Copied and pasted from the corral.
Took the car down to the dyno yesterday after having it torn down replacing valvetrain parts in an attempt to fix a high RPM power drop I was encountering last time I was on the rollers. The last time on the dyno the car made 453 RWHP @ 5900 rpms and shortly after that power dropped due to instability in the valvetrain. I know another member of this board made 454 @ around 6800 rpms with race gas in the tank and a bunch of timing. So I figured 453 @ only 5900 with 91 octane and only 30 degrees total timing was pretty good But of course the valvtrain issue needed to be sorted out to see what this setup could really do.
At the end of the session the car was puting down 466 RWHP and 427 RWTQ!!! All at a nice comfortable 6200 rpms Again, on pump gas, 91 octane and only 31 degees total timing. I'm very pleased with this setup now.
Combo: http://www.fordmuscle.com/archives/2005/02/YellowFever/
Dyno graph, SAE power:
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