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05-17-2023, 05:50 AM | #1 | |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Quote:
Wax and tar build up? The VVT works just fine. Thanks very much. Just how many of these engines have you disassembled and inspected? Zip-a-Dee-Doo-Dah, I’ll wager! You’ve been had my friend. You’re spending about twice as much on oil as you need to. You change the oil in your car because of contamination resulting from the combustion of fossil fuel. Whether the oil is synthetic or not, it’s still needs to be changed. But if you were happy, that’s all that matters I guess.
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Synthetic Oil: Its All In Your Head Last edited by bronsin; 05-17-2023 at 06:32 AM. |
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05-18-2023, 01:59 AM | #2 | |
Drives: 2015 Toyota Yaris LE Hatchie Join Date: Oct 2021
Location: So. Cal. Ventura
Posts: 91
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Your motor your gamble. Good Luck.
Toyotas are not an engine I would take apart to play with. My geo was in frame rebuild then top end rebuild. It still had faint cross hatching all the way around the cylinder when I put rings in it, in other words low wear. I will stick with the synthetics, that is my experience! Quote:
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05-18-2023, 12:00 PM | #3 | |
Drives: 2007 5dr canadian import Join Date: Dec 2016
Location: pacific north WET
Posts: 1,025
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Quote:
fwiw cross hatching life comes down to 3 things run time/milage, heat consistancy and overall ring seal/wear in other words..sloppy rings will never get rid of the hatching, low run time wont wear it either and an engine that never gets too hot or too cold will also never wear it out..ive taken apart 100k mile 70s v8s that still had faint hatching ive taken apart ones with 30k that were slick as a mirror...the oil used has NOTHING to do with cyl wear...oil only has a genuine effect on bearing surfaces..the cyl's are scraped clean every stroke..besides unless youve got an engine wiht oil sprayers little oil gets in there anyway |
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05-24-2023, 04:27 AM | #4 | |
Drives: 2015 Toyota Yaris LE Hatchie Join Date: Oct 2021
Location: So. Cal. Ventura
Posts: 91
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Before the valve burned my compression was high normal before the oil test to check the rings with little Slight raise after the ring test.
The motor in the Geo had 100 k on it. My V8s ised to smooth at certain place in the cylinder I think it was top and bottom center and outsid but I ran the piss out of those moters (350 chevy). Toyota is not what they were in the 90 or early 2000s. Sorry you were burned. Quote:
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05-24-2023, 03:01 PM | #5 | |
Drives: 2007 5dr canadian import Join Date: Dec 2016
Location: pacific north WET
Posts: 1,025
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Quote:
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05-26-2023, 09:20 AM | #6 | |
Drives: 2015 Toyota Yaris LE Hatchie Join Date: Oct 2021
Location: So. Cal. Ventura
Posts: 91
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That sucks!
I have no "shinies" when I inspect oil after a change. I hope it works out for you. Try changing the filter again, Maybe it is a brake in or defective filter. Quote:
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05-26-2023, 02:28 PM | #7 | |
Drives: 2007 5dr canadian import Join Date: Dec 2016
Location: pacific north WET
Posts: 1,025
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Quote:
"if" the engine goes another 100k ill be blown away, but theres no way it will go the 400k some guys get out of it...even if its only got 120k on it..the carnage from toyotas F-up will inevitably lead to a shorter life on the engine |
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