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off topic re: Chevy pu
I have a '91 Chevy 1500 pu, 4wd LT w/5.7 that has been dependable as all get out. I've owned it since new and done all required maintence. Recently I went looking for new PU's...even with the "deals" a comparable equipped truck is way more than I want to spend. So I'm going to hang to my ol' PU...I don't use it for work anymore mostly here and there, to the dump, and general running around town.
The truck just hit 105K on the odo and it is now time for an oil change, I've religiously changed oil/filters about every 3k miles, plugs and wiring about every 10K. It still looks good, inside and out, and it has been paid for since '91
I've heard pro/con on using a synthetic oil some say yeas to extend the life of the engine others say no on hi-milage engines.
I've used Castrol oil since new... ? Would I be better off using a synthetic like Mobil 1 or similar or go with Castrols "hi-milage oil"????
I'm planning to keep this truck for awhile now
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Denny the Castrol I've been using or the Castrol for high-milage vehicles?
Oil pressure is steady and since I replaced the oil pan gasket a couple of years ago no leaking or weeping. Cylinder pressure is all within 5-8 lbs of one another.
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I think sometimes a motor gets used to one oil and changing it might upset the apple cart, so to speak. However, I recently changed the oil in my '84 Ford and went to Mobil I because I was going to Atlanta and wanted to see if I could squeeze out a few more MPG at $4 per gallon at the time. Now I am committed for life to using synthetic in it, but I did get better MPG with it on the trip, so maybe it was a wise choice.
In my T I run Rotella T because I have heard so many good things about it.
Don
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I'm like you Denny, I like Castrol and have used it for years. One time we had an engine probuilt for Dan's VW and the people who built it run VW drag cars. When we picked up the engine the guy told us he only wanted one oil in that motor, Castrol GTX. Since I figured he knew whereof he spoke, I have used it since then.
Don
