Do headers tend to make your a/f richer or leaner? Since the cam swap and retune im a 10.0 wot, i dont know if im shooting to much meth or what? What will i see after header install, before i get another retune?
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Do headers tend to make your a/f richer or leaner? Since the cam swap and retune im a 10.0 wot, i dont know if im shooting to much meth or what? What will i see after header install, before i get another retune?
I think youll be a tad lean.
you should go leaner when u put the headers on .so wait ,to make any adjustments if youre at 10.0 youlle probly go up to 11or more.mine did
you may have some bad 02 sensors or you need the after cat sensors moved up to the front. I use the rear O2 sensors from a Corvette in mind.
Could I use o2s out of a Vett in mine? 2000 gmc 5.3
check the shape of the connectors. They may not be the same. You can repin the Vette wiring into your connector if they're both the same type/sex of connector.