Another EFI unit to check out is the Megasquirt MS3Pro Ultimate which just came out.
It is priced where the Holley HP unit is... however offers the features of what the Dominator can do. The Holley traction control system had awful integration and was tough to make work (I tried many different pickups and sensors and could never get a constant signal). Other than that... I do like the Holley HP/Dominator stuff.
Here is the MS3Pro Ultimate overview which has really caught my eye!
https://www.diyautotune.com/product/...gement-system/
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Project: 1969 Chevelle, alum 5.3, GTS76 turbo, Chiseled Perf A/W intercooler, Holley Dominator EFI, Davis TC, JRi coilovers, 14" brakes, T56 Magnum. CTS-V Recaro seats!
Coffey Fabrication Nashville, TN doing the fabwork! 800rwhp+/25mpg+/9's@150mph goal
https://lateral-g.net/forums/showthread.php4?t=52976
1993 Mazda FD RX-7, built LS7, T56 Magnum, Holley HP, Davis Tech TC, 8.8" 3.73 Cobra IRS diff, DSS axles, Ohlins coilovers, big brakes.
CCW 18x11 front 315/30/18's and 18x12.5 rear on 335/30/18 RA1's,
2850lbs
10.31@137mph 165mph Shift-Sector 1/2 mile speed
441ci AllPro headed motor and 200lb weigh reduction in the works....