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Roush dyno numbers

Bonedizzle

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i have what i think is a stage 2 roush supercharger the 750hp had an opportunity to put it on a mustang dyno at my local repair shop and had the mustang dyno guys do the run and it made 515 hp is this normal? how do i know if its the 750 one? its a pp2 premium with active exhaust and roush supercharger

I see you are in nebraska, what dyno did you run it on?
 

djcodeman

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i have what i think is a stage 2 roush supercharger the 750hp had an opportunity to put it on a mustang dyno at my local repair shop and had the mustang dyno guys do the run and it made 515 hp is this normal? how do i know if its the 750 one? its a pp2 premium with active exhaust and roush supercharger
Mustang dynos always read low...
I have a 2015 roush with a bunch of upgrades... I only put down 540 rwhp (100 degree day and high humidity). On a dynojet it would likely read higher.

A friend has a stage 2 whipple on his 2016 and he only put down 620rwhp or around there on the same day
 

nnnnnn

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My Phase 2 Roush 2300 just made 830whp on a dynojet on a 72mm pulley. I'll probably do a post on the build specs if I have more time. Car made that power on a Palm Beach Dyno tune.
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