What is the expected life of the Hemi engine before first major overhaul and subsequently? Does anyone have the stats?
La Hemi said:Why, do you think it would be less than any other modern V8? With the materials, engineering and manufacturing processes used today it should out last anything we bought in the past 40 years. The power levels we enjoy seem to be the result of great cylinder heads and good old cubic inches. These are not high strung engines, just very efficient at making a broad power band. Properly maintained and not abused this should be a 150,000+ engine just like the current GM LS2 is. Can't say that about any 60's muscle car engine. Who ever thought saying "they sure don't build em like they used to" would actually turn into a compliment. Just 2 cents worth from someone that had a hand full of 440 B body muscles cars as a teenager.
NR- speaking of oil changes, Is it just me or do others too feel this- I feel like it needs an oil change every 2200 miles... This "gritty" feeling is not just restricted to the 300C in my experience.. Left to me, I'd change my oil every 2200 or so miles rather than 3000. There did not seem to be any difference in this "feel" when I was using mobil one either. I have switched to Syntech and have a good feeling about this oil in the Hemi- all seat of the pants impressions.Northern Rider said:I have never heard of a manufacturer making engine life claims. There are just too many variables - driving style; climate; maintenance; etc.
As an extreme example, the Cummins diesel engine in the Dodge trucks is reported to go well over 350,000 miles before a MOH.
The good news is that the 5.7 Hemi engine was developed for the Dodge Ram trucks. Owners of these vehicles expect long life out of a properly maintained engine - typically 150,000 to 200,000 before a major rebuild. The Hemi seems to spec out well this way; large bearings; low rpm's; large oil capacity; very few moving parts.
On the other hand, a careless owner can destroy any engine in a very short period of time.
With my Hemi I change the oil and filter frequently - every 3000 miles; I run Castrol Syntec oil; On start up, I give the engine time to move and warm the oil before applying any rpm's.
I don't know what "LIMO drivers" you are talking to, but take it from a Fellow "executive sedan / Limo driver ( as my retirement job) In fleet circles if a "Limo" were to have 400K miles on the odometer You can double bubble the idle time into it for a net of 800K ---- I DOUBT IT.--- At 135K most independants are looking to unload the Town cars.At Boston Coach ( where a deal was entered into with Caddilac) the cars are turned over @ a maximum of 32K.After that, a premium of $.35 per mile is paid back to GM in accordance with the "buy - back provisions".Why look a gift horse in the mouth?? High Performance engines can bejaydee said:I didnt think anything- I just asked
Considering this engine has evolved over many decades, wouldn't one expect more than 150K miles out of it under the best circs? Does Chrysler/Dodge or indeed any other engine manufacturer make such estimates? How do Bentley/Rolls Engines compare for longevity?
I was told by limo drivers of Lincoln towncars that apart from routine maintainence their engines would go for excess of 400K miles.. any truth to this? or is this just urban legend? just curious..
Listen Moggy, This, "Sweaty Sock" can presently be found looking out for some kittys to stomp! Besides, if he was talking about entertaining posts from your quarter, he wasn't far wrong!Murphy The Cat said:Would that be the same skirt wearing sweaty sock that told me
"There can be only one"
Belmont CJ said:Listen Moggy, This, "Sweaty Sock" can presently be found looking out for some kittys to stomp! Besides, if he was talking about entertaining posts from your quarter, he wasn't far wrong!:rocketwho
I suppose that is better than being nothing !!Belmont CJ said::laugh2: As usual MTC, you are nothing if not witty. PS have we done why Hadrian built the wall?:wall: