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25 votes

4 answers

107k views

Why do cars die after removing jumper cables?

asked Nov 8, 2016 at 4:06

18 votes

3 answers

18k views

Is it true that most of the engine wear during its life time occurs during a cold start up?

asked Oct 12, 2016 at 16:41

17 votes

2 answers

32k views

What mechanical revolution is measured in "RPM"?

asked Mar 4, 2016 at 20:56

11 votes

2 answers

13k views

Do naturally aspirated engines need back pressure in the exhaust pipes?

asked Mar 22, 2016 at 15:27

11 votes

3 answers

8k views

What's the purpose of having the cat right after the exhaust manifold

asked Feb 1, 2017 at 17:11

8 votes

3 answers

34k views

How do I properly break in an engine after a rebuild

asked Jun 11, 2016 at 4:18

7 votes

2 answers

3k views

Why is it almost impossible to put the car in first gear at high speeds?

asked Oct 23, 2016 at 1:29

7 votes

2 answers

4k views

Rough idle problems on 93 Miata

asked Nov 18, 2016 at 17:46

6 votes

2 answers

5k views

Can "performance" fuel filters actually increase fuel flow?

asked Jan 27, 2017 at 21:39

6 votes

1 answer

2k views

Can the viscosity of the oil affect gas mileage?

asked Sep 20, 2016 at 21:31

5 votes

1 answer

1k views

Do 3 and 5 cylinder engines have uneven power delivery?

asked Oct 29, 2016 at 7:53

5 votes

1 answer

4k views

Engine consuming oil and white smoke comes out when starting the engine while cold

asked Jan 13, 2016 at 23:47

5 votes

2 answers

10k views

Will bigger rims raise my car height

asked Apr 26, 2016 at 2:37

4 votes

2 answers

5k views

Tried to shift but failed at very high rpm how much damage did I cause

asked Feb 11, 2016 at 2:59

4 votes

3 answers

5k views

How can a car be tuned for low/mid/high end torque?

asked Nov 1, 2016 at 18:48

4 votes

1 answer

6k views

Engine's RPM drops right after start and after letting off the gas

asked Sep 21, 2016 at 3:44

4 votes

2 answers

11k views

Why is there no 1-4-2-3 Firing order?

asked Feb 7, 2017 at 23:52

4 votes

1 answer

4k views

Did I toast my caliper?

asked Mar 22, 2017 at 19:49

4 votes

1 answer

2k views

Different tread depths on 2wd?

asked Mar 23, 2017 at 19:16

4 votes

1 answer

2k views

How safe is it to advance spark timing?

asked Mar 30, 2017 at 23:18

4 votes

2 answers

7k views

Tachometer reading fluctuates at constant engine load/speed

asked Nov 20, 2016 at 17:55

4 votes

2 answers

36k views

What is piston slap?

asked Dec 7, 2016 at 3:35

4 votes

3 answers

2k views

Should I keep the engine running for a minute or two after reaching my destination to cool down?

asked Oct 5, 2016 at 4:51

4 votes

1 answer

3k views

Does water around a gasket imply an exhaust leak

asked Jan 18, 2017 at 6:27

4 votes

0 answers

85 views

Is there any advantages of the mounting side (left or right) of the motor in a FWD vehicle?

asked Mar 12, 2017 at 4:02

3 votes

3 answers

4k views

How is vehicle speed calculated?

asked Apr 23, 2017 at 16:07

3 votes

2 answers

24k views

Exhaust leak despite tightening the flange all the way

asked May 3, 2018 at 0:49

3 votes

1 answer

365 views

Could this be the source of an exhaust leak

asked Jan 15, 2017 at 22:04

3 votes

2 answers

3k views

Exhaust Manifold Nuts won't screw in all the way

asked Feb 5, 2017 at 19:26

3 votes

1 answer

216 views

How much damage did I do to my engine running for 20 minutes on only a quart of oil?

asked Sep 18, 2016 at 1:32

Stack Exchange Network

57 Questions

Why do cars die after removing jumper cables?

Is it true that most of the engine wear during its life time occurs during a cold start up?

What mechanical revolution is measured in "RPM"?

Do naturally aspirated engines need back pressure in the exhaust pipes?

What's the purpose of having the cat right after the exhaust manifold

How do I properly break in an engine after a rebuild

Why is it almost impossible to put the car in first gear at high speeds?

Rough idle problems on 93 Miata

Can "performance" fuel filters actually increase fuel flow?

Can the viscosity of the oil affect gas mileage?

Do 3 and 5 cylinder engines have uneven power delivery?

Engine consuming oil and white smoke comes out when starting the engine while cold

Will bigger rims raise my car height

Tried to shift but failed at very high rpm how much damage did I cause

How can a car be tuned for low/mid/high end torque?

Engine's RPM drops right after start and after letting off the gas

Why is there no 1-4-2-3 Firing order?

Did I toast my caliper?

Different tread depths on 2wd?

How safe is it to advance spark timing?

Tachometer reading fluctuates at constant engine load/speed

What is piston slap?

Should I keep the engine running for a minute or two after reaching my destination to cool down?

Does water around a gasket imply an exhaust leak

Is there any advantages of the mounting side (left or right) of the motor in a FWD vehicle?

How is vehicle speed calculated?

Exhaust leak despite tightening the flange all the way

Could this be the source of an exhaust leak

Exhaust Manifold Nuts won't screw in all the way

How much damage did I do to my engine running for 20 minutes on only a quart of oil?