I always thought the 60mm+ TB required a tune?
Is there any way he can connect a scanner and data-log to see if parameters have been altered (i.e., timing, etc.)
Yes JC SSP, they should have the OEM 55mm TB's in-tune PTA\EA mapping recharacterized to fit\match the larger TB's physical PTA\EA sizing to accurately correct the in-tune SD\ETC\LWFM airmass\VE load calcs to match up w\ the MAF read airmass\VE load calcs off the physical larger TB's PTA\EA sizing at the same TB TPS\TBA.......but as long as the MAF calibration thru the CAI MAF housing & the LWFM in-tune mapping is in agreement (this map is calibrated off the actual MAF calibration after smoothing is applied to the MAF sensor voltage output signal & is the in-tune mapping that the ECU uses to compare\back check the MAF sensor output operation), the ECU can\will make the necessary airmass\VE load calc correction adjustments to then make the necessary fueling correction adjustments to counter this mismatch--if MAF Adaption is enabled in tune calibration, enabled by default) so engine will run w\o issue......as long as the TB TPS KOEO calibration between the 2 different TB's is within the ECU's TPS offset voltage range so the ECU sees them as the "same". This is why a Ford Performance twin TB can do this as Ford calibrates all their twin TB's TPS initial KOEO voltage output to fall between 1.19v to 1.21v so this will fall within the ECU's TPS initial max KOEO voltage output range offset of 1.16v to 1.23v. Is also why you reset a BBK #1763 62mm TB's TPS stop to mimic the OEM 55mm TB's initial TPS voltage output at KOEO........
This is also why a lot of tuners say that a 62mm TB doesn't do\provide anything vs an OEM 55mm TB........which is not really true......but is "correct" IF this in-tune TB PTA\EA mapping isn't corrected from the OEM 55mm TB to match the larger TB's physical PTA\EA sizing.
So, a FP 60mm+ TB "can" run Ok on a stock '05-'10 GT tune calibration........up to a point......depending on how much air mass flow is bypassing the TB thru the PCV system at idle\low RPM's (this can cause larger twin TBs airflow control thus engine control issues vs the OEM twin 55mm TB). The Ford Performance 62mm TB is designed to operate using all OEM PCV setup (it's right at the edge of low RPM\idle controllability) so a FP 60mm TB will also operate Ok on an OEM stock GT tune file........
As long as the twin TB used is a Ford design\setup, the exact same in-tune ETC control settings outside of the PTA\EA mapping was used to tune them as was the OEM 55mm TB, thus they'll operate on a '07 GT's tune calibration just as well as a '07 GT500's tune calibration.
I know this as a fact.......have personally witnessed, used a stock '10 GT500's 60mm TB's PTA\EA in-tune mapping in my '09 GT's tune calibration to better match my FP 62mm TB & have fully corrected the '10 GT500 60mm TB's in-tune PTA\EA mapping to properly fit\match my FP 62mm TB's physical PTA\EA sizing w\ my GT's tune calibration w\o any operational issues but got massive performance gains in throttle tip-in\acceleration once this was properly fixed along w\ properly resetting transient fueling to fully match the FP 62mm TB's initial airmass flow capabilities off any TBA\TPS movements to arrest initial A\F leanout causing initial engine stumble\detonation....up to & including WOT....in tune calibration.
This is not the easiest to pick up\out these setting differences thru a datalog w\o a known good reference datalog to use to compare...........
Be better off to just get fully retuned......properly.