Sheriff's Department Oil

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Originally Posted By: Ojustracing
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Tahoes are actually bigger here, the Buffalo City PD went with them and I guess they save money in fuel costs because the four-cylinder shutdown on idle actually saves over the Crown Vic's constant 8-cyl.[/b] Not sure what they use but I'm guessing it's probably AC Delco Dexos1 since they were purchased through a smaller dealership in Boston, NY (strangely) that has since changed hands...


GM DOD doesn't kill cylinders at idle. It only does it from about 30mph to 65mph light throttle. I have deactivated the DOD on my Tahoe PPV. I actually get better fuel mileage on my commute to work by 1 mpg. Straight up highway use nets a 1/2 mpg decrease.

Where the Tahoe excels the Crown Vic is in maintenance/repair costs over the life of the equipment. Its faster too. I have been out of the Police car fleet scene for a while now. I don't know where the Chargers and Ford PI's into the life cycle costs.


I could be wrong about that but the Buffalo PD does claim better fuel economy overall:

Quote:
Buffalo buys 49 Tahoes


Kujawa’s opinion weighed heavily in swaying the Buffalo Police Department to purchase 49 Tahoes.

There are other advantages to integrating SUVs into a fleet of police cars, law enforcement officials say. Fuel efficiency, cheaper maintenance, better vantage points, better handling in harsh weather and greater public visibility also are factors.

The newer vehicles are more fuel-efficient than the Crown Victorias, which police fleet managers said got as little as 8 miles per gallon. Tahoes get nearly double the mileage.

SUVs offer better maneuverability and steering during harsh winter weather, police say. There’s also increased visibility for both the officer behind the wheel and for citizens, who can more easily spot an SUV patrol cruiser.

“Everything is about being more visible to the public, and with the new black-and-white color scheme and the highly reflective striping on the sides, the Tahoes are easy to see and more recognizable as police vehicles,” Buffalo Police Commissioner Daniel Derenda said.

And the bigger SUVs also provide officers with an elevated perspective, allowing them to be more thorough in their patrols, Kujawa said.

“In a Tahoe, you can look down into a car beside you and check for guns or drugs or if a person is on the phone, texting or wearing a seat belt,” said the 29-year police veteran.
...
 
when my community had it's own PD we used QSUD 5-30 in all of the crown vic's
now that we contract our policing , neighboring community used 5w20 in fords and 5w30 in Tahoes
 
Originally Posted By: Nickdfresh
Originally Posted By: Ojustracing
Quote:
Tahoes are actually bigger here, the Buffalo City PD went with them and I guess they save money in fuel costs because the four-cylinder shutdown on idle actually saves over the Crown Vic's constant 8-cyl.[/b] Not sure what they use but I'm guessing it's probably AC Delco Dexos1 since they were purchased through a smaller dealership in Boston, NY (strangely) that has since changed hands...


GM DOD doesn't kill cylinders at idle. It only does it from about 30mph to 65mph light throttle. I have deactivated the DOD on my Tahoe PPV. I actually get better fuel mileage on my commute to work by 1 mpg. Straight up highway use nets a 1/2 mpg decrease.

Where the Tahoe excels the Crown Vic is in maintenance/repair costs over the life of the equipment. Its faster too. I have been out of the Police car fleet scene for a while now. I don't know where the Chargers and Ford PI's into the life cycle costs.


I could be wrong about that but the Buffalo PD does claim better fuel economy overall:

Quote:
Buffalo buys 49 Tahoes


Kujawa’s opinion weighed heavily in swaying the Buffalo Police Department to purchase 49 Tahoes.

There are other advantages to integrating SUVs into a fleet of police cars, law enforcement officials say. Fuel efficiency, cheaper maintenance, better vantage points, better handling in harsh weather and greater public visibility also are factors.

The newer vehicles are more fuel-efficient than the Crown Victorias, which police fleet managers said got as little as 8 miles per gallon. Tahoes get nearly double the mileage.

SUVs offer better maneuverability and steering during harsh winter weather, police say. There’s also increased visibility for both the officer behind the wheel and for citizens, who can more easily spot an SUV patrol cruiser.

“Everything is about being more visible to the public, and with the new black-and-white color scheme and the highly reflective striping on the sides, the Tahoes are easy to see and more recognizable as police vehicles,” Buffalo Police Commissioner Daniel Derenda said.

And the bigger SUVs also provide officers with an elevated perspective, allowing them to be more thorough in their patrols, Kujawa said.

“In a Tahoe, you can look down into a car beside you and check for guns or drugs or if a person is on the phone, texting or wearing a seat belt,” said the 29-year police veteran.
...



Double the fuel mileage!!!! HAHAHAHAHAAHA That what you tell your wife/mayor when you want a new vehicles
whistle.gif
!!!!! I could see a Crown Vic get 8 mpg or less during a shift. A Tahoe get double at almost 16 mpg during a shift?? NFW. Both vehicles get zero mpg during idling. Based on my work before, if you used the both identically the Tahoe gets about on average 3/4 mpg less than the Vic during patrol.

I just read the article noticed this “The Tahoe has eight cylinders, but when it’s parked, it idles on four cylinders. When on regular patrol, it runs on six cylinders, and in pursuits operates on all eight cylinders,” Makowski said. That is not how the GM DOD system works!!!! Again someone trying to sell someone on the deal. Sorry for getting this post off track
 
Last edited:
Originally Posted By: Ojustracing
Originally Posted By: Nickdfresh
Originally Posted By: Ojustracing
Quote:
Tahoes are actually bigger here, the Buffalo City PD went with them and I guess they save money in fuel costs because the four-cylinder shutdown on idle actually saves over the Crown Vic's constant 8-cyl.[/b] Not sure what they use but I'm guessing it's probably AC Delco Dexos1 since they were purchased through a smaller dealership in Boston, NY (strangely) that has since changed hands...


GM DOD doesn't kill cylinders at idle. It only does it from about 30mph to 65mph light throttle. I have deactivated the DOD on my Tahoe PPV. I actually get better fuel mileage on my commute to work by 1 mpg. Straight up highway use nets a 1/2 mpg decrease.

Where the Tahoe excels the Crown Vic is in maintenance/repair costs over the life of the equipment. Its faster too. I have been out of the Police car fleet scene for a while now. I don't know where the Chargers and Ford PI's into the life cycle costs.


I could be wrong about that but the Buffalo PD does claim better fuel economy overall:

Quote:
Buffalo buys 49 Tahoes


Kujawa’s opinion weighed heavily in swaying the Buffalo Police Department to purchase 49 Tahoes.

There are other advantages to integrating SUVs into a fleet of police cars, law enforcement officials say. Fuel efficiency, cheaper maintenance, better vantage points, better handling in harsh weather and greater public visibility also are factors.

The newer vehicles are more fuel-efficient than the Crown Victorias, which police fleet managers said got as little as 8 miles per gallon. Tahoes get nearly double the mileage.

SUVs offer better maneuverability and steering during harsh winter weather, police say. There’s also increased visibility for both the officer behind the wheel and for citizens, who can more easily spot an SUV patrol cruiser.

“Everything is about being more visible to the public, and with the new black-and-white color scheme and the highly reflective striping on the sides, the Tahoes are easy to see and more recognizable as police vehicles,” Buffalo Police Commissioner Daniel Derenda said.

And the bigger SUVs also provide officers with an elevated perspective, allowing them to be more thorough in their patrols, Kujawa said.

“In a Tahoe, you can look down into a car beside you and check for guns or drugs or if a person is on the phone, texting or wearing a seat belt,” said the 29-year police veteran.
...



Double the fuel mileage!!!! HAHAHAHAHAAHA That what you tell your wife/mayor when you want a new vehicles
whistle.gif
!!!!! I could see a Crown Vic get 8 mpg or less during a shift. A Tahoe get double at almost 16 mpg during a shift?? NFW. Both vehicles get zero mpg during idling. Based on my work before, if you used the both identically the Tahoe gets about on average 3/4 mpg less than the Vic during patrol.

I just read the article noticed this “The Tahoe has eight cylinders, but when it’s parked, it idles on four cylinders. When on regular patrol, it runs on six cylinders, and in pursuits operates on all eight cylinders,” Makowski said. That is not how the GM DOD system works!!!! Again someone trying to sell someone on the deal. Sorry for getting this post off track


Could be, there was some controversy over not selecting the SHO (at least in part for the fleet, Buffalo does need some SUV's) as the car was still AWD and would presumably get better MPG...
 
Originally Posted By: Bgallagher
Originally Posted By: cb4017
I worked for a small municipal PD. We contracted with a local repair shop for our vehicle maintenance. Our Crown Vics got whatever bulk oil the repair shop used. I believe it was 15w40 but I'm not sure of the brand. Our cars went a lot of miles with no engine related problems. I've since retired but they are still driving a few of those Crown Vics.


Crown Vics can run on just about anything. I think the honest answer regarding PDs is they use whatever is the cheapest they can afford that isn't mandated by the state etc. Over all police fleets get the tar beat out of them and generally all run well. It really has more to do with the build quality of the vehicle versus the specific oils used. You can't tell me that the big manufacturers of fleet vehicles (Ford, Chevy etc.) aren't aware that their vehicles are going to be using everything from proper spec to Crisco in their engines.
Originally Posted By: Nickdfresh
There's a thread around here where someone states that the Massachusetts' Highway Patrol was using Mobil 1 0W-30 and/or 0W-20 AFE with good results...


That's correct. 2-3 years ago Mass state police did contract to XM to use M1 0-20 AFE in the crown Vics and other Ford vehicles.
 
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