[03mustangmw]

Does anyone know if the stock fuel pump will supply enough fuel for a 150 hp wet shot on a 2003 mustang 4.6. I am already spraying 100hp easily, but aren't sure about bumping to the 150???

[tourangeau]

i did 125 with -4 deg of timing(not sure have to check my chart) and 93 octane all summer on a 99 gt
work fine so far

[RLG34750]

when spraying above a 100 i would advice upgrading the fuel system.....

fuel pumps are a lot cheaper than pistons....

[tourangeau]

buy a wideband you see live if you lean out easy to install like a O2 sensor give you live the air/fuel ratio