M moll88 Member : 08.5 mazdaspeed Feb 17, 2009 #1 what do you guys think, i want to boost like 18 or 19 and i dont feel safe running on the stock fuel system. do u think i would be fine with just upgraded injectors or do i need the fuel pump to ? thanks
what do you guys think, i want to boost like 18 or 19 and i dont feel safe running on the stock fuel system. do u think i would be fine with just upgraded injectors or do i need the fuel pump to ? thanks
S speed3driver Member : 07' Mazdaspeed 3 Feb 17, 2009 #2 The injectors are fine.. fuel pump might help.. but i'd say just get a tune over both
H H3br3w_Ham3r Member : 2008 Mazdaspeed3 Feb 17, 2009 #3 speed3driver said: The injectors are fine.. fuel pump might help.. but i'd say just get a tune over both Click to expand... Coming from someone who already has the upgraded spark plugs.... Just try the plus first since they are way cheaper. If not the fuel pump will be even better with the upgraded spark plugs.
speed3driver said: The injectors are fine.. fuel pump might help.. but i'd say just get a tune over both Click to expand... Coming from someone who already has the upgraded spark plugs.... Just try the plus first since they are way cheaper. If not the fuel pump will be even better with the upgraded spark plugs.
