1989 7.4L Chevy

What enhancers would I need with the D7 kit for my 1989 Chevy 454 with throttle body injection? It only has one O2 sensor in the drivers side exhaust manifold.

Comments for 1989 7.4L Chevy

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Response From
by: Hydrogen-Generators-USA.com

Thank you for your interest in our products.

For your 1989 Chevy 454 the right EFIE is a Narrow Band, you can still get one of our Dual Digital EFIEs.
We are discontinuing them soon and will only carry the Quad Digital EFIEs which may be a better choice if you ever want to use it on another vehicle with more oxygen sensors.

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