I don't know if Pitbull is right about the Toyota V8 being easy on oil, but the Toyota V8 may just be the best engine of its type in the world. It does its job so well it just goes unnoticed. It's a solid lifer engine but the local Toyota dealership mechanics say they have never had to adjust the valves on one. This engine is one of the reasons I bought a 4Runner two years ago. This engine may not have the highest horsepower rating but it gets great gas mileage, produces good torque and is very smooth. And, finally you never hear of one of these engines getting plugged up with sludge. So, maybe, Pitbull is right...easy on oil.
What engine is easiest on oil?
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Perhaps I'm thinking of the 3800 Series II. My dad owns a '96 Regal, and I've done nearly all the changes for him. I'm sure the manual said 10w30 above 0 deg F and 5w30 below 50 deg F. The oil filler cap recommends 10w30.quote:
Originally posted by Ugly3:
y-p-w - Sure about the first one? Doesn't it have a timing chain? GM has also never recommended 5w30 oil for it over 50 deg F.
Gee, I had a `90 Buick Park Avenue with a 3800 V6, I would have sworn they recommended 5w30 the year around at all temps.
Let me put a plug in here for the ol' Jeep 4.0L straight six...been around for a couple of years
my 98's 4.6 sohc,dohc and 5.4 are extremely easy on oil's
Geoff, I know very little about the Grand Nationals version of the 3.8 but modern transverse mounted Seires II and up 3.8's are not low pressure at all! THe facture service manual for my 1997 Buick Lasber requires 65 PSI of oil pressure above 1800 or 2500 RPM's I can not rember now. The presure reading must be done with the engine and oil at operateing temp.! The oil must be 10W30. I can not rember the spec. for idle oil presure but mine is 40PSI.
Now for a long time on a lot of applications GM used 6 psi as the idle cut off presure for warranty work! As long as the engine had 6 psi at idle and built pressure as the RPM's increased most dealers were instructed to tell the customer that it "Is not a durability issue." and send them on their way! 6-8 psi is usualy the area that you start to hear really noisey lifters!!
Now for a long time on a lot of applications GM used 6 psi as the idle cut off presure for warranty work! As long as the engine had 6 psi at idle and built pressure as the RPM's increased most dealers were instructed to tell the customer that it "Is not a durability issue." and send them on their way! 6-8 psi is usualy the area that you start to hear really noisey lifters!!
300in^3 I6 Ford.
Just as a FYI my '04 L67 (supercharged 3800 Series II) calls for 5w30 year around.
Oil cooler?
hi i can remember some good ones
1973 ford maverick straight six
1975 chevy malibu striaght six
1967 VW beetle 4 cyl, really good and almost indestructable
1979 datsun b210 4cyl, 300,000 miles
jeep 2.5 and 40 liter engines, really have to beat it, haveny blown one yet, easily get 200,000
and last ford crown vic 4.6 and 5.0 liter engine
1973 ford maverick straight six
1975 chevy malibu striaght six
1967 VW beetle 4 cyl, really good and almost indestructable
1979 datsun b210 4cyl, 300,000 miles
jeep 2.5 and 40 liter engines, really have to beat it, haveny blown one yet, easily get 200,000
and last ford crown vic 4.6 and 5.0 liter engine
1976 Cadillac, 500 cu. in. engine and a 2.29 rear axle ratio.
Yes, I stand corrected. The engine has received a lot of updates, particularly in '95. The oil pressure is now spec'd at 60psi at 1850 rpm. Quite high. See: http://engine.firebirdv6.com/ .
The oiling system changed (to a high pressure system) at the introduction of the Gen III block for the '86 MY.
[ May 10, 2005, 10:52 AM: Message edited by: Geoff ]
Thanks guys for the responses, very interesting. I was surprised to see GM3800 as a top rated engine, guess my own ignorance is showing. Why is the 3800 such a good engine? I've owned the Cummins and they are built to last and I've owned several Toyota's a 1985 22RE and an inline six cylinder in my FZJ80 95 Landcruiser, and now the 2004 4runner with the 4.7 V8. Guess I'm stuck on Toyota's. Also Wards rated the engine in my Wifes 2003 350Z as one of the top engines? Does anyone know what Wards uses to rate these engines?
The 3800 is a good engine because they started with a good design(the 215 V8) and kept improving it for 40 years. John is right, when you start from stratch you introduce a whole new batch of problems. Starting with an existing design rarely gets you a more reliable machine.
Don't take this to mean the 3800 is out of date or old. Not even the displacment has stayed the same, there have been huge changes along the way.
They have always recomended both 10w30 and 5w30 in the 3800. It usually just says 10w30 on the cap.
-T
Don't take this to mean the 3800 is out of date or old. Not even the displacment has stayed the same, there have been huge changes along the way.
They have always recomended both 10w30 and 5w30 in the 3800. It usually just says 10w30 on the cap.
-T
My 2.3L Mazda engine has shown itself to be very resiliant to wear as well.
http://www.mazda6tech.com/index.php?option=content&task=view&id=26
http://www.mazda6tech.com/index.php?option=content&task=view&id=26
The owner's manual on the 2004 Impala I test drove reccomended 5W30...
from my experience jeep's 4.0 and ford 4.6 are the easiest on oil
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