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I actually bypassed the vacuum solenoid and run a straight vacuum reference to it. The valves open whenever there is less than 4” of vacuum.Did you install the Tundra intake on a non-VVTi model, and if so, did you remember to use a wire or something to tie the ACIS butterflies shut?
Low end power difference would still show up on a dyno, though. Part throttle acceleration can still be mapped if you log throttle percent during the run and go up and down the rev range a few times under partial throttle. If 30% throttle before and after shows a difference, I'll bite and call it an upgrade. I suspect that wouldn't be the case though. You can also map "tip in" by plotting the profiles of power if you apply throttle suddenly mid-run. You'd just need a shop willing to export some raw data.
Dyno charts are commonly just full throttle pulls, but they don't need to be.
You could lighten the throttle body cable or tweak the profile to be eccentric to make the motor "seem" more lively, but it's all a false sensation.
Call me a cynic, but I need dyno data to grasp the claimed benefit here. If it causes benefits you can't see on a dyno I have a real hard time believing you're not feeling the placebo effect.
I think dirtydeeds posted a link earlier in the thread
I wouldn’t run a v6 injector on a v8. You want an injector meant for your vehicle. And flow balanced.
Flow matched for sure, but the v6 vs. v8 injector doesn't matter. An injector is all about flow rate and application. The tune puts them to use. There are 6 cylinder motors that require more fuel than some 8 cylinder motors. Thus, they use an injector with a larger flow rate.