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Wisher Performance

@wisherperformance

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General Motors and Aftermarket ECU Calibration/Software Specialist
Email: [email protected]

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AuxJection for the LT4 is officially live!

If you’re pushing the limits of your factory DI system but don't want to commit to a full port-injection conversion, this is the gap-filler. It integrates directly with the factory ECU to drive a pair of added injectors located in-between the throttle body and supercharger snout as if they were there from the factory. This is all possible due to our own custom operating system that will be provided to you after receiving the kit.

Everything you need—the AuxJection billet assembly with injectors, plug-and-play harness and fuel lines/fittings—is in the kit.

The video below gives a quick run down of the system and how it works.

For more details and pricing, visit our AuxJection product page linked in our bio.

**Limited quantity available. Expect 2-3 week wait times while production is ramping up if you miss out on the initial available kits.**

#auxjection #wisherperformance #camarozl1 #lt4 #supercharged #boosted #lsx #fueling #forcedinduction #flexfuel #e85 #aftermarket #tuning #ecu #horsepower by @wisherperformance

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7 months ago

If automotive performance is more than just a business to you, we’d love to hear from you!

We’re not just looking for dealers. We’re looking for businesses that share our passion for the automotive industry and take pride in the products they stand behind.

As Wisher Performance continues to grow, we’re excited to announce the expansion of our Authorized Dealer Network!

We’re now accepting U.S. and International dealer applications from qualified performance shops, tuners, and automotive parts retailers interested in offering our AuxJection supplemental fueling systems.

If your business shares our commitment to quality, innovation, and performance, we invite you to review our dealer terms and submit an application!

U.S. Dealer Application:
https://www.wisherperformance.com/pages/dealer-application

International Dealer Application:
https://www.wisherperformance.com/pages/international-dealer-application

All applications are subject to review and approval.

#WisherPerformance #AuxJection #AuthorizedDealers by @wisherperformance

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3 days ago

We recently had the opportunity to work with @lonestar_hawaiian, who put together an installation video featuring our AuxJection | Whipple 3.0 Truck/SUV Kit.

If you’ve been curious about the installation process, this is a great opportunity to see what goes into getting AuxJection installed on a Whipple equipped truck.

Stay tuned into his channel to see AuxJection in action.

Huge thanks again, for taking the time to put this together!

https://youtu.be/QW3Nx204Q-Y?si=buwV_6EI2z4MI1zO&t=508 by @wisherperformance

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5 days ago

TESLA PLAIDS ARE FASTER - yes we know 🫩

9.38 @ 151.2 MPH for the Wisher Performance CT5-V Blackwing this past weekend at the Hole Shot Media Muncie Dragway track rental. 😎

Same combination as our previous outing:
• Wisher Performance AuxJection
• Whipple Gen 6 3.0L supercharger
• 9.2 lower / 3.25 upper pulley
• 103mm throttle body
• JLT 5” intake
• 2” long-tube headers
• 76% ethanol content
• 525 LPH external low-side pump
• ECM / TCM tune
• 18” rear wheels
• 325 Mickey Thompson ET Street R

This combination produced 936 WHP / 939 TQ on a completely stock sealed LT4 engine.

The only changes from our previous outing were the addition of the Hex2HP launch limiter and some additional work getting the 10 speed hitting every shift right where it needed to.

The launch limiter worked incredibly well and sounds absolutely insane. Ryan also helped us get the transmission dialed in, which you can hear in the video.

We slowly crept up on launch RPM throughout the event and are confident there’s still a decent amount left in the 60ft through the 1/8-mile with this exact setup.
We’re hoping to see a 9.1x to 9.2x in a couple weeks at the next event.

Time slip in the comments.

Special thanks to Fine Tooth Auto Detailing for getting the car ceramic coated and looking right on very short notice.

📹: Mitchell Taskey / Nycole Wisher

#AuxJection #WisherPerformance #Blackwing #Cadillac #Supercharged #DragRacing #Boosted #Cars taken in Muncie Dragway by @wisherperformance

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9 days ago

“AUXJECTION WILL DAMAGE YOUR BLOWER AND ROTORS!”

We’ve heard that one more than a few times.

The original AuxJection test mule ZL1 came back to have an X-Port blower swapped onto it, which gave us the perfect opportunity to inspect the rotors.

After roughly a year and a half of running AuxJection, the rotor coating is still intact with no abnormal wear.

This is exactly why we continue inspecting, testing, and following these cars long after the initial development work is finished.

We can argue theories all day, but we’d rather keep looking at the actual results and let them speak for themselves.

#WisherPerformance #AuxJection #ZL1 #Camaro #Supercharged #E85 #carsofinstagram by @wisherperformance

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18 days ago

Oh, look at that … the book is empty.

Our shelves aren’t -
All AuxJection systems are in stock and ready to ship.

What platform are you waiting to see AuxJection on? 👀

#AuxJection #WisherPerformance by @wisherperformance

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19 days ago

📢 𝗠𝗼𝗻𝗱𝗮𝘆 𝗥𝗲𝘀𝘁𝗼𝗰𝗸 📢

☑️ 𝗔𝘂𝘅𝗝𝗲𝗰𝘁𝗶𝗼𝗻 𝗞𝗶𝘁𝘀: 𝗥𝗲𝘀𝘁𝗼𝗰𝗸𝗲𝗱
• LT4 Stock Supercharger
• LT1 & LT4 Magnuson 2650
• Cadillac CT5-V Blackwing
• Whipple 3.0 Truck & SUV

🆕 𝗪𝗶𝘀𝗵𝗲𝗿 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗟𝗼𝗴𝗼 𝗛𝗮𝘁: 𝗝𝘂𝘀𝘁 𝗱𝗿𝗼𝗽𝗽𝗲𝗱
• Black & Charcoal/Black
• Flexfit

☑️ 𝗪𝗶𝘀𝗵𝗲𝗿 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗟𝗼𝗴𝗼 𝗧𝗲𝗲: 𝗥𝗲𝘀𝘁𝗼𝗰𝗸𝗲𝗱
• Dri-Fit & Cotton
• Black, Gray, & Red

🔥 𝗕𝗼𝗻𝘂𝘀 - 𝗚𝗼𝘁 𝗙𝘂𝗲𝗹? 𝗧𝗲𝗲: 𝗟𝗶𝗺𝗶𝘁𝗲𝗱 𝗥𝗲𝘀𝘁𝗼𝗰𝗸
• Camaro ZL1 & Corvette Z06
• Once these are gone, they will not be restocked.

#WisherPerformance #Camaro #Corvette #Cadillac #Trucks by @wisherperformance

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24 days ago

🔵 CORVETTE Z06 🔵

Back in for MORE POWER with our Full E85 Package 💪🏼

🔥 NO CAM — STOCK CAM SETUP
⚡ Kong X-Port Ported Blower
⚡ 2.3 Upper Pulley
⚡ Full E85 Setup
⚡ 700+ WHP

No cam needed to wake these Z06s up. This is a perfect setup for anyone looking to take their Corvette to the next level while keeping the combination simple. 🏁

700+ WHP on E85 with the stock cam!

📍 JRS PERFORMANCE
DM us to get your Corvette scheduled. by @wisherperformance

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24 days ago

9.47 @ 150 MPH on our 2022 CT5-V Blackwing with a factory sealed, internally STOCK engine. 😮‍💨😮‍💨😮‍💨

After finding the limit of the stock low-side fuel system with our Kong X-Port setup, it was time to step the combination up again and take it back to the track.

Our current 2022 CT5-V Blackwing setup:

• Wisher Performance AuxJection
• Whipple Gen 6 3.0L supercharger
• 9.2 lower / 3.25 upper pulley
• 103mm throttle body
• JLT 5” intake
• 2” long-tube headers
• 74% ethanol
• 525 LPH external low-side pump
• ECM / TCM tune

Also worth noting:

• 18” rear wheels
• 325 Mickey Thompson ET Street R
• 4,600 lb race weight

With the Whipple-supplied 3.75 upper pulley and the same 9.2 lower, this setup previously made:

858 WHP / 830 WTQ

For the track, we stepped down to a 3.25 upper pulley and have not put this exact combination back on the dyno yet.

But a 9.47 @ 150 MPH quarter-mile pass gives us a pretty good look at what the current combination is capable of.

We’ll have updated dyno numbers with the 3.25 upper soon.

For now, seeing a 4,600 lb Blackwing with a factory sealed engine run a 9.47 at 150 MPH is a pretty solid way to validate what this AuxJection equipped combination can do outside of the dyno room.

Time slip in the comments on Facebook if interested.

Special thanks to @munciedragway for giving us a killer surface to make some passes on, and to the @hole_shot_media crew for continuing to put on awesome street car events every month.

📹: @caleb_caliberspeed

#AuxJection #WisherPerformance #Whipple #WhippleSuperchargers #Boosted #Supercharged #DragRace #Cadillac #CT5VBlackwing #carsofinstagram #car taken in Muncie Dragway by @wisherperformance

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2 months ago

Listen to this X-Port scream its way to 784 WHP, where the stock low-side fuel system finally told us “enough.”

After our first setup made 699 WHP / 736 WTQ, we still hadn’t pushed the stock low-side fuel system far enough to find its limit.

For the next setup, we kept the same supporting combination:

• Wisher Performance AuxJection
• 103mm throttle body
• JLT 5” intake
• 76% ethanol
• ECM tune
• Stock low-side fuel system

From there, we changed the blower and pulley combination to:

• Kong X-Port LT4 supercharger
• ATI balancer with 9.2 lower pulley
• 2.3 upper pulley

The pulley change was intentional.

The 2.175 upper pulley we used previously is more prone to belt slip. With the stock lower pulley, that combination spins the supercharger at about 3.68x crankshaft RPM.

Moving to the 9.2 lower with a 2.3 upper gave us better belt wrap while increasing that ratio to 4.0x crankshaft RPM.

With the X-Port added and the new pulley combination, the Blackwing made:

784 WHP / 758 WTQ

And this time, we finally found the limit we were looking for.

At 784 WHP, low-side fuel pressure was dropping to around 40 psi, while AuxJection injector duty cycle climbed to over 90%.

That is not an operating point we recommend for customers.

Once injector utilization gets that high, there is not enough headroom left to safely add fuel if conditions change. Something as simple as a slight voltage drop can reduce fuel-pump flow even further.

So we stopped there.

Not because the blower was done making power, but because the stock low-side fuel system was finally out of capacity.

This stage of testing gave us a much clearer picture of where the factory low side becomes the limiting factor as power and fuel demand continue to increase.

We also did some additional boost-control testing during this setup, but we’ll save more on that for another time. 👀

#auxjection #wisherperformance #cadillac #supercharged #Kong #horsepower #boosted by @wisherperformance

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2 months ago

Why start with the smallest upper pulley, E76, and the stock low-side fuel system? 👀

Our first round of Blackwing testing wasn’t just about seeing what number we could put on the dyno. We intentionally wanted to push fuel demand and find out where the factory low-side system would start becoming the limitation. As it turned out, there was more left in the factory system than we initially thought.

This setup was:

• Wisher Performance AuxJection
• 103mm throttle body
• JLT 5” intake
• 2.175 upper pulley, the smallest available
• 76% ethanol
• ECM tune
• Stock low-side fuel system
• Stock LT4 Supercharger

That combination made 699 WHP / 736 WTQ, up from the completely bone-stock baseline of 601 WHP / 629 WTQ.

The smaller upper pulley increased blower speed and airflow, while E76 increased the amount of fuel the combination demanded. We intentionally left the factory low-side system in place to see how far we could push it.

During track testing, low-side fuel pressure eventually dropped to around 45 psi down track. As pressure dropped, AuxJection’s pressure compensation worked alongside the factory Global B wideband control to keep delivered fueling in check.

That testing led us to make changes to the factory fuel-pump control strategy. After updating it, we were able to maintain over 60 psi of low-side pressure at 700 WHP, compared to around 45 psi with stock control. That updated strategy is now included by default in the Global B AuxJection file written to the ECU.

This first setup wasn’t about building the highest-horsepower Blackwing possible. It was about putting AuxJection in a demanding real-world situation, finding the limitations, and using what we learned to improve the system.

And yes, we kept pushing it from there. 😎

#WisherPerformance #AuxJection #ct5vblackwing #cadillac #dragracing by @wisherperformance

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2 months ago

From 601 WHP bone stock to 857 WHP 🫨

When we started testing our 2022 CT5-V Blackwing, it made 601 WHP / 629 WTQ completely bone stock.

From there, we continued changing the combination and testing AuxJection as the car progressed.

Bone Stock | 601 WHP / 629 WTQ

Stock Blower + AuxJection | 699 WHP / 736 WTQ
• Wisher Performance AuxJection
• 103mm throttle body
• JLT 5” intake
• 2.175 upper pulley
• 76% ethanol
• ECM tune
• Stock low-side fuel system

Kong X-Port | 784 WHP / 758 WTQ
• Kong X-Port stock LT4 supercharger
• ATI balancer with 9.2 lower pulley
• 2.3 upper pulley

Boost control was also being tested during this run, which is why the Kong X-Port curve looks a little different from the others.

Whipple 3.0 | 857 WHP / 829 WTQ
• Whipple Gen 6 3.0L supercharger
• 3.75 upper pulley
• Long-tube headers
• 525 LPH low-side pump

At 857 WHP / 829 WTQ, AuxJection injector utilization was only 78%.

From a completely bone stock Blackwing to the current Whipple setup, AuxJection has been along for the entire progression as we’ve continued pushing the combination further.

The CT5-V Blackwing AuxJection System is now available

#WisherPerformance #AuxJection #CT5VBlackwing #Blackwing #Cadillac #LT4 #Supercharged #carsogram by @wisherperformance

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2 months ago