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Midsize Sedans 2.0

18436 messages,  Last post on Jun 19, 2013 at 12:40 AM

You are in the Sedans Forum.

What is this discussion about? Hyundai Sonata, Toyota Camry, Honda Accord, Nissan Altima, Volkswagen Passat, Mazda MAZDA6, Ford Fusion, Chevrolet Malibu, Kia Optima, Car Comparisons, Sedan

Messages Page 766 of 1844

#7651 of 18436 Re: Honda I-4 RPM's at 70/80 MPH [robertsmx] by robertsmx

Nov 29, 2007 (11:38 pm)

Replying to: robertsmx (Nov 29, 2007 4:18 pm)
Here's a good example of 8000 rpm and 300K miles co-existing on an original (1991) engine. This is currently a daily driver. And if you happen to be in Dallas-Ft Worth Area, an Acura dealership has an on-display car with over 700K miles to go with 8000 rpm.
 
So, it ain't all about rpm, but design and engineering, and considerations to durability. Besides, the last thing I would worry about in a Honda (Accord) will be its engine.

#7652 of 18436 Re: Honda I-4 RPM's at 70/80 MPH [robertsmx] by phaetondriver

Nov 30, 2007 (12:41 am)

Replying to: robertsmx (Nov 29, 2007 11:36 am)
I have read this post over and over and I can't figure it out.
Honda B18C used in Integra GS-R had a unique honey-comb cylinder lining. It was engineered to rev higher than a typical engine is. You can't apply a generic statement while ignoring facts like these.
 
I don't understand "honey-comb lining." I am thinking it is something like the Crinkle Chrome applied to some cross county motorcycle racing engines back in the 70's. It was a super smooth, supper hard, chrome-molly alloy plating with a spider web of microscopic fractures which held on to the oil better reducing friction of rings to cylinder walls.
 
You mention "apply generic statement while ignoring facts like these" but I don't see any facts in your statement.
Are you saying that an engine with a honey-comb cylinder doesn't have any friction anywhere in the engine? I know from your other posts you are way to knowledgeable to state an assumption like that and I won't assume that is what you were saying.
I just am missing the facts you elude to, I guess. Maybe you could describe the facts to me more clearly?
 
Other post on this thread have made statements along the lines that RPM has no effect on Honda engines. Honda must have figured out how to completely eliminate metal on metal contact in an engine, which would be the greatest discovery of the 20th century, and maybe the 21st . With this technology we can solve the oil crisis because we wont need it for lubrication of anything in the future.

#7653 of 18436 Re: Horsepower? Who cares [robertsmx] by pat

Nov 30, 2007 (1:31 am)

Replying to: robertsmx (Nov 29, 2007 8:20 pm)
No I didn't miss that - you addressed someone who had replied to you and asked why. I showed you why. My goodness you can make a mountain of a molehill!! Could we please move on?

#7654 of 18436 Re: Honda I-4 RPM's at 70/80 MPH [phaetondriver] by lilengineerboy

Nov 30, 2007 (6:17 am)

Replying to: phaetondriver (Nov 30, 2007 12:41 am)
Other post on this thread have made statements along the lines that RPM has no effect on Honda engines. Honda must have figured out how to completely eliminate metal on metal contact in an engine, which would be the greatest discovery of the 20th century, and maybe the 21st . With this technology we can solve the oil crisis because we wont need it for lubrication of anything in the future.
 
I don't think they own the market on reducing friction in an internal combustion or compression ignition motor. I think the design of the piston itself, the design of the cylinder wall, the way the rings seat and the material they are made of, and the coatings they use on the cylinders, pistons, and rings helps too. Modern con-rod bearings seem to show almost no wear after hundreds of thousands of miles if the oil was maintained.
 
The Contour held 5.7 qts of oil while the Accord held 3.8 qts. Because the Contour was tracked, it got synthetic, but I didn't have an issue with either one. I wanted to make sure there was something protecting the bearings when the vehicle was oil-starved during hard cornering, so synthetic seemed like the way to go. 180k later it was fine, and that was high load, high RPM driving.
I personally am not worried about revs in a motor, as long as its within its factory limits (if you start reving a 7500 RPM redline motor to 10k you might have an issue). In my opinion, manufacturing tolerances are tight enough between all manufacturers.

#7655 of 18436 Re: Horsepower? Who cares [pat] by moparbad

Nov 30, 2007 (6:42 am)

Replying to: pat (Nov 30, 2007 1:31 am)
Molehill Mountain That would be a great title for a blog.
 
Suggestion for new topic for today's discussion, "Which midside car has the best automatic climate control system?"
 
I'll start with saying the Mazda6 is not the winner.

#7656 of 18436 Re: Horsepower? Who cares [moparbad] by lilengineerboy

Nov 30, 2007 (6:49 am)

Replying to: moparbad (Nov 30, 2007 6:42 am)
Suggestion for new topic for today's discussion, "Which midside car has the best automatic climate control system?"
 
Never had it. Too entertaining to sit there and battle with Mrs. LilEngineerBoy over the temperature control knob. Okay, not really, but it wasn't until recently that we had 2 cars that had Air Conditioning, let alone climate control.

#7657 of 18436 Re: a strange discussion [captain2] by targettuning

Nov 30, 2007 (7:21 am)

Replying to: captain2 (Nov 29, 2007 1:16 pm)
I firmly believe that ANY modern engine whether build and designed by Honda or Hyundai or Ford (except the 3.8 V-6 of blown headgasket fame) or GM (except the original aluminum block Vega 4 cyl. OR the diesel V-8 conversion from the 80's) or Chrysler will far outlast the original owner and probably several additional owners as well so questions of longevity up to at least 150K miles are a moot point. Of course, all talk of engine longevity is assuming the owner changes the oil, filters,plugs etc. once in a while and if one neglects even a Honda engine this will result in far reduced life. Anyhow, if you really want to talk high mileage I have had several and NONE were Honda. We had a 1988 Plymouth Horizon with 240K miles (2.2 liter 4 cyl.) a 1987 Taurus with perhaps the greatest engine Ford ever made...the Vulcan 3.0 V-6 that had a bit over 300K miles when sold and another 87 Taurus, same engine with 187 K miles when sold, a 1979 Subaru with over 300K miles when sold, and currently I drive a 1995 Dodge Stratus 2.5 liter V-6 that has 197,047 miles and counting....oh yeah, my son drives a 2000 Hyundai Elantra that had 172,167 miles when I last saw it and since he is racking up miles to the tune of 100 per day minimum probably a lot more now. All but the Horizon (which finally suffered a blown headgasket) were driven away and were used by the latest buyer when I sold them and all were reliable with no clanking or excessive oil use and all were as quiet as when they were 10's of thousands of miles newer. All this to say Honda does not have a lock on engine reliability OR longevity.

#7658 of 18436 Re: Honda I-4 RPM's at 70/80 MPH [phaetondriver] by elroy5

Nov 30, 2007 (7:33 am)

Replying to: phaetondriver (Nov 30, 2007 12:41 am)
On the list of things I don't worry about, the longevity of my Accord's engine is #1. On the list of things Honda knows, building engines is #1. Assuming that the Aura's engine will last longer, because it will turn less rpm would be mistake, and I certainly would not bet on it.

#7659 of 18436 Re: a strange discussion [targettuning] by imidazol97

Nov 30, 2007 (8:32 am)

Replying to: targettuning (Nov 30, 2007 7:21 am)
>I firmly believe that ANY modern engine whether build and designed by Honda or Hyundai or Ford
 
I agree with your post. You stated the point very well.

#7660 of 18436 Auto Climate Control by bug4

Nov 30, 2007 (8:34 am)

With regard to climate control, the auto. climate control on my 08 Accord EX-L works great and I have no complaints. Ms. Bug4 loves to put her temperature 10-12 degrees hotter than mine. The system handles the temperature gradient very well and, because the interior is so large or for whatever other reason, the system seems to be able to maintain significantly different temperatures from one side to the other. Other than its initial attempts to get the car up to temperature, I'm impressed with how quietly it operates! Now, having said that, I haven't had anyone in the back seat for an extended trip. So, who knows, maybe the climate in the back seat is unbearable?? I am disappointed the new Accords don't have any duct work to the back seats!

Messages Page 766 of 1844

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