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SCCA Stang
post Jun 7 2006, 09:42 PM
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hey guys.... I am currently running 550 injectors on my GSX with the evoIII 16g, GM MAF, SAFCII and am in process of installing AFPR... I believe that I am over running the injectors based on injector duty cycle on the data logger... near 130%

is it possable to over kill on injector size by buying too large of an injector or is bigger better???

what would be a good injector size 720, 780, 850????

I saw on the exchange that there are a set of 850's, 780's and 720's for sale.... what should I go with???


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ncgalant
post Jun 8 2006, 07:48 AM
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QUOTE (99Spyder @ Jun 7 2006, 09:51 PM)
The injector size comes down to the control. With an S-AFC I think that you can get a decent idle with up to 720s. Any more than that and you should be chipped or sportin an EMS.

VERY VERY TRUE. If you get anything 650 -750 I would very highly recommend an adjustable fuel pressure regulator and very precise tuning unless you are going to get an EPROM ECU and a chip for the injectors. Don't even try to go bigger than 750. Everything starts to get screwy at that point.


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