R50/53 dyno sheets for common upgrades?
#1
dyno sheets for common upgrades?
I just put on an ALTA 17% pulley and I am real curious about the change in tq and hp, and where they increase, etc.
Just like people have said in other threads, TOTALLY different car after.
Does anyone have a link to some dyno sheets for a 17% + intake vs. stock?
Just like people have said in other threads, TOTALLY different car after.
Does anyone have a link to some dyno sheets for a 17% + intake vs. stock?
#3
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#9
It is a mechanical boost gauge tapped off the FPR.
Last night was the first commute with teh new pulley. The whole way home (50 miles), I could hear more air being sucked in at all times. It also is very boost happy, a little twitch of the throttle winds it right up. It, however, does not deal with lower RPM / higher load like the original setup did. If I am on back roads at about 2500 RPM and apply 1/2 throttle, I get a low MMMMMM, like the engine saying, "yeah, um, not yet, hang on, uhhhh, could ya downshift please?". Really reminds me of when I had a bigger turbo car, the LAG feeling.
HOWEVER, when its at 3000+ and you roll on the throttle, WOW!
Last night was the first commute with teh new pulley. The whole way home (50 miles), I could hear more air being sucked in at all times. It also is very boost happy, a little twitch of the throttle winds it right up. It, however, does not deal with lower RPM / higher load like the original setup did. If I am on back roads at about 2500 RPM and apply 1/2 throttle, I get a low MMMMMM, like the engine saying, "yeah, um, not yet, hang on, uhhhh, could ya downshift please?". Really reminds me of when I had a bigger turbo car, the LAG feeling.
HOWEVER, when its at 3000+ and you roll on the throttle, WOW!
#11
Not sure you are going to find many dyno sheets with pulls on the stock motor, and then pulls on just a pulley, or just a cold air intake.
Because dyno time is expensive, most people put all the mods on their car and THEN take them to the dyno to see what kind of power they make and/or to have them tuned. So you really never get to see the "before" power and torque.....you just is the "after".
Have you tried searching google for "mini r53 dyno sheet" ?
Because dyno time is expensive, most people put all the mods on their car and THEN take them to the dyno to see what kind of power they make and/or to have them tuned. So you really never get to see the "before" power and torque.....you just is the "after".
Have you tried searching google for "mini r53 dyno sheet" ?
#13
#14
these cars vary wildly....largely due to varying build quality, and changes made in production....there were HP upgrades, ecu and software changes, a tranny gearing change, etc...R53 cars were in a state of flux....it was not till the "refresh" in 2005 that the basic hp and design basically froze...
you probably gained about 15 hp on a decent motor...most likely around 180 or so to the wheels
but if you want TQ, a custom tune WILL MAKE IT FEEL like a DIFFERENT car....or at least it did on mine....
gave me more lower end TQ, where i wanted it due to my driving style....it made the car more fun in town.
you probably gained about 15 hp on a decent motor...most likely around 180 or so to the wheels
but if you want TQ, a custom tune WILL MAKE IT FEEL like a DIFFERENT car....or at least it did on mine....
gave me more lower end TQ, where i wanted it due to my driving style....it made the car more fun in town.
#15
#16
With the new pulley your SC is making more boost everywhere in the rpm range.....so I doubt your torque fell off at all. From the dyno graphs I've seen before....adding more boost pretty much just take the existing TQ curve and moves it up a little. It doesn't make it more peaky, if anything it flattens it out a little more.
#17
I think that because our motors use the vacuum actuated bypass valves to control when boost comes on, they are going to naturally feel "unsmooth" compares to a N/A motor or even a turbo motor. That's why the R53's all have that "yo-yo" feel when you are at mid throttle and the BPV is just starting to want to close to build boost....even with the DT BPV mine still has a little bit of that yoyo feel at part throttle.
#18
these cars vary wildly....largely due to varying build quality, and changes made in production....there were HP upgrades, ecu and software changes, a tranny gearing change, etc...R53 cars were in a state of flux....it was not till the "refresh" in 2005 that the basic hp and design basically froze... you probably gained about 15 hp on a decent motor...most likely around 180 or so to the wheels but if you want TQ, a custom tune WILL MAKE IT FEEL like a DIFFERENT car....or at least it did on mine.... gave me more lower end TQ, where i wanted it due to my driving style....it made the car more fun in town.
#19
With the new pulley your SC is making more boost everywhere in the rpm range.....so I doubt your torque fell off at all. From the dyno graphs I've seen before....adding more boost pretty much just take the existing TQ curve and moves it up a little. It doesn't make it more peaky, if anything it flattens it out a little more.
oops, i meant lower in the RPM range...
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