I have not been on an official dyno yet but I do have Dynolicious on my iPhone. After about a 45 minute search I found the actual drivetrain loss % and I weighed the car at a weigh station. the results......
Car 1988 rx
weight 2500# without driver
drivetrain loss 25%
test parameters 0-60 and HP
acceleration G .53
0-10 1.18
0-20 2.19
0-30 3.10
0-40 4.64
0-50 6.02
0-60 7.80 seconds
peak HP 157 (this is flywheel hp)
Modifications:
Ford SVO TMIC
boost controller set to 12 Psi
TWE DP 2.5 inch
2.5 inch front pipe, cat, mid pipe and tailpipe