h2omelon

Will 24lb injectors hurt my performance in a stock motor? I am installing a Trick Flow street heat intake manifold and have set of 24lb injectors and a 75mm mass air I purchased for later. I figured while I was installing the intake I would put them in as well. I already have a 70mm throttlebody,underdrive pulleys,equal length shorties,off road h pipe,flowmaster cat back,bbk cai,e-fan,tremec 3550,and aluminum drive shaft. I just want to know if they will be ok with these mods. Thanks

Alero99

gonna have to adjust your MAF to work with 24lbers

but no performance will not be hurt, it will just leave you more room for growth

somedudeboy

IF your MAF is properly calibrated for the injector size AND your ecu, then you'll be just fine.
No further changes to the MAF will be needed.

h2omelon

The new mass air is calibrated for 24lb injectors.

silver91gt

speaking from experience, it will make you slower on a stock motor, unless you have an adjustable fuel pressure regulator.
stock 19# injectors are good to around 300hp.

when I had a stock longblock, an edelbrock intake, and a B-303 cam I had to lower my fuel pressure to only 29psi to get an air/fuel of 13.5-1 with 24# injectors.

mjr46

putting them in now will leave room for growth latter

fordboyyfm

might as well go ahead and get a cam too since youll have the the manifold off to replace it!