Lq4 cuts out at wot around 5,000rpm

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Craig0809

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Iam new to the ls and did my first rebuild parts are forged bottom end +4cc domes ss2 cam pac springs stock intake and throttle body and 80 lb injectors at 43psi from snake eater motor runs like a champ until get to around or over 5.000 rpm then cuts out could it be the fuel pump I have a kemso 340 to put in the tank any information would be big help
 

Fless

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Welcome to the forum from sunny Colorado!

Post up some pics, what your truck body is, and please use some punctuation for clarity. ;)
 

Miami-Dade

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Welcome from Miami!

Please say exactly what you own so it can go in the proper section.

Moved it to this location for right now.
 

OR VietVet

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Welcome to the forum from sunny Colorado!

Post up some pics, what your truck body is, and please use some punctuation for clarity. ;)
You beat me to it. I got lost after the first line.

I do welcome him/her to the forum though.
 

Joseph Garcia

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Welcome to the Forum from NH.

Lots of knowledgeable folks here who freely share their knowledge, experiences, and perspectives. Knowledge is power.

I hope that you will become a participating member in the Forum's discussions.

Pics of the truck, please.

Is there an auto rev limiter on the model year?
 

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