I just finished a TBI install on my 1986 C20 454 and it runs awesome ! no problems at all, great set up,I also purchased one for my 1951 3100 350 and im the middle of finding a gas tank "91 blazer" with the in tank pump that installs under the bed all I got to figuer out is how to install the filler neck
check these guys out they are truly the best they also sell TPI and multi port
http://www.afordable-fuel-injection.com
Good luck
Todd
(Im getting about 16 to 19 miles per gallon with a 454 !!)

Some people are like Slinkies, Their not really good for nothing... But they still bring a smile to your face when you push them down the stairs.

1951 3100 350 TBI Gallery Toddzilla... "$old"