Did you have make major modifications to complete the conversion? The mechanic who suggested this said that I may have to change the ignition system since the computer could be effected by disconnecting the vacuum lines. Is this the type of carburetor you are suggesting:

http://www.amazon.com/gp/product/B000JLK...RPQH62BCDRBB72B

Can you suggest someone in OP that can install this for me?