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Sedans Hyundai Genesis Hyundai Genesis Sedan 2009-
5696 messages, Last post on Dec 04, 2009 at 9:27 AM
You are in the Hyundai Genesis Forum. Your Hosts are pat & karens
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Replying to: allmet33 (Jul 10, 2009 8:46 am) Actually the only difference between the Av and ES is that the ES requires premium fuel. The Avalon doesn',t but suggests that "for enhanced performance" to use premuim fuel. That is what makes for the slight bump in HP. Now if your talking the IS350 that is the direct injected version. They did something different in how the oil is maintained in the engine I think you may be right. Is the oil filter on top of the engine in the Azera? I found that odd in the Genesis.
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Replying to: tjc78 (Jul 10, 2009 10:30 am) Well...that actually makes it worse. You benefit from a few more ponies under the hood with premium fuel, but you take a hit in fuel economy. That's gotta suck!!! That should go to point out that without DI...the 3.5 isn't as great as compared to the 3.8...even on premium fuel. Is the oil filter on top of the engine in the Azera? Yes...absolutely. You simply remove the engine shroud (6 bolts) and the oil filter cannister is right there for an easy change.
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Replying to: tjc78 (Jul 10, 2009 7:55 am) I think part of the problem is solid lifters, timing chain, and a thin aluminum block. All contribute a little bit to noise during startup. Haven't looked at under hood insulation, maybe it should be thicker. Using 5W20 oil also contributes a little to a noisy cold startup. There was a discussion on your link about the oil filter draining back into the engine. I believe there is supposed to be an anti-drain back valve in the oil filter element. Maybe someone botched a filter install.
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Replying to: bobad (Jul 10, 2009 11:24 am) That would be from the factory as I haven't had my first oil change yet. I'll take notice if it gets better after the first change in a few more hundred miles. |
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Replying to: allmet33 (Jul 10, 2009 8:24 am) Don't know. You should Amounts of torque as well as when it is available is a function of piston bore and stroke - among other things. The longer the piston stroke and/or the more reciprocating mass - the greater the troque and the more likely it is available as lower rpms. Thus the reason why engines like the antiquated old GM 3.8 is a torque monster relative to its seroius lack of HP, and also the reason why larger engines tend to have higher torque available at lower relative rpms.. There are but a few 'state of the art' 6s out there and the Hyundai 3.8- while a decent effort - is not among them. 'State of the art' being defined as continuously variable valve timing on both the intake and exhaust sides as well as being fitted with at least the capability to accomodate direct injection. TBMK the Hyundai V6 has a more rudimentary 'cam shift' valve timing on the intake side only - similar to what is on the Ford DT, for example. 'Old' technlogy. State of the art 6s? - the Toyota 2GR, the latest iterations of the Nissan VQ, the MB 3.5, and of course the BMW straight 6s. Worthy of mention as well, the VW narrow V6 and the GM HF 3.6. Actually puts the Hyundai engine a bit far down the list, doesn't it? From my observation, the Toyota 2GR in my own Avalon is definitively in a different class than anything available from any manufacturer excepting possibly one or two of those German engines.
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Replying to: allmet33 (Jul 10, 2009 10:43 am) I don't know why the hwy mpg # for the ES is 1 MPG less than the Avalon, they weigh essentially the same, use the same engine and trans. I will say this I couldn't tell the 4 HP difference when I ran premium in my Avalon.
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Replying to: allmet33 (Jul 10, 2009 8:46 am) Wrongo - the engines are identical - the Lexus rating is for the premium gas 'required' , the Avalon is rated for regular gas. You might be interested to know that the 2GR-FS (non direct injected) was originally rated at 280 hp in 2005 when it came out - new SAE standards that included some changes in testing methods (gas octanes recommended, accessory loads etc) caused the engine to be rerated in 06 to the 268 that it is today. The engine, however, never changed and nor was it changed as it was later installed in the ES.
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Replying to: captain2 (Jul 10, 2009 11:52 am) That 280 hp rating was based on what Toyota wanted to put out there. As you can see, it was brought down to reality when the SAE standards went into affect. So...in all honesty, the 2GR was never really 280 hp.
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Replying to: tjc78 (Jul 10, 2009 11:45 am) I have never been able to tell any difference in either the FE or power in my Av either, and my manual does say 'premium fuel recommended for max performance'. 
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Replying to: captain2 (Jul 10, 2009 11:35 am)
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