Quote:
Originally Posted by mpanten
427 small block, aluminum dart block, afr 205 heads, a worked over holley 850 with a victor junior netted me 420 at the wheels with a aftr or 12.1. It was a 97 degree extreamily humid day on a dyno dynamics dyno. Im told it would have read 475 on a mustang dyno. Id like to try it again to see what it actually reads on another dyno but im stuck with the official 420. Cant remeber the tq.
Other info:
Trans-tremec 3550
Rear 3.27
headers canfield 1 7/8
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For accuracy sake of this thread, are you sure you don't have the dyno's mixed up? Or did they use an odd correction on the dynojet? Typically, a mustang dyno reads roughly 10% lower in my experience, but almost universally, it will read lower based on different variables because it is a loaded dyno.