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The mkiv Supra Owners Club

sard 880/800cc injectors overfuelling


bigbloodyturbo

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I suppose I should just leave this to my mapper but I'm interested in how this works. I got my syvecs s6 installed on Sunday and after a quick call to Ryan (thankyou very much for your help btw) I got over a few teething issues only to find my AFR's mental rich at idle. We had to pull fuelling right back from the base map that I got sent which was specific to sard 800's just to get it to idle.

 

Now my injectors where bought from another member on here and were sold as sard/denso 880's but when they got flow tested and cleaned they came back at 800cc/min. Does anyone have any ideas as to why it would be pig rich? the only thing I can find is dead time that sard quote as 1.6 but my base map has been set at 0.9@12v.

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I'm sure the mapper will be able to do something about it it's just i'm interested to know what the issue would be. I replaced all the seals when fitting them to my rail (new seals on pintle end, new orings above the inlet screen and new anti-vibration orings, surely if it was leaking past the seals it would pool in the intake and I would get surging from time to time. Do you remember what you set your injector dead time to?

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  • 1 year later...

Hi.Did you ever get that injector dead time sorted yourself?I've bought some denso 880cc high imp blue top feed injectors that I'm not sure of what to think.

Now I'm trying to set them up for power fc but its a fing pain...help?

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