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Re: Keep with Conventional for 2001 Buick? [Re: Lubener] #5264984 11/12/19 01:07 PM
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D1dad Offline
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I just bought a mint, garage kept, dealer serviced 08 impala of of an older lady that had seen nothing but dealer 5-30 conventional it’s whole life. No leaks until I switched it over to synthetic and now i have a nice quarter sized spot every morning. When it’s due I’m gonna go back to conventional.


Originally Posted by Lubener
I would stick with the dino oil and filter combos you mentioned and would not change to synthetic at this point. Why change from what has worked. Read too many situations where oil leaks start after switching on an old engine. You probably can go with 2 year oil changes. I go 2-3 years on an old Mercury which I use dino and drive it 1000-1500 miles during the summer.

Originally Posted by Lubener
I would stick with the dino oil and filter combos you mentioned and would not change to synthetic at this point. Why change from what has worked. Read too many situations where oil leaks start after switching on an old engine. You probably can go with 2 year oil changes. I go 2-3 years on an old Mercury which I use dino and drive it 1000-1500 miles during the summer.

Re: Keep with Conventional for 2001 Buick? [Re: JGmazda] #5265000 11/12/19 01:26 PM
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I would stick with conventional but change it 2x year or maybe in 8 months. Considering short trips, i see it being more beneficial changing the dino 2x a year than staying with the synthetic a year long.


Chevrolet Kadett EFI '94 (Neat ethanol) - Shell Rimula RT4X 15W40

Honda Fit '09 (FlexFuel) - Shell Helix HX8 5W30 > Motul 6100 SYN-nergy 5W30
Re: Keep with Conventional for 2001 Buick? [Re: bbhero] #5265022 11/12/19 01:53 PM
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dave1251 Offline
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Originally Posted by bbhero
Originally Posted by slacktide_bitog
SN "conventional" is a syn blend now due to more stringent modern standards. The Walmart synthetic is a great deal, and there is nothing wrong with using it. I would use house brand synthetic over name-brand "dino"

Even the cheapest oil that meets SN standards is better than any oil available in 2001 when your car was new smile

Napa has their house brand synthetic oil on sale this month for $3.49/qt. It is Valvoline



This ^^^^^^^^^^

Very good post here.

This price point does not beat SuperTech synthetic and one is not better than the other. OP buy on price and anything SN+ or DEXOS is quite a bit better than 2001 motor oil you can sleep well just following the OLM.


make the inside of your engine oil cap white.
don't use.
Re: Keep with Conventional for 2001 Buick? [Re: JGmazda] #5265107 11/12/19 03:10 PM
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JGmazda Offline OP
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Thanks guys. She drives about 10+ miles and it does heat up. She used to drive it down the block (literally like 5 houses down! ) To get her mail. That was some years ago and that worried me quite a bit. knowing that, I would take her out for weekly highway runs of about 25-30 miles... Just to burn off any condensation.

There is no set mileage these days since she rarely drives it. It's been on a couple longer trips and I think that did well for it.

Really appreciate all your input and advice you guys! 👍


2008 KIA Sportage
Re: Keep with Conventional for 2001 Buick? [Re: dave1251] #5265162 11/12/19 04:06 PM
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bbhero Online Content
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Originally Posted by dave1251
Originally Posted by bbhero
Originally Posted by slacktide_bitog
SN "conventional" is a syn blend now due to more stringent modern standards. The Walmart synthetic is a great deal, and there is nothing wrong with using it. I would use house brand synthetic over name-brand "dino"

Even the cheapest oil that meets SN standards is better than any oil available in 2001 when your car was new smile

Napa has their house brand synthetic oil on sale this month for $3.49/qt. It is Valvoline



This ^^^^^^^^^^

Very good post here.

This price point does not beat SuperTech synthetic and one is not better than the other. OP buy on price and anything SN+ or DEXOS is quite a bit better than 2001 motor oil you can sleep well just following the OLM.



Maybe just maybe... Someone may well not want to go to Walmart... And deal with all the mass of humanity and World Champions in that place....

$3.49 a qt is just fine... $17.50 is a ok price for 5 qts of full synthetic Napa oil.


Nissan Altima 3.5 Coupe
Cam2 Full synthetic 5w30 Carquest Blue 84356
"Treat your family like your friends and treat your friends like your family."
Re: Keep with Conventional for 2001 Buick? [Re: Mad_Hatter] #5265189 11/12/19 04:46 PM
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69GTX Offline
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Originally Posted by Mad_Hatter
Originally Posted by 69GTX
What you're doing now is just fine and obviously works. You didn't tell us what the annual mileage is these days. Could be 500....could be 3000.....and what are the typical miles on each trip? That should play the most important role in your decision. A short tripper doing 2-5 miles each trip never warms up, and leaves excess fuel, water, and corrosion products in your engine. I'd be tempted to do 2X oil changes each year (change filter every other change) just to get all those contaminants out. If she's driving at least 10-12 miles per trip then annually is fine.

It's had 18yrs to fail due to corrosion...js


What you're missing is that the aunt might have driven most of those 53,000 miles under normal conditions....and only seriously short tripping the car the past couple of years. There's be no corrosion at all from those first 50,000+ miles. And maybe considerable corrosion and buildup as the car transformed into a severe short tripper. The OP didn't give any information of how and when the mileage was put on before I replied. Based on their latest reply as long as 10 mile trips are recorded (or a monthly highway run), an annual change on conventional makes sense.

Last edited by 69GTX; 11/12/19 04:49 PM.

----------------

2001 Lincoln Cont 4.6L DOHC/ 50K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs
Re: Keep with Conventional for 2001 Buick? [Re: D1dad] #5265293 11/12/19 06:16 PM
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ka9mnx Offline
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Originally Posted by D1dad
I just bought a mint, garage kept, dealer serviced 08 impala of of an older lady that had seen nothing but dealer 5-30 conventional it’s whole life. No leaks until I switched it over to synthetic and now i have a nice quarter sized spot every morning. When it’s due I’m gonna go back to conventional.

Ridiculous. I've switched a good amount of old vehicles with over 200k miles to synthetic oil over the past 40 years and they usually use LESS oil on synthetic. Every vehicle you own uses oil. Must be doing something wrong?


2005 Ranger 3.0 - SuperTech Syn 0w-20/Motorcraft
2000 4Runner 3.4 - SuperTech Syn 5w-30/Toyota
1997 B2500 Van 3.9 - M1 HM 10w-30/Mopar
1993 F150 4.9 - SuperTech Syn 5w-30/Motorcraft
Re: Keep with Conventional for 2001 Buick? [Re: JGmazda] #5265321 11/12/19 06:46 PM
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Originally Posted by ka9mnx
Originally Posted by D1dad
I just bought a mint, garage kept, dealer serviced 08 impala of of an older lady that had seen nothing but dealer 5-30 conventional it’s whole life. No leaks until I switched it over to synthetic and now i have a nice quarter sized spot every morning. When it’s due I’m gonna go back to conventional.
Ridiculous. I've switched a good amount of old vehicles with over 200k miles to synthetic oil over the past 40 years and they usually use LESS oil on synthetic. Every vehicle you own uses oil. Must be doing something wrong?

A group3 full syn like SuperTech from warren wouldn't have a problem. I could maybe see a switch to a POE-based oil like Redline or Motul Ester oil dissolving some gunk stuck in the seals a little since POE is a good cleaner.
Group3 oil is simply a more severely-hydrotreated Group2 which is in conventional yellow bottle Pennzoil for example. Doubt Penzzoil yellow conventional would clear out goo from around the seals any more than SuperTech would.

Re: Keep with Conventional for 2001 Buick? [Re: paoester] #5265747 11/13/19 08:35 AM
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Originally Posted by paoester
A group3 full syn like SuperTech from warren wouldn't have a problem. I could maybe see a switch to a POE-based oil like Redline or Motul Ester oil dissolving some gunk stuck in the seals a little since POE is a good cleaner.
Group3 oil is simply a more severely-hydrotreated Group2 which is in conventional yellow bottle Pennzoil for example. Doubt Penzzoil yellow conventional would clear out goo from around the seals any more than SuperTech would.

Well, I cannot argue your point but until this last Spring, I was a Mobil1 user. The vehicles I converted were all on Mobil1 and this goes back to when Mobil1 was a POE/Ester.

Last edited by ka9mnx; 11/13/19 08:38 AM.

2005 Ranger 3.0 - SuperTech Syn 0w-20/Motorcraft
2000 4Runner 3.4 - SuperTech Syn 5w-30/Toyota
1997 B2500 Van 3.9 - M1 HM 10w-30/Mopar
1993 F150 4.9 - SuperTech Syn 5w-30/Motorcraft
Re: Keep with Conventional for 2001 Buick? [Re: paoester] #5265782 11/13/19 09:17 AM
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dave1251 Offline
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Originally Posted by paoester
Originally Posted by ka9mnx
Originally Posted by D1dad
I just bought a mint, garage kept, dealer serviced 08 impala of of an older lady that had seen nothing but dealer 5-30 conventional it’s whole life. No leaks until I switched it over to synthetic and now i have a nice quarter sized spot every morning. When it’s due I’m gonna go back to conventional.
Ridiculous. I've switched a good amount of old vehicles with over 200k miles to synthetic oil over the past 40 years and they usually use LESS oil on synthetic. Every vehicle you own uses oil. Must be doing something wrong?

A group3 full syn like SuperTech from warren wouldn't have a problem. I could maybe see a switch to a POE-based oil like Redline or Motul Ester oil dissolving some gunk stuck in the seals a little since POE is a good cleaner.
Group3 oil is simply a more severely-hydrotreated Group2 which is in conventional yellow bottle Pennzoil for example. Doubt Penzzoil yellow conventional would clear out goo from around the seals any more than SuperTech would.


Redline is far from POE based it's has around 2-10% POE. I can't speak about Motul.


make the inside of your engine oil cap white.
don't use.
Re: Keep with Conventional for 2001 Buick? [Re: JGmazda] #5266382 11/13/19 08:20 PM
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I use Pennzoil conventional in my 03 Park Avenue with the same engine, only supercharged. Car burns a bit of oil, not much, but I don't wanna have to keep adding expensive oil each time it needs it. 144k on it, and best road car I've ever owned.

On the DexCool issue, it's known to eat through the intake gaskets if not changed often enough. Change it every 3 years instead of the recommended 5 and it shouldn't do it. Problem with these engines is the intake manifold and EGR stovepipes are made of plastic and they usually start leaking around the stovepipe and it can cause the engine to hydrolock and seize it up. You can replace them with improved aftermarket gaskets made of aluminum, also a aluminum stovepipe, which is what I did for safe measure, mine weren't leaking, but I wasn't going to wait for them to start either! Other than that, the 3800 will run until the end of time.

Also keep an eye on the transmission fluid and change it often, the ATX is a weak point in this era GM FWD car but usually the problems are caused by neglect more often than not.


2004 Toyota Tacoma 3.4 V6: Mobil 1 AFE 0W-30, FRAM PH3614 filter
2003 Buick Park Avenue Ultra S/C 3.8 V6: QSGB 5W-30, FRAM PH3387 filter
2013 Honda 400EX ATV: Mobil 1 Racing 4t 10W-40, OEM filter
Re: Keep with Conventional for 2001 Buick? [Re: 69GTX] #5266572 11/14/19 12:37 AM
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Mad_Hatter Offline
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Originally Posted by 69GTX
Originally Posted by Mad_Hatter
Originally Posted by 69GTX
What you're doing now is just fine and obviously works. You didn't tell us what the annual mileage is these days. Could be 500....could be 3000.....and what are the typical miles on each trip? That should play the most important role in your decision. A short tripper doing 2-5 miles each trip never warms up, and leaves excess fuel, water, and corrosion products in your engine. I'd be tempted to do 2X oil changes each year (change filter every other change) just to get all those contaminants out. If she's driving at least 10-12 miles per trip then annually is fine.

It's had 18yrs to fail due to corrosion...js


What you're missing is that the aunt might have driven most of those 53,000 miles under normal conditions....and only seriously short tripping the car the past couple of years. There's be no corrosion at all from those first 50,000+ miles. And maybe considerable corrosion and buildup as the car transformed into a severe short tripper. The OP didn't give any information of how and when the mileage was put on before I replied. Based on their latest reply as long as 10 mile trips are recorded (or a monthly highway run), an annual change on conventional makes sense.

Fair enough. And I agree 100% w/sticking to dino, maybe even just once a year oil change as you mentioned. This cars a garage queen, just keep doing what's been doing and who knows how long it'll last.. maybe another 10yrs. That reminds me OP, let me know if that Buick's ever for sale.😉

Last edited by Mad_Hatter; 11/14/19 12:39 AM.
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