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Swapping VHR injectors into DE, do I need a tune ?

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Old 04-30-2019, 06:33 PM
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Michael Zosa
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Default Swapping VHR injectors into DE, do I need a tune ?
Hello all, I am going to be swapping VHR injectors into my DE. will I need a tune? They are plug and play as far as I’m aware.
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Old 04-30-2019, 08:17 PM
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coletrickle74
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I guess the real question is why even bother? There will not be any difference unless you maxed out the stock injectors already. Not enough information
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Old 04-30-2019, 08:18 PM
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tmdz
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I think any change to the air/fuel mixture is going to require a tune to take advantage of those changes.

Also two different part numbers - Is there info somewhere that says they are interchangeable?
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Old 04-30-2019, 11:37 PM
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Michael Zosa
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Originally Posted by tmdz
I think any change to the air/fuel mixture is going to require a tune to take advantage of those changes.

Also two different part numbers - Is there info somewhere that says they are interchangeable?
^^ I got them because mine were already dirty and i need more room for my tune with my built engine. And yes they're interchangeable I think, same connectors and everything, same exact fitment.
See more :
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Old 04-30-2019, 11:39 PM
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Michael Zosa
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I will probably just install them and for sure will not turn the car on till it's time to get tuned. Thanks guys, and yeah after I installed them right now they were direct fit.
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Old 05-01-2019, 06:26 AM
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bealljk
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Yes - you will need a tune/reflash, if nothing more to adjust the injector flow capacity. The VHR injectors are ~380cc/min while the DE injectors are 290cc/min
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