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Fleet oil intervals to save money? #5266793 11/14/19 08:44 AM
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Todd00000 Offline OP
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I commute in a 2019 Mustang 5.0 it currently has 14K miles. It holds 10 quarts of syn and I'm putting 10K miles on her every 3 months, changing 10 quarts of syn every 3 months is too expensive.

Here's what I'm thinking of doing. Next oil change will be Amsoil Signature Series 5W-20 and their filter. I'm currently using close to 1.5 quarts every 10K miles.

I will change the filter every 3 months and each time send an oil sample for analysis. I will change the oil when the analysis says to.

Bad idea? OK idea but needs some modifications to be a good idea?

Thanks for your comments.

Todd


Todd
Re: Fleet oil intervals to save money? [Re: Todd00000] #5266806 11/14/19 08:55 AM
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Bailes1992 Offline
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I'd be tempted by a bypass oil filter and using Amsoil HDD 10w30 and never changing the oil. Just filter changes and keeping the engine topped up with regular analysis.


19 Volvo V40 D3 Auto - 96 Defender 300TDi - 03 Ford Mondeo ST 3.0 V6
Engine - Castrol Edge 5w30 LL
Manual - Fuchs Sintofluid 75w80
ATF - Comma MVATF
Diff & Transfer - Fuchs Sintopoid 75w90
Re: Fleet oil intervals to save money? [Re: Bailes1992] #5266825 11/14/19 09:07 AM
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Todd00000 Offline OP
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Originally Posted by Bailes1992
I'd be tempted by a bypass oil filter and using Amsoil HDD 10w30 and never changing the oil. Just filter changes and keeping the engine topped up with regular analysis.

How often would you do an analysis?


Todd
Re: Fleet oil intervals to save money? [Re: Todd00000] #5266826 11/14/19 09:08 AM
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slybunda Offline
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Analysis every 100k


1995 Ford Fiesta 1.6i 16v Si
2000 Toyota Celica 1.8 VVTL-i
2007 Toyota Aygo+ 1.0i
Re: Fleet oil intervals to save money? [Re: Todd00000] #5266828 11/14/19 09:08 AM
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NormanBuntz Offline
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Why not buy a commuter car and save miles on the Mustang? Putting 40K miles a year on the Mustang brings killer depreciation.


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2013 Honda Accord LX, 61K, 2nd owner
2007 Honda Ridgeline RTS, 95K, 1st owner
2007 Infiniti M35, 115K, 1st owner
Re: Fleet oil intervals to save money? [Re: Todd00000] #5266831 11/14/19 09:11 AM
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Bailes1992 Offline
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Originally Posted by Todd00000
Originally Posted by Bailes1992
I'd be tempted by a bypass oil filter and using Amsoil HDD 10w30 and never changing the oil. Just filter changes and keeping the engine topped up with regular analysis.

How often would you do an analysis?


I'd start at 5k, then 10k, then 20k. I probably wouldn't go further than 20k, maybe 25k at most.


19 Volvo V40 D3 Auto - 96 Defender 300TDi - 03 Ford Mondeo ST 3.0 V6
Engine - Castrol Edge 5w30 LL
Manual - Fuchs Sintofluid 75w80
ATF - Comma MVATF
Diff & Transfer - Fuchs Sintopoid 75w90
Re: Fleet oil intervals to save money? [Re: Todd00000] #5266844 11/14/19 09:22 AM
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Linctex Offline
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I wonder how much room you could find to add a bypass oil filter... somewhere


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Re: Fleet oil intervals to save money? [Re: Todd00000] #5266846 11/14/19 09:23 AM
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You need to get a commuter is what you need to do. I don't get how all of a sudden it's "too expensive" only 14k miles into ownership. Sounds to me like you bought the wrong car... good luck.

Re: Fleet oil intervals to save money? [Re: slybunda] #5266849 11/14/19 09:23 AM
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Todd00000 Offline OP
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Originally Posted by slybunda
Analysis every 100k

Wow, really?


Todd
Re: Fleet oil intervals to save money? [Re: Todd00000] #5266854 11/14/19 09:26 AM
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JoelB Offline
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You choose to commute in a 5.0 V8 but the oil changes are too expensive? Have you calculated your fuel bills? This logic just isn't adding up.


Mine: 2019 Chevy spark 1.4 Non-turbo
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Wife's: 2018 Chevy spark 1.4 Non-turbo
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Re: Fleet oil intervals to save money? [Re: Mad_Hatter] #5266859 11/14/19 09:30 AM
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Todd00000 Offline OP
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Originally Posted by Mad_Hatter
You need to get a commuter is what you need to do. I don't get how all of a sudden it's "too expensive" only 14k miles into ownership. Sounds to me like you bought the wrong car... good luck.

It's a base GT, only cost 35K. I don't want a boring commuter car. I also was shopping the Civic Type R but couldn't find the one I wanted. I get 25mpg when I use cruise control.

Last edited by Todd00000; 11/14/19 09:31 AM.

Todd
Re: Fleet oil intervals to save money? [Re: Todd00000] #5266862 11/14/19 09:30 AM
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N Heat Offline
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10 quarts? I havent bought or maintained a new vehicle since 2012. Is that large an oil quantity becoming more prevelent on newer vehicles? Im assuming its aimed creating longer OCIs thus reducing the advertised maintenance costs?

Re: Fleet oil intervals to save money? [Re: Todd00000] #5266864 11/14/19 09:32 AM
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Too me, "too expensive" means you cannot afford your mortgage/rent payment because of the cost. Sounds like you just do not want to pay to play and bought the wrong vehicle.

If you really want to save money, drop the oil analysis being done every oil change to like every other or third oil change. I would also look at ditching the Amsoil to save some money.


2020 Jeep Gladiator Rubicon 3.6L (Dealer Bulk 0W-20)
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Re: Fleet oil intervals to save money? [Re: N Heat] #5266867 11/14/19 09:33 AM
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Todd00000 Offline OP
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Originally Posted by N Heat
10 quarts? I havent bought or maintained a new vehicle since 2012. Is that large an oil quantity becoming more prevelent on newer vehicles? Im assuming its aimed creating longer OCIs thus reducing the advertised maintenance costs?

I don't see how it reduces cost with a change interval of 10K miles.


Todd
Re: Fleet oil intervals to save money? [Re: Todd00000] #5266869 11/14/19 09:35 AM
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walterjay Offline
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What is the factory recommendation? Does it have an oil life monitor? Surely you can go much farther on an oil change.

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