OEM injector upgrade 2005 LQ4

[907spc]

anu recommendation on which injectors i should upgrade too? running BTR stage 3 truck cam kit, stock stall, intake , headers and custom side exit exhaust, blackbear tuned. im also about to pick up a fast LSXrt manifold later today. it has fuel rails so im looking for OEM injectors.... aftermarket will be a last resort. i was told at 5k rpm my injectors are running 100% duty cycle. what you think @05Single

 

[05Single]

Now I tag @Rocket Man or @Tonyrodz or @JennaBear
Cause I have no clue lol
Help a homie out guys

 

[Tonyrodz]

Now I tag @Rocket Man or @Tonyrodz or @JennaBear
Cause I have no clue lol
Help a homie out guys

Sorry, I have no clue. I'm pretty sure I'm at the limit of my stock injectors also. I also have the stage 3 cam, 3000 stall , long tubes and tune.

 

[05Single]

Wonder if the year matters ? 00-02 , 03-06?
Not sure if the fuel system changed at all

 

[JennaBear]

anu recommendation on which injectors i should upgrade too? running BTR stage 3 truck cam kit, stock stall, intake , headers and custom side exit exhaust, blackbear tuned. im also about to pick up a fast LSXrt manifold later today. it has fuel rails so im looking for OEM injectors.... aftermarket will be a last resort. i was told at 5k rpm my injectors are running 100% duty cycle. what you think @05Single

Shoot an email to the guys, they can recommend proper injectors for your set up and tune.

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[bottomline2000]

anu recommendation on which injectors i should upgrade too? running BTR stage 3 truck cam kit, stock stall, intake , headers and custom side exit exhaust, blackbear tuned. im also about to pick up a fast LSXrt manifold later today. it has fuel rails so im looking for OEM injectors.... aftermarket will be a last resort. i was told at 5k rpm my injectors are running 100% duty cycle. what you think @05Single

I'm running a similar setup as you engine wise with a Vinci Trucker cam in a 2002 lq4. I'm running 8.1L marine injectors. They are rated at 44lbs vs 25 or 28lb for stock. I think your injector connections are different. They are plug and play for my setup.

The stock truck intake is pretty close if not better than the fast intake down low and u are running a stock stall. Truck may feel slower down low afterwards.

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