Re: EFI control units
I've installed several Holley HP units replacing older Holley Commander and FAST XFI systems in both LT1 and 3rd gen Hemi Drag Pak cars.
Significant gains are there for the LT1 combo in the hands of an experienced tuner . [I am not one of those ] :]
New HP harness' are greatly improved over older Holley and FAST harness'. ..very simple installation.
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Tom Goldman 1500 SG , 1506 STK
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