Anybody ever done it? The stock Fiero harness is fairly self contained. The only thing I can think of that you'd need that's not in the engine harness is the VSS to gauge cluster to ECM wiring.
Anything obvious I'm forgetting? I haven't looked at the wiring diagrams yet.
I need to do some ECM tuning and I'm working out a comparison between this, the road dyno, and the chassis dyno. Ease, time, cost, etc.
I'm currently economically limited to the stock ECM, or at least a GM ECM, which means I'll be burning chips.
2.8
Fiero 2.8 on an engine dyno
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Doug Chase
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Re: Fiero 2.8 on an engine dyno
Does the VSS even matter? The engine won't have a transmission attached if it's bolted to an engine dyno.2.8 wrote:The stock Fiero harness is fairly self contained. The only thing I can think of that you'd need that's not in the engine harness is the VSS to gauge cluster to ECM wiring.
I wonder if the computer will care if this is missing? I'll have to go back through the stuff I have but I think some of the logic controlling decel fuel cutoff is wheel speed related. I don't know if DFCO is something you care about or not.