I talked to Andrew and we went over several set up related items, one of the checks he had me perform was to see if the my TBI body was progressive or synchronized. Holley says this system is synchronized but the linkage from the main barrels to the secondaries has a slot allowing an estimated 30% movement on the primary side before the secondary side starts to open. I check the "progressive" box in the engine config and then input 35% and that cleared a lot of issue up. Now when I hit the throttle the engine just revs up, in 1st gear it starts spinning the tires at 3k rpm from a roll and the power just keeps coming hard through 6k.
Andrew hasn't touched my tune yet so this is a basic tune from Holley with a little touch up from me and what I have read and learned.
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Greg
'78 Trans Am - Y88-R LS3/T56,
Holley EFI, UMI Performance
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