toyotatom Posted August 7, 2006 Share Posted August 7, 2006 What are Siemens inectors like compared to Precision/Delphis? Im told the spray pattern on Delphis are awful and can make it hard for the idle to stabilise. Is there any truth in this? I have Precision 880s in an HKS fuel rail at the moment being run by an EMU. Should I upgrade or not? Quote Link to comment Share on other sites More sharing options...
Lucifer Posted August 7, 2006 Share Posted August 7, 2006 Siemens are regarded as teh best aftermarket injector by alot of tuning companies. Quote Link to comment Share on other sites More sharing options...
toyotatom Posted August 7, 2006 Author Share Posted August 7, 2006 Siemens are regarded as teh best aftermarket injector by alot of tuning companies. And Delphis/Precision are regarded as... -type your opinion here- Quote Link to comment Share on other sites More sharing options...
JustGav Posted August 7, 2006 Share Posted August 7, 2006 Siemens injectors are OEM on a large number of systems... in fact Bosch is the same OEM as is VDO... Quote Link to comment Share on other sites More sharing options...
toyotatom Posted August 7, 2006 Author Share Posted August 7, 2006 Which is a pretty good recomendation. Car manufacturers aint gonna put shit in as standard. Quote Link to comment Share on other sites More sharing options...
Lucifer Posted August 7, 2006 Share Posted August 7, 2006 And Delphis/Precision are regarded as... -type your opinion here- A good budget make. Quote Link to comment Share on other sites More sharing options...
toyotatom Posted August 7, 2006 Author Share Posted August 7, 2006 Fair comment. But are they any good for single conversions running 550hp? Quote Link to comment Share on other sites More sharing options...
Lucifer Posted August 7, 2006 Share Posted August 7, 2006 Yes providing you have a high resolution managment >Emanage ultimate. Quote Link to comment Share on other sites More sharing options...
toyotatom Posted August 7, 2006 Author Share Posted August 7, 2006 So whats with the stories I hear from different people, not just on the supra board, who say the spray pattern on them is awful and as such causes problems? Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted August 7, 2006 Share Posted August 7, 2006 I always check flow and pattern on ALL new injectors BEFORE using them in any performance application, that way you don't get any nasty surprises. Bosch, Siemens and Denso all seem fine, as a rule. RC Engineering have been terrible, in my experince. I won't use modded injectors at all, only ones MADE IN THE FIRST PLACE to flow X cc / min. Quote Link to comment Share on other sites More sharing options...
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