[Diy_efi] Additional Injectors

[R H]

I've been looking at all the posts I can find about running another set of 
injectors parallel to the oem set (for adding a turbo), but haven't had any 
luck finding complete information (I would need a schematic or VERY detailed 
information... I've taken one electronics course, years ago, which stopped 
short of IC's).  It looks like the most common approach is to use a 555 
timer, but I was thinking there must be a way to snip off the end of the 
injector pulse to the extra set, and vary how much is snipped off based on 
MAP input.

I would like to have the 2nd set open based on the time of the oem set to 
let the ECU take care of factors like IAT, water temp, load, etc.

if any on knows how to set up extra injectors with a 555 system, or anyone 
has thoughts on the idea I offered please e-mail me @ rh49684 at hotmail.com 
and/or post.

Thank you

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