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I'm kinda leaning towards vacuum leak possibly
The Lt banks running +10 range now until I unhook vacuum hoses leading to intake and air intake then they shoot up of coarse
But now I'm getting low...

So the flow rate vs pressure chart
At 408 kpa the flow rate is 29.7 lbs an hour
Flow rate multipliers vs volts, IAT, MAP, FLOW.
are all on a multiple of 1

It's says recommended for crate engine 35lbs hr 58 psi
Stock injectors from what I've read should be 28 or 32 lbs hr
I'm new to tuning mostly a stock tune so far
Had to do dod delete not many...

2009 sierra put in a 450 hp lm7 crate motor had to rebuild it to switch out reluctor wheel and cam gear everything works fine in that neighborhood what I am having trouble with is first start is a...