I was just wondering why everybody runs secondary injectors vice larger primary injectors. Are there not bigger injectors available? Is it a tuning nightmare? I am looking at installing a stage 1 RCC kit this winter. I would like to stay at 6lbs only looking to make 230-240. But im sure the following winter i will probally wanna kick it up a notch (BAM!) sorry that was lame. So if my ultimate goal is just 300 on a built motor in a year should i just go with the stage 2 kit w/ secondaries or will bigger injectors get me there? Also anyone with this kit do you have a second fan? I live down town and am getting ready to install a second fan as it gets hot sitting in traffic and i imagine a big hair dryer wont help that at all!! Thanks
Secondaries VS. Bigger injectors
- Thread starter oyerbl
- Start date
I would go with secondaries since your plans call more more boost.
As you mentioned there are bigger injectors but do tend to be more of a pain to tune.
As you mentioned there are bigger injectors but do tend to be more of a pain to tune.
Bigger injectors are a tad harder to tune plus you wouldn't need all that fuel at low rpm and or boost levels. With secondaries, the stock injectos handle low boost/rpm and when you get into bigger boost/hp/rpm the secondaries are there to "back em up." Also a secondary set-up equals a stg2, it doesn't change the actual turbocharger. 
for sure secondaries are much easier, many of us been there and done that, i have never once wished i had just kept my s2000s
plus with secondaries you can map more than 1 boost level which is what you need once you run big boost
plus with secondaries you can map more than 1 boost level which is what you need once you run big boost
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