How do I calculate injector offset?
#1
On The Tree
Thread Starter
Join Date: Jan 2002
Location: Atlanta
Posts: 119
Likes: 0
Received 0 Likes
on
0 Posts
How do I calculate injector offset?
Anyone know how to set the injector offset table? I have 30lb SVO injectors. I have already set the injector flow rate table.
#4
TECH Addict
Join Date: Nov 2001
Location: College Station, Tx
Posts: 2,207
Likes: 0
Received 0 Likes
on
0 Posts
Re: How do I calculate injector offset?
0.00 1.60 3.20 4.80 5.20 5.50 6.00 6.40 6.80 7.00 7.20 7.60 8.00 8.40 8.80 9.00 9.00 9.60 10.00 10.40 10.80 11.00 11.20 11.60 12.00 12.40 12.80 13.00 13.20 13.60 14.00 14.40 14.80 16.00 18.00 19.60
7.00 7.00 7.00 7.00 7.00 7.00 5.00 4.25 3.75 3.00 2.66 2.33 2.00 1.83 1.67 1.50 1.43 1.37 1.31 1.17 1.04 0.91 0.87 0.84 0.81 0.73 0.66 0.59 0.56 0.53 0.50 0.50 0.50 0.50 0.50 0.50
Those are the values I have for the SVO 24's - they were pulled out of a ford PCM by an individual on the LT1 Edit mailing list. I do not have any direct data for the 30lb/hrs. As a general trend when keeping the same injector style (pintle, etc.) larger flow equates to a slower offset, as does higher pressure (the former having a much larger effect)).
It's up to you to extrapolate a vacuum dependency curve for that - I still haven't got around to doing one <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
Chris
7.00 7.00 7.00 7.00 7.00 7.00 5.00 4.25 3.75 3.00 2.66 2.33 2.00 1.83 1.67 1.50 1.43 1.37 1.31 1.17 1.04 0.91 0.87 0.84 0.81 0.73 0.66 0.59 0.56 0.53 0.50 0.50 0.50 0.50 0.50 0.50
Those are the values I have for the SVO 24's - they were pulled out of a ford PCM by an individual on the LT1 Edit mailing list. I do not have any direct data for the 30lb/hrs. As a general trend when keeping the same injector style (pintle, etc.) larger flow equates to a slower offset, as does higher pressure (the former having a much larger effect)).
It's up to you to extrapolate a vacuum dependency curve for that - I still haven't got around to doing one <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
Chris