LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

ls1 painless harness ecm?

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Old

Jul 13, 2005 | 05:13 PM

#1

Thread Starter

Senior Member

Joined: May 2003

Posts: 987

Likes: 0

From: Houston-katy

Car: 1986 Irocz- Houstons Fastest Street

Engine: 408 LS1 w/ 2 stage

Transmission: Turbo 350

Axle/Gears: 3:73,3850 lbs , best of 9.92 @ 138

ls1 painless harness ecm?

on the instructions for the painless harness it asks for a specific ecm part #, does anyone know what the differance is from a regular ecm. anyone used the painless? was there any tricks?

Old

Jul 14, 2005 | 01:20 PM

#2

Supreme Member

Joined: May 2000

Posts: 2,963

Likes: 3

Car: 1982 Z28

Engine: LS1

Transmission: T56

They use the '98 PCM, so specify that model year replacement.

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