A502slo

iTrader: (4)

well i install my new LPE LS6 intake. the install went ok, other then having to get a new oil pressure switch. My mods are LT, Lid, cutout, LS1 edit. well my first dyno run with tuning on old LS1 intake i got 315rwhp and 322rwtq, now with the new intake and after tuning i got 304/311. what the heck happend here and why. my a/f is 12.9 and timing is 29. i went as rich as 12.3 and lean as 13.2 with timing running from 27 to 29. even with the cutout open i only got 2 extra hp up top but lost 5 hp across the rpm band. only thing i c that has changed is the outside air temp. now it is 82 and 99% humity today. when i got my car first dynoed it was 73 and 30%. could that effect it that much. also this is on the same dyno. any info would be great thanks

Damian