CAn I down grade my frod F100 to a 4.9 L from a 6.6 L? on 1990 Ford F-150

I have a Ford F100 with a 6.6 L

by in Porterville, CA on January 25, 2013
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1 answer 2 comments
ANSWER by , January 25, 2013
sure can if you have a boat load of money and time
COMMENT by , January 25, 2013
Thank you for your reply. Are there any steps or proper notifications that I need to do through DMV or anyone? Will this affect smog?
COMMENT by , January 28, 2013
yes it will be a visit to the BAR or referee station to get whats called a new bar label. this maye your worst nightmare of your life.