Duramax Diesels Forum Truck of the Week
  #1  
Old 11-21-2017, 11:15 AM
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Default Cadillac ATS

What are you guys thoughts on these. The girlfriend is ready for a new ride and has her eyes on these. Told her the only way we were getting one was in AWD. any engine options to stay away from? Or other none issues. I don’t believe she’ll be happy with a car. She’s drove two different Yukon Denalis over the last 8 years. So this is a big change for her.
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Old 11-21-2017, 11:29 AM
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ATs is a fun whip. DI so you'll want a catch can. Not sure about the particulars
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Old 11-21-2017, 11:31 AM
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Get ahold of LBZrks. I think he has one for sale.
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Old 11-21-2017, 11:58 AM
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Thanks mike
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Old 11-21-2017, 05:41 PM
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Well change of plans. Went and test drove the ATS. She doesn’t think she can make the switch to a car. So we found a 16 Yukon with a 5.3. Talked her out of another Denali as the trim packages are basically the same. The major difference being 6.2 L and The eight speed transmission. Literally no need for the 6.2 as anything we haul will use my truck. The 5.3 is pretty basic and proven motor. So my question is is there anything quick and easy I can do to improve the mileage a little. This has always been the biggest complaint about her Denali. Not so much the miles per gallon. More the size of the tank and how frequently she must stop and fill it up. She’s pretty sure her time is the most valuable on the planet and it’s an annoyance to her to have to stop and fill her tank LOL
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diamond eye down pipe
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Old 11-21-2017, 06:10 PM
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I was going to say ATS and Buick regal share the same chassis


tune/intake/exhaust. be my route
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Old 11-21-2017, 08:18 PM
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Quote:
Originally Posted by beach_33 View Post
Well change of plans. Went and test drove the ATS. She doesn’t think she can make the switch to a car. So we found a 16 Yukon with a 5.3. Talked her out of another Denali as the trim packages are basically the same. The major difference being 6.2 L and The eight speed transmission. Literally no need for the 6.2 as anything we haul will use my truck. The 5.3 is pretty basic and proven motor. So my question is is there anything quick and easy I can do to improve the mileage a little. This has always been the biggest complaint about her Denali. Not so much the miles per gallon. More the size of the tank and how frequently she must stop and fill it up. She’s pretty sure her time is the most valuable on the planet and it’s an annoyance to her to have to stop and fill her tank LOL


What was her last vehicle? My wife drives a 16 Tahoe with an active fuel 5.3. It gets 21-23 mpg on the highway. And 16-18 driving around town. She doesn't have to fill up very often.


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Old 11-21-2017, 08:53 PM
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Quote:
Originally Posted by IOWA LLY View Post
What was her last vehicle? My wife drives a 16 Tahoe with an active fuel 5.3. It gets 21-23 mpg on the highway. And 16-18 driving around town. She doesn't have to fill up very often.


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She’s been driving an 08 Denali for the last 5-6 years. Probably gets 16-18 mpg on the highway. The Yukon we are looking at has active fuel as well. The problem is she doesn’t want to get out of bed 10 min early to stop at the gas station at the end of our street lol
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68mm cheetah
fleece modded regulator
diamond eye down pipe
bd manifold
airdog 150
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fleece sc stage 4 . thanks again brayden

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Old 11-22-2017, 06:58 AM
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Quote:
Originally Posted by beach_33 View Post
She’s been driving an 08 Denali for the last 5-6 years. Probably gets 16-18 mpg on the highway. The Yukon we are looking at has active fuel as well. The problem is she doesn’t want to get out of bed 10 min early to stop at the gas station at the end of our street lol
We get the same with our Tahoe 17 hwy and 11city maybe.

I used to get onto my wife every time I got in her Tahoe and it had less then 1/4 of a tank. Drove me nuts since its hard on the fuel pump and I like to have vehicals full for emergencies. Now since all of her trips are to and from school/work with the kids every weekend on one of my errands I fill it up for her. It gives me a chance to look it over for damage as well as repairs that need to be made to.

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Old 11-22-2017, 07:46 AM
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Quote:
Originally Posted by beach_33 View Post
This has always been the biggest complaint about her Denali. Not so much the miles per gallon. More the size of the tank and how frequently she must stop and fill it up. She’s pretty sure her time is the most valuable on the planet and it’s an annoyance to her to have to stop and fill her tank LOL
I remember seeing something about this service a few months back. I'm not sure if they have it where you live, but she sounds like the type of person that might be willing to pay the extra money to use the service. https://www.trybooster.com/
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Old 11-22-2017, 07:47 AM
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Originally Posted by Dozerboy View Post
We get the same with our Tahoe 17 hwy and 11city maybe.

I used to get onto my wife every time I got in her Tahoe and it had less then 1/4 of a tank. Drove me nuts since its hard on the fuel pump and I like to have vehicals full for emergencies. Now since all of her trips are to and from school/work with the kids every weekend on one of my errands I fill it up for her. It gives me a chance to look it over for damage as well as repairs that need to be made to.

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I generally do the same as you when I home. I travel for work though and can be gone for a couple months at a time. She just needs to get her ass out of bed 10 min earlier or stop on the way home lol
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68mm cheetah
fleece modded regulator
diamond eye down pipe
bd manifold
airdog 150
custom 5in pipe to 6in powdercoated stack
fleece sc stage 4 . thanks again brayden

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  #12  
Old 11-22-2017, 07:54 AM
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In my 2014 1500 5.3, I disabled AFM via tune and bumped timing a bit and gained 1mpg. I'd def put a catch can on there as well.

For custom tubes there is black bear performance or diablew. Both offer a nice custom job for less than $500. Driveability is way enhanced
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Old 11-22-2017, 07:56 AM
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I spent quite of a bit if time tinkering with mine if you want any tips/tricks on the 1500
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Old 11-22-2017, 09:08 AM
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Quote:
Originally Posted by oscyjack View Post
In my 2014 1500 5.3, I disabled AFM via tune and bumped timing a bit and gained 1mpg. I'd def put a catch can on there as well.

For custom tubes there is black bear performance or diablew. Both offer a nice custom job for less than $500. Driveability is way enhanced
I guess someone is going to have to explain what catch can they are talking about.
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68mm cheetah
fleece modded regulator
diamond eye down pipe
bd manifold
airdog 150
custom 5in pipe to 6in powdercoated stack
fleece sc stage 4 . thanks again brayden

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Old 11-22-2017, 09:38 AM
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It's the gas version of ccv re route.

Plumbs in pre intake. The new motors are DI
And it helps reduce intake coking. I had to walnut blast mine around 20k miles, put that on and the vavlves were still clean when I sold it 20k miles later
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