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new walbro 450

Posted: Fri Jul 31, 2015 9:17 pm
by oksdesigns
installed the new walbro fuel pump and -6 lines
my afr has been thrown off completely from idle to wot
is that common with upgraded fuel system

Re: new walbro 450

Posted: Mon Aug 03, 2015 9:22 am
by Spunkster
Yes you will need to retune.