5 stars: Great app very informative.
4 stars: Very educational great for those who want to learn about or get into the field of mechanics or even if they just one to be able to fix it themselves lot of interesting facts about different types of engines in some areas it could use a few more pictures or diagrams but most of them are good on this subject
5 stars: Very informative would recommend if you are wanting to build a custom engine setup
5 stars: Very exellent,down 2 earth and detailed keep it up.
5 stars: This is a great app for the love to learn type
5 stars: It's awesome having so much in one app
4 stars: It's not too hard to learn the parts. Good explanation too.
5 stars: Educational and achievement centered program that maintains maintenance in a physical hands-on sense kinda. 90s Tech Ed. Era Throwback huh
4 stars: Good app. Use info with extra care
4 stars: This app very helpful to those who understands it.
5 stars: This app is helpful alot to all those mechanical engineers
5 stars: A lot of good information provided 👍 you know it will be a good one to have for a long time thank you thank you!!!
5 stars: Very informative and great work. keep it up
5 stars: It's a good app and its work perfectly
5 stars: I like learning a lot over here and it really helping
5 stars: Really awesome app it also thought ke some stuff i never knew
5 stars: Very good and informative
5 stars: It is very helpful
5 sta...