0
For a conventional gasoline engine, the higher the compression ratio, the more efficient the engine. US passenger cars have not had very high compression ratios for about 30 years for multiple reasons. During 1970-1972, Chrysler had the highest compression ratios in US production cars, requiring the highest octane gasoline to operate properly.
Still curious? Ask our experts.
Chat with our AI personalities
EzraFaith is not about having all the answers, but learning to ask the right questions.
Chat with Ezra
BlakeAs your older brother, I've been where you are—maybe not exactly, but close enough.
Chat with Blake
ReneChange my mind. I dare you.
Chat with ReneAdd your answer:
Earn +20 ptsQ: Which engine is more efficient in terms of compression ratio?
Write your answer...
Submit
Still have questions?
Trending Questions
Where is a good used car dealership?
If parked in a hotel leased parking garage while staying at the hotel who is responsible for the insurance deductibles if the car gets broken into smashed window and all contents was stolen?
Where can one purchase decals stickers?
How does being a landlord affect home insurance?
If one of your tires blows out should you apply your breaks immediately?
Who Owns AARon rents?
What is the difference between specialty auto insurance and standard auto insurance?
How does the solar car stop?
What is the proper procedure to change the Allison lct 1000 internal filter?
How does property damage insurance work?
What insurance coverage includes bodily injury and property damage coverage?
Does the GMC Arcadia take regular or premium gas?
If you were making a left hand turn and collided with a driver who was bypassing illegally and your insurance found her at fault but her insurance has denied liability as well. Who is at fault?
What year did Cadillac put push to start in their cars?
Where can one find out more information about the new Mini?
To what extent do custom wheels add value to a vehicle?
Who is Acadia Mae Colan?
What is the inside of a car called?
Can a cosigner pay off the car and become the primary owner of the vehicle if the pay off is over 50 of the loan amount on the car hence removing the other individual from any rights to the car?
Which gutter cleaners would you use?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.