How long did your engine last?

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My 01 Ford F150 with the 5.4 has 205,000 on her. We bought it with 177,000 and it was meticulously maintained by the PO using nothing but synthetic oils, but he didn't ever tell me which brands. It does not leak or burn a drop of oil and still gets worked daily! I mix it up with Motocraft, mobil 1, and Pennzoil now.

My Acura has 297,000 on her but the PO (young kid) neglected it badly. It still ran strong with 188,000 on it but leaked oil badly so I swapped in a low mileage B20 from a CRV.
 
2002 Miata, purchased with 185,000 mi. Previous owner used M1 5w30. Engine was very clean in the valve train area when I changed the timing belt at 187,000 mi. Now it has 225, 000 mi on a steady diet of RTS 5W-40. Runs great, revs strong!

Tired second gear syncro was cured by a transmission fill of 50% 75W-140 and 50% RL Heavy Shockproof. Shifts real smooth now!
 
Am I the only one who used 10,000 miles as an OCI, even with a high mileage engine? Just curious, because one of the benefits of using synthetic oil is supposed to be the longer OCI. If conventional oils can go 7,500-10,000 these days why would you change a synthetic sooner, other than to get the warm fuzzies about how nicely you treat your car? When I was in a carpool - for about three years - in the middle of the Honda's life - I was putting less than 10,000 miles a year on it and only changing the oil once a year. Didn't seem to do any damage. Maybe the engine really was overbuilt. It was the last year for Honda to sell a car in the U.S. that used a cast iron engine block.
 
260,000 miles, m1 10w30, ford 4.6l, and still going strong. In fact it's still got the honing in the cylinders, all the way to the top. No cam wear, perfect oil pressure.
 
Originally Posted By: DBMaster
Am I the only one who used 10,000 miles as an OCI, even with a high mileage engine? Just curious, because one of the benefits of using synthetic oil is supposed to be the longer OCI. If conventional oils can go 7,500-10,000 these days why would you change a synthetic sooner, other than to get the warm fuzzies about how nicely you treat your car? When I was in a carpool - for about three years - in the middle of the Honda's life - I was putting less than 10,000 miles a year on it and only changing the oil once a year. Didn't seem to do any damage. Maybe the engine really was overbuilt. It was the last year for Honda to sell a car in the U.S. that used a cast iron engine block.

No, you're not the only one.

I had been doing 6-7k/6mo with dino and 12-13k/12mo with syn for many years for Lexus LS400.

I only use syn with 12-13k/12mo for MB E430.
 
94 Jeep Grand Cherokee 4.0 I6 354K still running strong.
Replaced transmission at around 200K general maintenance as needed.
I'm sure it needs a new head gasket. Need to do a compression test soon

Oil used: whatever was on sale
OCI: 5K with conventional or synblend
 
Originally Posted By: nickolas84
Post the history and repairs of your retired engine, or any running engine with over 200.000 miles on it. What are your OCI and types of oil used.


1975 Renault 16 (TL, the sideflow version).

380,000km when the odo stopped working, and Dad drove it another 4 years.

Only ever had 20W-50 Castrol GTX or Valvoline XLD in it (SF when I started maintianing it), 5,000km OCIs, 10,000km filters if they were OEM, 5,000km Ryco filters.

Body went out on it, and it started cracking the windscreen around corners.
 
Let me put it this way, if the car, body and suspension lasted as long as my engines did I'd be a very happy camper. I've always had to retire a car for something other than an engine giving out.
 
Originally Posted By: demarpaint
Let me put it this way, if the car, body and suspension lasted as long as my engines did I'd be a very happy camper. I've always had to retire a car for something other than an engine giving out.


Likewise here. Even with dozens of hard working fleet trucks we could easily count the engine failures across 40+ years on one hand. All you'd need was 2 fingers!
 
Originally Posted By: SteveSRT8
Originally Posted By: demarpaint
Let me put it this way, if the car, body and suspension lasted as long as my engines did I'd be a very happy camper. I've always had to retire a car for something other than an engine giving out.


Likewise here. Even with dozens of hard working fleet trucks we could easily count the engine failures across 40+ years on one hand. All you'd need was 2 fingers!


LOL We all obsess about the best oil, thick vs. thin, extending OCI's, dino vs. synthetic, VI, VII, base stocks, and a slew of other issues. In reality maybe we should be obsessing about how to get the rest of the car to last as long as the engine.
 
Last edited:
Originally Posted By: Subdued
Just dip the car in motor oil and call it a day. It works for the engine!


Don't laugh I many years ago I used to it fend off rust.
 
Originally Posted By: teddyboy
I have a 97 Camry with the 5SFE (sludge prone)engine. It currently has just under 240K miles. The oil change regime has been M1 10W30 every 5K mostly with Toyota filters(more recently some M1 filters from the AZ sales). At around 175K I switched to M1 HM 10W30. The relatively short OCI for M1 was due to concerns over sludge. The engine has had a valve cover gasket and a new oil pan. That's pretty much it.

Same car, same engine. Sold it @ around 450K KMs. Ran various oils, dino, synthetic: QS 5w20, PYB 10w30, PC Supreme Synth 0w30, Esso XD-3 20w20, SuperTech

Mazda B2200 with ~500+K KMs before the engine was pulled for an FE3 swap - dino 10w30 - inside the engine was SPOTLESS, all silver and grey (gotta love the continuous engine flush from carb fuel dilution). Once started it with the pedal floored and the engine buried into the redline on a cold engine- no rev limiter- 10w30 - continued to run with no effect. The tips of the Hydraulic lifters were pretty pocked upon removal, but still spotlessly clean.
 
A buddy had an 84 Honda Accord - he used 20W-50 Castrol GTX back in the day. It was running fine, no smoke etc, when he sold it with 260k miles. He changed his oil between 3-4000 miles religiously.
 
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