|
Posted by Tony on October 9, 2009, 5:57 pm
Jim wrote:
> Larry Caldwell wrote:
>
>> Jim says...
>>> Ed Pawlowski wrote:
>>>> hibb wrote:
>>> [....]
>>>>> owner's manual and found that they recommend
>>>>> 0W20 oil fer this thang.
>>> [....]
>>>> The low viscosity is more for fuel mileage than
>>>> anything.
>>> http://www.smartsynthetics.com/articles/5w20oil.htm
>>> "The main reason 5W-20 or 0W-20 oil was specified for your engine
>>> is to increase the CAFE
> [....]
>>> "This increased fuel economy is virtually undetectable
> [....]
>>> Larry, your thoughts please.
>> My Mazda PU specifies 5w-20, but the dealer always uses 5w-30 for the
>> oil changes. (I bought the lifetime oil change deal.) I was curious if
>> I could tell any difference, so I changed it myself once with 5w-20 and
>> couldn't tell any difference in gas mileage.
>> Since the weather has cooled off, I have gone back to driving my dad's
>> old 1984 Nissan pickup, with 5-speed standard transmission, no AC, no
>> power steering and a 4-cylinder Z24 engine. I notice about a 50%
>> improvement in gas mileage. The engine has 10w-30 stamped on it, but
>> I'm sure it would run fine on 5w-30 in the winter.
>> If you really have to squeeze the last erg out of your fuel, Red Line
>> markets a 0W5 racing oil. I wouldn't recommend it for street use.
>
> neat sharing of information. thanks Larry...
>
> a friend who races on the small home boy circuit told me how he has
> drained the heavy oil out of the rear end differential gear and replaced
> it with Slick50® for his qualifying laps. He said he might pick up 1 or
> 2 mph by doing this and sometimes the difference between a good place in
> the starting lineup and a not so good place in the starting lineup is
> determined by only a few tenths of a mph. He went on to say he had
> never run an entire race with such a lite weight lubricant in the rear
> end deferential and how the point was all about qualifying for a good
> starting position.
I just now remembered something I saw on a cool morning in the pits at
what was "Indy" races. Almost everyone had a torpedo type kerosene
heater blowing on the rear differential long before the race started.
| 
Yahoo! 
Google 
Windows Live 
del.icio.us 
digg 
Netscape 
XML Sitemap
> owner's manual and found that they recommend 0W20 oil fer this thang.
> K-Mart doesn't carry it. Menards doesn't carry it. Napa dealer didn't
> have it but they did have the filter for the car.
> I plan, for the time being, to start changing my own oil again. Oil
> change places tend to tear up the undercarriage cover to get to the
> oil filter. So, where is a good source to get the oil and filter and
> still get a decent price. Right now, it looks like the cost of the oil
> and filter is about what I would pay to get the oil changed by
> somebody else.
> Thanks, David