Lateral-g Forums - Crate LSX454 surging at low RPMs

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pimlico

05-30-2015 09:24 PM

Crate LSX454 surging at low RPMs

Anyone else here running a crate LSX454 with LS7 intake from Jegs?

Noticed mine is surging at low RPMs.

Did you have to tune yours?

waynieZ

05-31-2015 12:54 PM

I'm no LS mechanic but I've read that some big cams or larger throttle bodies can cause surging that can be tuned out.

canrc

05-31-2015 10:05 PM

I had a similar issue due to my cam and after consulting many, I was told that I would have to live with it because of the factory ecu -- I went with the Holley setup and now the surge is gone.

pimlico

06-01-2015 06:55 PM

Did you have a crate LSX454?

Who did you get to sort out the tuning with the Holley setup? Did you use the dominator? Was it an easy fix?

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