LS Swap Wiring Harness: Stock vs. Standalone, and What It Means for Your Tune
The wiring harness is the part of an LS swap that scares people the most. A fact...
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Practical write-ups from the tuning bench at Midgard Industries in Longview, Texas. We cover what it takes to get a swapped LS engine started and driving right: choosing between a P01 and P59 PCM, what VATS removal actually does, injector and MAP setup, cam idle tuning, and transmission configuration. Most articles start from a question a customer asked before ordering a tune.
Ready for a calibration? See the mail-in LS swap base tune, the LS VATS delete service, LS speed density tuning, or our P01 vs P59 LS ECU guide. Running aftermarket EFI? We also do Holley EFI tuning, ACES EFI tuning, and HP Tuners tuning.
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Mail-In Service · From $100
Don't want to tune it yourself?
Mail in your P01/P59 and get a VATS-deleted, swap-ready base tune for $100. Typical turnaround is 1-2 business days after the ECU is received.
