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20
votes
3answers
1k views

Does a carburettor engine apply fuel at high speeds when the pedal is no longer depressed?

There's a question that is pretty similar to this one except the existing question satisfies EFI engines. EFI question Let's say I roll down a hill at a considerable speed I let go of the gas. Say ...
16
votes
8answers
2k views

Will having a radiator full of engine oil do damage to the motor?

I've got one question; I was looking over this car that I was going to buy and there was engine oil in the radiator. I asked the guys why it was in there and he said he didn't have enough coolant to ...
14
votes
6answers
3k views

Turbo equivalent on electric motors

Is there anything functionally equivalent to a turbo for electric motors? Obviously, I am not asking for something that reuses escape gases to force the entry of air, because there are no escape ...
10
votes
4answers
992 views

Can you run an engine without a radiator?

I've heard of people starting engines in a build without a Radiator hooked up, to see if it fires. If you have an old engine and want to see if it will run: Can it be started without a radiator? ...
6
votes
4answers
118 views

What to check for when purchasing a used and/or imported motor

I'm planning to perform a motor swap on a Z32 chassis (1990-1996) 300zx twin turbo. Low mileage japanese motors are plentiful and cost a bit less than motors sourced from US cars. The specs and ...
6
votes
2answers
62 views

Why should I back off all valve lash adjusters until valves are closed when changing a head gasket?

My Suzuki Swift 01 is leaking coolant. I'm trying to change the head gasket. I've gotten as far as taking the camshaft cover off. See this picture: I'm not sure what Step 11, "Back off all valve ...
6
votes
3answers
2k views

What do the numbers on motor oil specifications mean?

What do the numbers and letters in a motor oil specification mean? For example: 0w-30 5w-40 10w-20 Which values are better? Also, sometimes there are additional letters and numbers ...
6
votes
1answer
7k views

My 2005 Mazda 3 Front Passenger window motor receives signal to go down, but not up

If you look at the picture below you will see that I took the plastic panel off my door, and separated the motor from the regulator. After I disconnected the motor that I thought was bad, I connected ...
6
votes
2answers
1k views

Motorcycle dies while riding in cold

I have a 2008 Suzuki Intruder (VL250) that is really struggling to run in the cold weather. It stalls and dies, loses power while riding, and dies while waiting at the lights. When I warm it up, even ...
5
votes
3answers
95 views

MOT coverage for car issues

This is a very UK specific question. I was wondering what sort of tests and (if any) fixes are covered by MOT tests. I know that lots of auto shops do servicing that focus on the MOT aspects of things ...
5
votes
1answer
59 views

Motor blown after first oil change of the season after sitting all winter

My teenage son bought himself a D105 tractor several years ago. After the winter, he pushed it onto our driveway, and we completed an oil change and lube. Afterwards, he started up the tractor, drove ...
4
votes
1answer
1k views

Scooter break-in period - Actual scientific backing or urban legend?

I don't understand the break-in periods needed for scooters/motorcycles. I know everyone says it, but I haven't found any explanation with some scientific backing to not making it an urban legend. ...
4
votes
2answers
197 views

If I were to convert a gas powered automobile to an electric car, would a difference in specs possibly damage the car?

I would like to convert a Mazda Miata into an electric car, I plan to remove the engine and the gearbox, and have the car be a direct drive. The motor I intend to use has twice the torque of a ...
4
votes
0answers
155 views

My BMW X5 won't stay running

Hello I have a 2003 BMW X5. I just got the engine replace a couple days ago. I went to pick it up but because the shop was done installing the motor but now I have to deal with the other problems I ...
3
votes
2answers
175 views

John Deere LX 266 lawn tractor engine dies

I have a John Deere LX 277 lawn tractor that has developed an engine problem that has my mechanic and me stumped. The motor in question is a Kawasaki FH500V (electric starter). While the engine is ...
3
votes
2answers
5k views

My car wasn not accelerating and finally come to stop

I have chevy lumina 1991. The motor is very clean and looks like and used to work like a brand new car. However, these days since I was getting broke , I had to wait till my gas meter is very low and ...
3
votes
1answer
36 views

Gap a spark plug for another motor. How to be sure the correct gap for another model year motor?

I have a 1993 C1500 with 4.3L that has a motor (also a 4.3L) from another truck installed. The truck is originally a 1993, but I'm not exactly sure what year the "new" motor is - it was pulled from a ...
3
votes
0answers
60 views

What car would I need to buy (secondhand) to replace my currently wrecked BMW 318i motor? [closed]

Okay so I currently have a BMW e46 (318i) and i took it to my mechanic, motors wrecked etc etc. He suggested a cheaper alternative to fixing the motor would be to buy a whole new car (max 5k, second ...
3
votes
0answers
111 views

Tachometer On My Car Is Doing The Opposite At Warm up

The car is Ford Focus 2002 model. Ztec engine. 1.6V I'll go straight to the point. The problem started when I got my car engine washed (with water). I changed the coil, and plugs. It started running ...
2
votes
2answers
120 views

Bushing in a motor? [closed]

Can someone please explain to me what the purpose of bushing is in a motor and what would happen if it was not present?
2
votes
1answer
6k views

Is it possible to have a manual transmission electric car?

Reading about the new supercar from VW, I distinctly noticed when the author specifically mentioned shifting to "drive". I know the car in article is an automatic, but it got me thinking. Is it ...
2
votes
2answers
940 views

Car jerking at certain engine RPM

I drive a 1996 model Volvo 440 GL(manual gear box). When the engine RPM reaches around 2000 - 3000 range, car starts jerking. It feels like the car needs to go faster but something is not allowing. ...
2
votes
2answers
5k views

Does timing jump cause engine replacement?

Does timing jump cause engine replacement? =========================================== My TOYOTA Camry 1999 was driving OK. I do check under the hood on and off, I did not do that check for awhile. ...
2
votes
1answer
1k views

What is the purpose of a smog block-off plate?

What exactly is the purpose of a smog block-off plate? What does it 'block-off'? How is it installed? And what are the benefits/detriments of installing such plates? In my particular case, I ask, ...
0
votes
1answer
557 views

Replacing power window motor in a 2003 Corolla

What should it cost (parts and labor) to replace a power window motor in a 2003 Toyota Corolla? What should I consider when deciding between factory vs. used vs. aftermarket?
0
votes
2answers
140 views

timing belt 96 honda accord vtec

So the other day I was driving and my timing belt broke I tried to turn the key a few times then tore off the valve cover and noticed that the timing belt was broken people have told me the engine ...
-1
votes
2answers
1k views

Why are American cars less efficient compared to european European/Japan cars [closed]

A normal average European car has a engine with less than a 2.0 liter engine which consumes 1 litre of fuel in 18-22 km. A normal average American car has a engine at least a 2.5 liter engine and ...