I found this quite interesting, and i reckon most of the stuff this article talks about is probably often overlooked when trying to tune an engine!
http://www.injectordynamics.com/Drillbi ... shits.html
A good article on why not to use drilled injectors!
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Holden202T
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A good article on why not to use drilled injectors!
No matter what the question is, the answer is always more horsepower! 
Just starting out? Have a read of the getting started guide
Basic tuning of a delco ECM with $12P thread
Advanced tuning of a delco ECM with $12P thread

Just starting out? Have a read of the getting started guide
Basic tuning of a delco ECM with $12P thread
Advanced tuning of a delco ECM with $12P thread
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vn5000
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Re: A good article on why not to use drilled injectors!
I find it hard to believe that somebody would be so bodgy to even try drilling such a precisely manufactured product .

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delcowizzid
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Re: A good article on why not to use drilled injectors!
been there tuned drilled injectors sucks balls it is indeed a headache and a half hence why i never buy highflowed injectors anymore
If Its Got Gas Or Ass Count Me In.if it cant be fixed with a hammer you have an electrical problem