 mph, no more. How difficult would this be to start making cars with motorcycle engines. Do you know of anyone who would want to start doing this? angel
Submitted: 9 years ago.
Category: Car
Expert:  Elated Technician replied 9 years ago.

Hello Angel,

Motorcycle engines are designed from the ground up for moving about 1,000 lbs weight passenger and vehicle. If you add more weight and create more drag, like that of a car or truck, the fuel economy will drop as well as create a lot more engine wear. By installing a motorcycle engine into a car you would only be causing a lot of strain on the engine and the fuel economy would drop considerably. The power would be quite poor when you calculate the power to weight ratio in contrast to that of a regular car.

Personally I think you would put a lot of work into a slow car that would wear out fast and would probably not have that great of fuel economy.