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will stage 1 injectors compliment dsp tune?

 
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Old 18 Oct 2012, 08:13 pm
ryb502's Avatar
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Default will stage 1 injectors compliment dsp tune?

Can anyone tell me if installing stage 1 injectors add power/performance along with a dsp tune? Or, are s1 injectors only useful with s1 pcm's? Any input would be greatly appriciated.
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Old 19 Oct 2012, 12:38 am
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Default Re: will stage 1 injectors compliment dsp tune?

Any regards to injectors has to do with the present ECU Calibration to scale them properly. In most cases the upgrade will change the duty cycle of the injectors so without changing to the recommend injectors can have your present injectors running @ 100% duty cycle which is not a good idea.

Going to larger injectors in any application does not make more engine power per say by itself but it simply increases the theoretical or calculated fuel demand to supply fuel that may be needed to make more power if the present injectors fall short of the calculated necessary fuel supply. And in cases like that it also enables lowering the operation duty cycle for better injector reliability.

In some applications fuel supply improvements like better flow rated fuel pumps can be made instead of changing to larger injectors. Injectors are rated by there flow capacities which can increase if the fuel supply to them is changed. You must look at Fuel Injection operation formulas to calculate the differences.
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Old 19 Oct 2012, 12:43 am
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Default Re: will stage 1 injectors compliment dsp tune?

Quote:
Originally Posted by ryb502 View Post
Can anyone tell me if installing stage 1 injectors add power/performance along with a dsp tune? Or, are s1 injectors only useful with s1 pcm's? Any input would be greatly appriciated.
Keep in mind if you do go with bigger injectors you will need to get the DSP rescaled.
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