Q:in engines otto cycle

Larger valves allow for more volume of fuel/air mixture to be introduced into the combustion chamber. They give an engine more horsepower but can compromise efficiency in the long run. I would rather have smaller intake valves and larger exhaust valves. The advantage to that is better flow of the exhaust. 40 percent of an engines total horsepower and torque comes from exhaust flow. If a person wants more fuel in the chamber all they have to do is change the camshaft to one that has a longer open duration. This will let the desired amount of fuel/air in where you need it.

Q:when riding my motorcycle valves start knocking i took to a mechanic and they did not resolve problem. i have baby ed my motorcycle. dint know what to do at this point and time.

A lot of times you will not hear a valve problem, They tend to tighten up with age not loosen. On sign of a valve out of adjustment is if bike is hard to start when cold. knocking could be loose timing chain, timing chain tension-er needs attention.,Could also be worn drive chain. It will make a popping sound when its stretched out. Some front brake calipers will make a knocking sound, its the pads rattling around between calipers and rotors.

Q:My Dr placed me in the care of a cardiologist who ran some test and an echo scan reports i have a leaking valve but she failed to tell me which one and i failed to even think to ask. What are the results of leaking heart valves? I asked my mother and she says each one has a different result. What are they? Any help would be great. thanks.

i exchange into an open coronary heart RN. we frequently operated on people for the 2nd time, often desiring valve replacements. an consumer-friendly hassle after a 2nd time around open coronary heart surgical treatment is bleeding. the 1st 12 hours is extreme. countless those victims pull by using and do only extreme high quality. stable fulfillment with your Dad.

Q:Hi My sons car has alloy wheels, and metal valve stems, there is a tiny leak between the valve stam and the alloy on one wheel, we are struggling to get anyone to repair at a reasonable cost. Would tyre weld make a permanent repair?. Some tyre specialists won't touch the wheel, one other wants to drill out the stem put in another, which sounds a bit drastic. Any other ideas?, is it feasible to get the metal valve stem replaced by a rubber version?. Apparently the metal ones get curbed and then start to leak.

On that year car the tire is tubeless and the valve stem should not be moving as it would if you had a tube type tire. If the valve stem is pushing in it means you drove on the tire while flat and probably ruined the tire as well as the valve stem. The tire must come off the rim to be inspected before blowing it back up and used. If you don't inspect the tire it will probably blow out at highway speeds and kill someone!

Q:in confederacy of dunces when ignatius talks about his valve closing all the time. is he talking about a throat valve or his he talking about like some intestinal valve? my mom says it's his intestinal valve, but i think he's got asthma or something and he's talking about his throat

May relate to a hiatus hernia, which is a fairly common illness involving a hole in the diaphragm separating the stomach from the lung cavity.

Q:i am wanting to know if there is a diagram of the engine or at least if you have to remove the intake manifold to get to the egr valve.

there was an extended warranty on the EGR valve to 8 years or 80,000 miles from new for problems related to insufficient lift of the valve because the port that the exhaust gas flows through gets plugged with carbon. if your car is within the 8/80 take teh car to a honda dealer for a free replacement of the valve and tube if you need to do it yourself or have someone else do it I can scan a bulletin if you want the details of how to do it. if you want that, send me an email by clicking on the icon above my name to the left of this answer and select email be sure to include your real email address that I can send an attached file to because Yahoo Answers doesn't allow attachments. Doing it this way keeps your email address and mine out of the searchable Yahoo Answers database hope that helps

Q:my check engine light just came on and i have some oil on the block of my engine, a friend told me that the valve cover gasket needs resealed. could that be why my check engine light is on?

Most likely if you see oil on the block you need to re-do the head gasket which sucks but the valve cover gasket is usually not the reason for most leaks, could be at least i would start there most new cars have a rubber gasket which can be re-used if you have to open the cover. But yeah this can turn the light on depending on what car you have but for sure. Replace the valve cover gasket and see what happens, they are usually like $30.00 bucks or less.

Q:I have a 1987 Chevy Blazer with a 5.7 liter 350 engine. Where is the PCV valve located on it?

My guess would be in one of your valve covers,Look for the black hose hooked to it.

Q:I think they need to be taught how to count. Honesty... Half-Life, Half-Life 2, Half-Life 2: Episode One, Half-Life 2: Episode Two... Where the hell is 3 already?

I even have an 18 month old that maintains to be on the bottle. She basically makes use of it at nap bedtime inspite of the undeniable fact that. and that i'm interior the skill of weining her off of it thoroughly. I had issues getting my daughter to initially take to a sippy cup too. basically save attempting... perchance permit him p.c.. out a cup on the save. that could get him excited approximately it. My dad and mom are people who have been given my daughter to take a sippy cup. My mom had me deliver my daughter over with basically a cup, no bottles. She used the thought that as quickly as she's thirsty she'll take it. and he or she did. She suggested it took a pair of tries, and a pair cries for her bottle and a tantrum or 2, yet my mom persevered. as quickly as she have been given residing house I did the comparable and (nonetheless a tantrum or 2, yet..) it worked. Bedtimes are yet another tale inspite of the undeniable fact that... nonetheless engaged on that. I even have 2 greater concepts... First attempt applying the sippy cups that have the versatile rubber nipples/tops. Nibby sells some at walmart. they're greater reminiscent of bottles than the hard plastic ones and could make the transaction smoother. and 2d. .. additionally at walmart, they sell nipples for bottles, that reproduction ingesting from a sippy cup. it could help to apply those for a short at the same time as.

Q:I know absolutely nothing about cars. My AC stopped working, I had a new air compressor, drier, expansion valve put on. It was also vacuumed out. Problem is it will not take a recharge, and there is no refrigerant in it at all. But it keeps reading high pressure, I don't know the readings I was told it is reading high, and will not take a recharge. Someone on yahoo answers suggested it might be the Schrader valve is this a problem that it can cause if it's bad that it will not let you recharge, and read a high pressure reading? Is there a Schrader valve for the low pressure valve amp; the high pressure valve or is there just one? I have a 96 Dodge Stratus ES. Thank you for any help or ideas.

After replacing all these parts it should have corrected any restriction. If it was vacuumed out there should be negative pressure in the system and accept a charge through the low side port. If you did not see the actual work done im wondering if the parts were indeed changed?