Suggested Tune After Upgrades

ThatGuyMort

New Member
Oct 3, 2017
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I recently purchased a 1994 Mustang Gt. Has cobra intake and after a little digging realized it has GT40 heads. It's auto with ratchet and while sitting at a stop light noticed oil pressure drop(stock gauge). Was able to find a small amount of oil on the the back side of block passenger side right by lower intake manifold/corner of head. Replace lower manifold gasket, used rtv front and back, oil leak fixed, upgraded injectors to 24's, replaced pcv valve and buttoned everything back up. Still have stock MAF on the cold air intake. Looking for suggestions for tuning(hand held vs professional) and any other upgrade suggestions for current upgrades. Thanks!
 
The only thing you have that 'might' benefit from a tune is the 24 lb injectors. If it were me, I'd put the 19s back in until I had mods that necessitated larger injectors.
 
Stock MAF with 24's won't work. Either find a MAF calibrated for the 24's, have a custom chip burned for the 24's, or just stick the 19's back on. You are still within the range that 19's will provide a good amount of fuel for.
 
Stick the 19# injectors back in. The 24's will not benefit you as you do not have enough HP to really "need" that big of injector. If you ever decide to get some aluminum heads, custom cam, etc then a tune or stand alone ECU like MSPNP or Stinger PIMP will greatly benefit you.