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How do you elimate egr and all smog stuff on a 1991 Z28?

Updated: 8/17/2019
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15y ago

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You'll need to eliminate all of the computer controls, sensors, automatic transmission controls and sensors (which means changing to an older style automatic transmission), convert to a conventional fuel pump (eliminate the high pressure pump in the tank), replace the intake manifold to get rid of the EGR valve, replace the throttle body with a carburetor, replace the distributor changing out the HEI for an after-market that fits an older engine...

And when you're finished you won't get very good fuel economy and the power output will drop.

UNLESS:

you completely go through the engine to raise compression & change out the cam... but then, you'll be buying premium fuel all the time.

I'm sure I'm forgetting something.

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Q: How do you elimate egr and all smog stuff on a 1991 Z28?
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