After debating the issue and seeing d last post by a member that made d switch and picked up power, and another Florida member that dynoed 560s rw with my same set up, I decided to give a try and spend d $$.
Boy am I a happy camper.
First pull with arrow after a 30 minute cool down was 559/492 at the tires . IAT was 94 Deg at the end of the pull, AFRs in d low 12s
After 3 hours of remote dyno tuning we got 602/549 TQ. We did 11 pulls all 10 minutes apart. IAT at 114 and not budging at all in any pull.
I made couple of Nice clean pulls to 6700 rpms in d heat , runs like a raped Ape on d streets. Climbs the rpms smooth.
Crazy gains, but look at d gains at 5200 rpms
80 hp and almost 80 TQ
Car is a beast, and Torrie is a GURU!!
Dyno sheets in link below