Here's what I did to my 85 firebird...
1.) Install painless wiring kit # 60109 into the tranny (if automatic).
2.) Ditch crappy CCC and intake and install Edelbrock performer RPM Intake and Edlebrock 750 cfm carb.
3.) Pull dash apart and remove check engine light bulb.
4.) Unplug computer
5.) Ditch crappy 305 and install 400
1.) Install painless wiring kit # 60109 into the tranny (if automatic).
2.) Ditch crappy CCC and intake and install Edelbrock performer RPM Intake and Edlebrock 750 cfm carb.
3.) Pull dash apart and remove check engine light bulb.
4.) Unplug computer
5.) Ditch crappy 305 and install 400
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