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If you never change your oil...

mountainexplorer

mountainexplorer

1/2 ton status
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... your motor could end up looking like this:
3728396oilbuildup1.jpg

3728396oilbuildup2.jpg


The biggest solid hard chunk stuck in the lifter valley was about 1' wide and 3" tall. Oil wasn't even able to drain back down on the drivers side head. It looks MUCH nastier in person.
 
Man, Thats nasty. How long did you let it go for? /forums/images/graemlins/rotfl.gif

Not that I can say much, I blew up my 6.2L this morning. /forums/images/graemlins/whistling.gif
 
Not my doing. The motor was in a '77 1-ton Crew Cab I bought last June. Thats how the motor was when I got it. Finally got around to pulling it out last week.

It's a .060 over 1968-1969 396. Ran crappy, and had a bad rattle (probably worn piston skirts/cylinder walls). I've only got the heads off so far. The heads were the main thing I wanted off the motor... closed chambers. /forums/images/graemlins/cool.gif That and I may use the steel crank with a 454 block and make a 427. /forums/images/graemlins/thinking.gif

That sucks to blow up a motor. I've blown up a few myself. /forums/images/graemlins/crazy.gif
 
that right there is why i will NEVER EVER UNDER ANY CIRCUMSTANCES RUN PENZOIL /forums/images/graemlins/angryfire.gif /forums/images/graemlins/angryfire.gif
 
Doesn't look all that bad, but I guess you already got the chunks out. I rebuilt a 289 once that had basically filled in the lifter valley and around the valve springs with waxy concrete like stuff. This stuff was and inch thick or more across the valley and was actually making domes over the lifters in places. Never seen anything like it since then (thankfully).
 
In my engines class, we just saw a slide show of horror stories worse than that. It makes you wonder, what the hell these people were thinking. /forums/images/graemlins/screwy.gif
 
My grandpa had a crown vic he bought it new, from day one all he put in it was refined oil from the dollar store. He rarely ever changed the oil. The motor had only 30,000 miles on it. The sludge was so thick that you couldn't put oil in it because the heads were completely stop up. He took it the ford dealer and they had to tear it all apart and clean the sludge out. He still didn't learn his lesson, he uses good oil now but still rarely changes it. /forums/images/graemlins/rolleyes.gif /forums/images/graemlins/usaflag.gif
 
I had an aunt of mine a few years back buy a 1986 ford mustang convertible. She thought it was cute, and bought it right there. It looked good on paper, 1 owner, 40K orriginal miles, nice shape, ect. When my uncle decided to do some maintinence on it the next day, he found the ORRIGINAL oil filter on it. The girl that orriginally owned it, got it as a graduation gift from her father. She went on to college some 2 weeks after she got it, and never changed the oil, ever. she didnt think she was supposed to. It makes you wonder what is wrong with some people.
 
I've seen lots of chevy motors that bad--or worse!.One 327 I took apart to do a manifold swap and a new cam had sludge piled up right to the underside of the intake--couldnt see the lifters or cam at all,had to suck it out with an old shop vac!.I had my doubts if it was even worth doing after I saw that,but it did run pretty well afterwards.I put a quart of marvel mystery oil in it and changed the oil after the cam was broken in--it looked like liquid coal!.It did smoke a little,but it ran like a bear--goes to show how tough chevy motors can be(sometimes!). /forums/images/graemlins/crazy.gif /forums/images/graemlins/screwy.gif
 
beaterk20's buddy has a Poncho engine that looks like that! /forums/images/graemlins/smile.gif
 
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