Re: Engines that are prone to sludge

jan siepelstad wrote:

> I have driven 480,000 km (300,000 miles) with my 98 camry up to now.
> Last week opened the valve cover and everything looked like new!!
> No sign of any sludge at all!
> 
> But I must say, I generally drive long distances (over 50 miles) and my
fuel 
> is propane.
> I change (synthetic) oil every 30,000 km (19,000 miles).

I'm convinced that longer trip highway driving will make up for a 
multitude of sins (poor maintenance, design prone to sludging, etc.) 
that would otherwise do an engine in before 100k miles in the absence of 
good highway miles.

Bill Putney
(To reply by e-mail, replace the last letter of the alphabet in my 
address with the letter 'x')