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| Piggyback Engine Management FAQ's & tech tips from the Piggyback Engine Management SME. Please note that all posts to this forum are moderated. This means they do not show up until moderator approved! |
08-08-2009, 01:34 AM
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#1
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Laaaaaaag
Level up: 30%, 212 Points needed |
Join Date: Aug 2006
Location: Hayward, Bay Area
Posts: 217
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AEM fic and Tru Boost
anyone have first hand experience with the aem fic? also, how do u know what your duty cycle should be when using the tru boost? does it go by the amount of boost you run? i have a 1jz single turbo with supportings mods and want to get tuned with something good and not to expensive. any info would be great
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08-13-2009, 08:38 PM
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#2
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Lurker
Level up: 82%, 9 Points needed |
Join Date: Aug 2009
Location: Guelph
Posts: 20
Spent time on board: 15:23:39 Hours
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Re: AEM fic and Tru Boost
I bought an F/IC and am going to be installing and tuning before the end of the month.
The duty cycle of your injectors is a digital function of how long the injectors are on divided by 100% or the complete time the injectors could be open for. For example if you have 340cc injectors and your injectors are on for 50ms out of the 100ms that they could possibly be on then the duty cycle of the injectors is 50%.
When tuning the best way to change the duty cycle is to data log the output of the wideband and change the values of the duty cyle +or- slowly. Keep in mind that with the F/IC when you remove fuel you will make more power but also increase the temperature of the engine coolant because you are burning hotter which increases the temperature of your oil as well. This in turn can increase the intake temps which means that the timing also needs to be adjusted.
__________________
OLD SETUP: 7MGTE rebuilt the right way, VRP67, 580cc injectors, Lex afm, custom IC piping, NA cams, AFPR, Walboro, 3" dp into 4" exhaust, 6 puck unsprung clutch (yes with stock W58), 4.3 LSD ..... other mods i cant remember
NEW SETUP: Aristo 2JZGTE, VRP67, 440cc injectors, 3" DP and full exhaust, Walboro 255, OSGiken dual plate dual diaphram, R154 (in place of original W58), Dual 1350cfm electric fans, Large front mount with 3" charge lines, and still 4.3 LSD.
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09-16-2009, 02:12 PM
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#3
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Lurker
Level up: 72%, 43 Points needed |
Join Date: Oct 2008
Location: Auburn, AL
Posts: 24
Spent time on board: 3 Days and 7:47:45 Hours
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Re: AEM fic and Tru Boost
Quote:
Originally Posted by davidgboyle
I bought an F/IC and am going to be installing and tuning before the end of the month.
The duty cycle of your injectors is a digital function of how long the injectors are on divided by 100% or the complete time the injectors could be open for. For example if you have 340cc injectors and your injectors are on for 50ms out of the 100ms that they could possibly be on then the duty cycle of the injectors is 50%.
When tuning the best way to change the duty cycle is to data log the output of the wideband and change the values of the duty cyle +or- slowly. Keep in mind that with the F/IC when you remove fuel you will make more power but also increase the temperature of the engine coolant because you are burning hotter which increases the temperature of your oil as well. This in turn can increase the intake temps which means that the timing also needs to be adjusted.
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Any updates? Any trouble getting it wired up? Any other info? I am considering the F/IC and would really appreciate any feedback! Thanks.
EDIT: just realized you are running a 2J...does anyone know if this will work on a 7m-gte?
__________________
'88 Turbo|Targa|Auto|Apexi CAI|1pc. Alum Shaft|Eibachs|Tokicos|Poly Rear Subframe Bushings|....coming soon...>>>...3" Exhaust|ARPs|HKS MHG
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09-16-2009, 02:33 PM
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#4
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I <3 John Reed
Points: 17,164, Level: 57 |
Level up: 3%, 586 Points needed |
Join Date: Jan 2006
Location: Mount Vernon, Washington
Posts: 2,582
Spent time on board: 1 Month, 0 Weeks, 0 Days and 3:01:56 Hours
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Re: AEM fic and Tru Boost
I run the AEM TRU Boost Gauge/Controller and it works perfectly for me. I'm running a 1JZ with single turbo pushing 400 RWHP and 347 RWTQ.
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11-05-2009, 02:31 PM
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#5
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Regular Member
Level up: 77%, 58 Points needed |
Join Date: Jun 2007
Location: Potsdam
Posts: 247
Spent time on board: 1 Week, 1 Day and 1:36:03 Hours
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Re: AEM fic and Tru Boost
Quote:
Originally Posted by davidgboyle
I bought an F/IC and am going to be installing and tuning before the end of the month.
The duty cycle of your injectors is a digital function of how long the injectors are on divided by 100% or the complete time the injectors could be open for. For example if you have 340cc injectors and your injectors are on for 50ms out of the 100ms that they could possibly be on then the duty cycle of the injectors is 50%.
When tuning the best way to change the duty cycle is to data log the output of the wideband and change the values of the duty cyle +or- slowly. Keep in mind that with the F/IC when you remove fuel you will make more power but also increase the temperature of the engine coolant because you are burning hotter which increases the temperature of your oil as well. This in turn can increase the intake temps which means that the timing also needs to be adjusted.
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do you have this up and running yet. Also what motor are you running this system on.
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