Bruce Nunnally Posted June 22, 2013 Report Share Posted June 22, 2013 My injectors are at 85-92% duty cycle, so time to upgrade the fuel injectors before the next performance upgrade. OEM Cadillac STS-V 4.4L injectors: AC Delco 217-3076 which is GM p/n 12598842 and Bosch p/n 0-280-158-085 Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
Bruce Nunnally Posted June 22, 2013 Author Report Share Posted June 22, 2013 BOSCH LBS/HR CC/MIN GRAMS PSI BAR 0-280-158-085 40 420.4 302.4 43.5 3 Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
Bruce Nunnally Posted June 22, 2013 Author Report Share Posted June 22, 2013 Related post: http://caddyinfo.com/wordpress/sts-v-fuel-injectors/ Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
Bruce Nunnally Posted June 23, 2013 Author Report Share Posted June 23, 2013 ZR1 Injectors: BOS 0-280-158-187 Bosch injectors at 43.5 psi (3 BAR) flow 48.9 lbs/hr or at 58 psi (4 BAR) they flow 56.4 lbs/hr PGA2B: I run Ford Racing 73lb injectors in my V. If the GT500 injectors are the same size and I suspect they are, then they will work. Mine are the M9593-LU60 so if you get the dimensions of those and compare to the GT500's you'll have your answer. Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
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