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View Full Version : Anyone run Holley 120 lb hr injectors on whipple application yet?



MAGONSTERZ68
11-17-2022, 03:34 PM
Holley Terminator X 12LB/HR EV6 - PN522-121X
https://www.holley.com/products/fuel_systems/fuel_injection/injectors/fuel_injectors_-_high_impedance/parts/522-121X

I have spent plenty of frog hyds on holley over the build and been good to go so far but wondering if these are too?, cant beat them for the price but not if they are junk...
A set of 8 are 573.00 delivered, total.
Shooting for 7-800 fwhp on 91 octane and e85
looking to stay at or under 80% duty cycle

3800 lb car, 4l80e, 2800-3K stall, 3.73 rear gear, 26" tall tire.
Holley Terminator XMax engine management system.
LS3, fully forged, Stock stroke, 6.125 rod, bored(4.125 bore) Darton Sleeved, 388 cu inch.
CNC 64 cc LS3 heads approx 10:1 comp ratio
BTR STG II PDS cam
Whipple 2.9, 4" pulley for break in 5-8 psi with 3.5" pulley later on max goal of 15 psi total.
Vapor Worx PWM fuel pump, twin AEM300 pumps

andrewb70
11-18-2022, 07:33 AM
I have numerous customers that are using the Terminator X injectors in various sizes and they all seem to work well. Let me know if I can help with the tuning when you are ready.

Andrew

MAGONSTERZ68
11-18-2022, 09:06 AM
excellent, black Friday deal 525.00 delivered.....done and most certainly will contact for tune services for prior to initial given i have no clue on sensor set up etc, prior to start up thx again

andrewb70
11-19-2022, 03:17 PM
excellent, black Friday deal 525.00 delivered.....done and most certainly will contact for tune services for prior to initial given i have no clue on sensor set up etc, prior to start up thx again

Don't hesitate to get in touch with me if you have any questions along the way.

Andrew