LS3 Fuel From LQ9 Tank Hookup
04-12-2012, 08:42 AM
#1
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LS3 Fuel From LQ9 Tank Hookup I am down to figuring out how to fuel the LS3 from the 2003 Siverado SS LQ9 Tank currently in the truck all lines are still there from the LQ9 going up to Engine l noticed the LS3 has only one line going into the fuel rail any help on where to start or what to do parts ect would be greatly apreciated?
04-12-2012, 09:31 AM
#2
The LQ9 probably had a fuel regulator on the rail. The LS3 rail is returnless. You can use an 02 corvette regulator/filter from the original pressure line. It will have a 3/8" outlet to the rail and a 5/16" return line to hook up to your original return.
