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2020 High Country 6.2L Whipple Supercharger Build

AEmedic

By AEmedic
in Modifications, Wheels & Tires

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Descartian Enthusiast

Descartian

Posted
Posted

Anyone know what power the stock 5.3l is putting down with the whipple?  I’m thinking of taking the 5.3 out of my 2020 build and drop it in a Jeep JK. 

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AEmedic
AEmedic
darkhorse220
darkhorse220

Ya'll worry too much. A little annoying.    I'd deny my warranty if i was GM. I boosted intake pressure by 8lbs. Unlocked an ecm that was specifically hard to crack, and retuned parameters s

darkhorse220
darkhorse220

Havent heard anyone mention a cold air intake and a supercharger together. I installed the GM performance intake. I liked the rotofab and the afe, but with how the intake tube and the maf is mounted,

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darkhorse220 Enthusiast

darkhorse220

Posted
Posted
14 hours ago, Transient said:

My experience with superchargers and intakes is that a CAI will make a supercharger whine louder.  Is that the case here?

I was hoping for some increased whine as a secondary benefit, but i didnt notice much difference.

 

At idle and low rpm i have a slight noise that sounds like the tensioner. Hollow sounding "ting" ..... pause.... "hollow "ting".... pause .... repeat. Definitely seems like it'd be belt related, but could maybe be internal noise to the s/c compressor. Hasn't bothered me enough to dig into it. 

 

Once you start getting into the throttle a bit, or a lot, she screams though. An evil and simultaneously heavenly scream. 

Transient Senior Enthusiast

Transient

Posted
Posted
8 hours ago, darkhorse220 said:

I was hoping for some increased whine as a secondary benefit, but i didnt notice much difference.

 

At idle and low rpm i have a slight noise that sounds like the tensioner. Hollow sounding "ting" ..... pause.... "hollow "ting".... pause .... repeat. Definitely seems like it'd be belt related, but could maybe be internal noise to the s/c compressor. Hasn't bothered me enough to dig into it. 

 

Once you start getting into the throttle a bit, or a lot, she screams though. An evil and simultaneously heavenly scream. 

Anything that'll make her scream like that when you make her go is worth it, imo

  • Like 1
Whipped Trail Boss Enthusiast

Whipped Trail Boss

Posted
Posted
13 hours ago, Descartian said:

Anyone know what power the stock 5.3l is putting down with the whipple?  I’m thinking of taking the 5.3 out of my 2020 build and drop it in a Jeep JK. 

 

2020 chevrolet zz1 5.3l stock vs sc 91 5th gear 33 wheels_800.jpg

  • 1 year later...
Jeffnrivercity Enthusiast

Jeffnrivercity

Posted
Posted (edited)
On 6/22/2021 at 7:40 PM, darkhorse220 said:

Havent heard anyone mention a cold air intake and a supercharger together. I installed the GM performance intake. I liked the rotofab and the afe, but with how the intake tube and the maf is mounted, they would have required some customization. The GM is a direct fit, which is what i wanted. 

Definitely will improve airflow. Mainly installed as I'm looking to get a functional ram air hood evetually, at which point ill take the plastic top cover off. The hoods funnel air and dump right over the top of existing filter location.

 

 

20210622_221145.jpg

Was this an easy install, no mods to the intake tube?

Edited by Jeffnrivercity
fat fingered it
Bikerjon Enthusiast

Bikerjon

Posted
Posted

How are these superchargers holding up on your different trucks? Reliability issues? Was anyone able to unlock/tune the 10 speed controller?

AEmedic Enthusiast

AEmedic

Posted
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Posted
22 hours ago, Bikerjon said:

How are these superchargers holding up on your different trucks? Reliability issues? Was anyone able to unlock/tune the 10 speed controller?

I have had no reliability issues with the SC or related items at all.  The only issue I had was the high pressure fuel pump failing, but that is a common issue, apparently.  The canned tune isn’t the greatest, there is a little surging on acceleration and I have an issue where the cruise control will run away on hills with a load.  Generally, it is just awesome, though.

 I am going to have all of the DFM related items in the valve-train removed, replace the cam and have it custom tuned, as soon as I find someone I can trust to do it.

  • 5 months later...
AEmedic Enthusiast

AEmedic

Posted
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Posted
1 hour ago, Butch Peyton said:

Any updates on how yours is holding up in regards to trans and motor in general?

I have had no issues other than the high pressure fuel pump failure, which didn’t fail due to the SC.

  • 1 year later...
dbs1 Enthusiast

dbs1

Posted
Posted

I have a 2018 gmc 6.2 denalli 4wd that ate the cam so it got a tsp stage one cam to go with the LT’s, cai and 6th gen whipple 3.0 sc.  install was way more then expected as tuning both the engine and trans was a momma and I needed to install a high flow fuel pump as well as lt4 injectors.  Although faster it only ran 135+ in the 1/2 mile.  Was scheduled to get it to the 1/4 mile this Saturday but the rear diff blew up and apparently the 3.73 gears I had installed over 30k miles ago are out of warranty.

Dyno showed almost 600 whp.  May not get it back to the drag strip till fall of 25 and let it sit for a few months as the 900hp 69 Camaro has run substantially over budget😢

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