ULTIMATE TBI mods stage 1

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highwaystar

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I noticed you have the adjustable fuel pressure regulator mod. At what pressure did ya dial it in at?
 

PlayingWithTBI

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I noticed you have the adjustable fuel pressure regulator mod. At what pressure did ya dial it in at?
I'm running an 18 LB spring at 20 PSI to keep my injectors' Duty Cycle down to just over 90% at WOT and ~5300 RPM. At 18 PSI they were running ~106% meaning they were open all the time.

Edit: With pn 5235206 - 61LB/HR flow matched injectors.
 
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