Quote:
Originally Posted by 62posbonny
For what it's worth, I have an LQ9 in my 71 Cutlass running on the stock ECM, and if I were to do the swap again today I would go Holley Terminator X without question. I have paid more than the cost of the Terminator between an aftermarket harness and multiple dyno tunes to get it right, and don't have the time to dedicate to learning HP Tuners.
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I modified a factory harness for my transplant. Removed all the trans, a/c, etc. wires and rerouted it to make it cleaner. I'm also using the factory PCM. I bought HPTuner kit. I've learned a lot. Modified my GTO and truck programs. But tuning VE map and timing is a lot more complicated than I thought it would be. I'm thinking that I'll switch to Holley system when I upgrade from the 5.3. I also need to get a wideband gauge.