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Old 07-11-2008, 10:42 PM   #1
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injector adjustment on Power FC

Hey Gurus. I've just installed my sard 850 injectors on my redtop sr20det and the lag time on them in .85ms. I have a power fc and was wondering how i input or what to input in to the the power fc in order to compensate for the larger injectors until i get a tune.
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Old 07-11-2008, 11:49 PM   #2
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Alot of useful info.


http://paulr33.skylinesaustralia.com...owerfc-faq.htm
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Old 07-12-2008, 12:23 AM   #3
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370 / 850 = 0.435 (round it up) enter that for each cylinder

S14 370cc injector lag time is 0.58ms

so. 0.85ms - 0.58ms = 0.27ms new lag time

enjoy!

http://paulr33.skylinesaustralia.com...rfc-faq.htm#57

Last edited by djcobra; 07-12-2008 at 12:24 AM.. Reason: calculation...
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Old 07-12-2008, 12:26 AM   #4
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i was under the impression that the lag time on the stock 370cc injectors have a lag time of .64ms no? where did you get the .58 from.

thanks for the responses
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Old 07-12-2008, 12:33 AM   #5
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http://zilvia.net/f/showthread.php?t...t=370+lag+time

post #5 is saying .58 for stock....

just trying to help
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Old 07-12-2008, 12:36 AM   #6
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thanks for the confirmation.
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Old 07-12-2008, 12:42 AM   #7
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spanku! sonomadrifter hehe...
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Old 07-12-2008, 12:46 AM   #8
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hah, i just like more than 1 person to verify numbers with. It's a crucial part. hehe
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Old 07-12-2008, 03:57 AM   #9
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.58 for stock injector
i'm positive
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Old 07-18-2008, 07:15 PM   #10
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ok so, i got my injectors installed and my z32 maf installed and the adjustments accounted for within the power fc. i started the car and it runs like shit.
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Old 07-19-2008, 01:58 AM   #11
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Quote:
Originally Posted by SoguRacing View Post
ok so, i got my injectors installed and my z32 maf installed and the adjustments accounted for within the power fc. i started the car and it runs like shit.

Did you only do the correction and it runs like shit underload or idle?
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Old 07-19-2008, 02:08 AM   #12
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didn't put the car under load. the idle was bad enough to keep me from going any further.
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Old 07-20-2008, 01:45 AM   #13
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dwell.................................

TUNE YOUR PFC ON A DYNO!!

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Old 07-20-2008, 02:01 AM   #14
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haha i would if i could get it there.
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Old 07-20-2008, 02:21 AM   #15
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