2.5L Injector Flow Rate (Page 2/2)
TGYK256 JUL 12, 03:35 PM
After debugging my code and running more tests, I can confirm the injector is meant to be 50lb/hr. Mine is closer to 49. My injector seems to have a dead time of around 1ms, and doesn’t like to go over about 80% duty cycle.

Hope this can help others!
Dennis LaGrua JUL 12, 08:57 PM
If you are looking to make more horsepower form the Duke and modify it accordingly, the stock injector will fall short. When Pfaff Turbo made a turbocharger kit for the Duke the throttle body injector that was used was a larger Holly unit. Don't know the flow rating but apparently the 4 cyl engine w 5 psi of boost dynoed to 130 HP just ten short of the 2.8L V6.

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" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, P-log Manifold, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, Champion Radiator, S10 Brake Booster, HP Tuners VCM Suite.
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87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
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