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#1 |
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Banned
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turbo-dyno guys
curious almost all my dynos the hp graph just continuously inclines with no curve or flat spots. anyone have an idea why?
the turbo is rated to 550hp i think 400-450 is when its most efficient graphs are in order starting with newest to oldest latest graph-12psi 100octane ![]() other graphs 9psi ![]() 7psi ![]() 8.7psi ![]() 5.8psi
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#2 |
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Banned
2008 GCSRT8, 1965 Coupe;
Join Date: Sep 2008
Posts: 318
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dude this isnt hard at all... its called torque...
hp=torque*rpm/5252 if your torque is consistent (which it is pretty damn flat) the curve is going to be well not a curve... its going to be linear because= hp=318*rpm/5252... its all the turbo... i can tell you by the chart... you hit full boost around 75 mph... so thats probably like 2800-3200 in 4th gear right? which means that turbo is sized pretty well... you can probably squeeze more out of it but it looks pretty much right on... |
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#3 |
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BWAL Is My Hero
2003 F150 S-Crew 5.4 FX4
Join Date: Apr 2008
Location: Iowa
Posts: 10,759
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I would think thats the way you would want it. The power should come on like that with a turbo. It also looks like you have a nice aftermarket cam maybe? Looks like you reach full boost by about 3600 rpms ish?
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#4 | |
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BWAL Is My Hero
2003 F150 S-Crew 5.4 FX4
Join Date: Apr 2008
Location: Iowa
Posts: 10,759
Blog Entries: 2
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#5 |
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Banned
2008 GCSRT8, 1965 Coupe;
Join Date: Sep 2008
Posts: 318
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how about this... 550hp at the flywheel (say a 20% loss or so)= 440rwhp... so your close..
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#6 | |
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Banned
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thanks man. i didnt really know thatreps to you man thank you sir
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#7 |
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Hardcore Enthusiast
F-150 FX4
Join Date: May 2007
Location: Memphrica
Posts: 1,144
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My turbo graph hits peak at 3,000rpm and hold 420rwhp/tq all the way to 6,500rpm shut off
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#8 |
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Hardcore Enthusiast
2002 Gt
Not Slow
Join Date: Aug 2007
Location: SJ-CA, 50-ft elev.
Posts: 1,649
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quite the numbers for that v6exy
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