Quote:
Originally Posted by sw20kosh
I this because you are revving this car out higher than Perrin? He showed 280 whp with the smaller pulley vs 240 whp with the stock one but all at stock redline. Interesting results.
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Perrin is also on a dynapack which reads about 30% higher than a mustang dyno. 280whp on a dynapack equates to about 215whp on a mustang dyno. So depending on Johns results, he may have made more power on the bigger pulley and comparable power on the smaller pulley.