Re: [Amc-list] Spring Flush

["Armand Eshleman" <aje1@xxxxxxxxxxxxxxx>]

Matt spouted this sage advice on March 22, 2009,

> If you're changing oil every 2000 miles, it's unlikely there is much of
> a sludge problem. Also, synthetic oils typically have a lot of
> detergents in them and will clean the engine pretty well. When I
> switched to Mobil One in my last Ram (it had about 20,000 miles on it
> when I switched), the first few oil changes (which I did at regular
> intervals) got a lot of stuff out of the engine. After all the sludge
> was out, I started changing oil every 10,000 miles and it came out
> almost as clean as it went in. I would just drain the oil, change the
> filter, fill with a synthetic, and not worry about it.
>
> One thing I will say is that 20w50 is very heavy oil. Unless you have
> loose bearing clearances (like on a race motor), you'll get better gas
> mileage and easier cold weather starting with 10w30.
>
> Matt


Armand responds..................

Matt,

thanks for responding................

I never drive the car in cold weather without pre warming the engine using a
block heater, so I'm not concerned about cold weather starts. The 20W50 is
what I have in the shop and it needs to get used up, that makes good RM
sense. The engine is not a spring chicken and I would assume it has some
bearing clearance increases from 110,000 miles of use, and most likely cam
lobe and lifter wear. Now the fuel mileage part is definitely something to
consider................
What I need to do is get a real oil pressure gauge installed in addition to
the college educated warning lights
(he he, get it, they're not idiot lights, just lack of common sense lights,
no offense intended)
and see what the actual operating oil pressures are.
This may actually force me to finally get those gauges installed. Now,
where's the common sense in going nearly 40 years without a real gauge!! NOT

Armand



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