FiTECH Fuel Injection Systems
#43
Registered

Joined: Nov 2003
Posts: 375
Likes: 4
From: Dallas, TX
http://fitechefi.com/virtualoffice_f...%2012.9.15.pdf
ezstriper, Page 4 of the manual shows how to change vac sensing. (figure 4 and 6)
ezstriper, Page 4 of the manual shows how to change vac sensing. (figure 4 and 6)
Last edited by jackhammer; 05-03-2016 at 03:41 PM.
#45
Registered

Joined: Nov 2003
Posts: 375
Likes: 4
From: Dallas, TX
The way I read it, it seems the boost retard feature is a function of RPM and not actual boost (guessing). I would think you would need more than a 3x3 matrix?
"SPARK MAP: The spark advance uses a 3x3 matrix table to allow flexible spark advance control. This
can allow distributor simulation, locked timing, boost retards, high RPM advancing and other
strategies to optimize the ignition spark advance angle"
Page 3 of this manual - http://www.fitechefi.com/virtualoffi...efinitions.pdf
PS.. they also told me i needed a boost retard module like MSD makes, so something doesn't add up here.
"SPARK MAP: The spark advance uses a 3x3 matrix table to allow flexible spark advance control. This
can allow distributor simulation, locked timing, boost retards, high RPM advancing and other
strategies to optimize the ignition spark advance angle"
Page 3 of this manual - http://www.fitechefi.com/virtualoffi...efinitions.pdf
PS.. they also told me i needed a boost retard module like MSD makes, so something doesn't add up here.
#46
Registered
Joined: Nov 2005
Posts: 4,554
Likes: 3
From: Fredericksburg, Va
http://fitechefi.com/virtualoffice_f...%2012.9.15.pdf
ezstriper, Page 4 of the manual shows how to change vac sensing. (figure 4 and 6)
ezstriper, Page 4 of the manual shows how to change vac sensing. (figure 4 and 6)
#47
Registered
Joined: Nov 2005
Posts: 4,554
Likes: 3
From: Fredericksburg, Va
The way I read it, it seems the boost retard feature is a function of RPM and not actual boost (guessing). I would think you would need more than a 3x3 matrix?
"SPARK MAP: The spark advance uses a 3x3 matrix table to allow flexible spark advance control. This
can allow distributor simulation, locked timing, boost retards, high RPM advancing and other
strategies to optimize the ignition spark advance angle"
Page 3 of this manual - http://www.fitechefi.com/virtualoffi...efinitions.pdf
PS.. they also told me i needed a boost retard module like MSD makes, so something doesn't add up here.
"SPARK MAP: The spark advance uses a 3x3 matrix table to allow flexible spark advance control. This
can allow distributor simulation, locked timing, boost retards, high RPM advancing and other
strategies to optimize the ignition spark advance angle"
Page 3 of this manual - http://www.fitechefi.com/virtualoffi...efinitions.pdf
PS.. they also told me i needed a boost retard module like MSD makes, so something doesn't add up here.
#49
Registered

Joined: May 2010
Posts: 996
Likes: 189
From: Red Oak, Texas
Got an answer from Fitech!!! Good catch Jackhammer!!! Here's what the tech said:
Hi Charles
you're absolutely right, I so apologize, I totally forgot all about that. You will have timing control the ECU will read boost, all will be right with the world.
Embarassed Thank you so much for straightening me outEmbarassed
most the time and pretty good this job.
Anything else let me know
---
Thank's
Kirk Spiger
Tech Support
FiTech Fuel Injection
Hi Charles
you're absolutely right, I so apologize, I totally forgot all about that. You will have timing control the ECU will read boost, all will be right with the world.
Embarassed Thank you so much for straightening me outEmbarassed
most the time and pretty good this job.
Anything else let me know
---
Thank's
Kirk Spiger
Tech Support
FiTech Fuel Injection
#50
Registered

Joined: Oct 2013
Posts: 2,888
Likes: 148
From: SF Bay Area
Well... I got an email that the systems are on back order until July 14th at the soonest. I just cancelled the order as many new products and versions are hitting the market soon so it's worth it to me to wait and see. In the meantime I ordered a wideband to play with on my QF carb.


