2002 xr8 running lean

bamz1, Jan 4, 8:49pm
start my ford, idles fine for 60 seconds, then revs climb to 1200 1500 rpm, then headers start glowing red, its running lean but why, any one know why!

flashgordon_nz, Jan 4, 9:11pm
AU3! are the headers recently fitted!

bamz1, Jan 4, 10:55pm
no, pacemker headers, new engine, 347 stroker, dart heads, larger cam, stock injection

bamz1, Jan 4, 10:56pm
au3

mrcat1, Jan 4, 10:56pm
stock injection!

marmatt, Jan 5, 5:29am
hahaha stock injection get a tune done or it will be a new engine , is there any air leaks !

franc123, Jan 5, 8:13am
You didn't think in all honesty that you could molest the engine to that extent and it would run properly with an unmodified EFI system did you!I'd say Mr Computer isn't liking your combo of mods, especially the cam.

rbjz, Jan 5, 5:09pm
timing to retarded!

unbeatabull, Jan 5, 5:14pm
Bigger injectors and ECU Re-map/Tune.

bellky, Aug 14, 9:15am
^^ my guess too - vacuum leak!