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MAP EF-series Turbochargers results thread

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Old May 21, 2012, 12:22 PM
  #721  
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Originally Posted by pure_evo
I believe, based on the initial tuning results last night, that in my area of deep southern Arizona, our 91-octane is really about 87-octane. The tune is 80% finished on 91-octane for my EF4 with a 2.4LR.
Seeing what your car made the other day in your thread on just 19 lbs thats way above and beyond what my car makes. But then again your on a 2.4 which helps alot. That things gonna be a monster
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Old May 22, 2012, 06:01 PM
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Originally Posted by wanguru
You won't be disappointed. What's your current setup? I went from FP black JB to EF4 and picked up 25-30whp up top. Still on pump.
how is the spool up changed ? what rpm max boost in 3rd gear with black and now with the EF4 ? thanks !
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Old May 22, 2012, 07:54 PM
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Originally Posted by VGergo
how is the spool up changed ? what rpm max boost in 3rd gear with black and now with the EF4 ? thanks !
The black did spool up around 100-120RPM sooner but the EF4 pulls harder from about 5k all the way to redline on my setup. So 25lbs around 3900 with the black (JB) and about 4020 with the EF4. This is on a 2.3 liter.
Last edited by wanguru; May 22, 2012 at 07:59 PM.
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Old May 22, 2012, 08:44 PM
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Damn I cannot wait to purchase an EF3 from MAP
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Old May 22, 2012, 10:06 PM
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I have a BR2.0LR at STM being assembled right now, I think I want to try out the EF4 on it sometime before the Shootout. I like trying different things and it seems like it would make good power. If it made 550+ on a Mustang dyno that'd be sickkkkkkk.
Last edited by AWD96; May 22, 2012 at 10:09 PM.
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Old May 23, 2012, 05:11 AM
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Originally Posted by EvoIIIAj
Damn I cannot wait to purchase an EF3 from MAP

I got mine yesterday. Its a badass turbo. Here are pics I took to compare to my stock evo8 turbo.





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Old May 23, 2012, 09:13 AM
  #727  
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Originally Posted by TommiM
I got mine yesterday. Its a badass turbo. Here are pics I took to compare to my stock evo8 turbo.
Looks nice! Didn't seem like a long wait either...
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Old May 23, 2012, 10:54 AM
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Originally Posted by wanguru
Looks nice! Didn't seem like a long wait either...
right under 2 weeks. that was even me specifying im not in a hurry because i still have to crate up my block to send out to MAP for the 2.3 treatment.
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Old May 24, 2012, 04:00 AM
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Originally Posted by wanguru
The black did spool up around 100-120RPM sooner but the EF4 pulls harder from about 5k all the way to redline on my setup. So 25lbs around 3900 with the black (JB) and about 4020 with the EF4. This is on a 2.3 liter.
thanks that is sound great ! How you feel the respons between the 2 turbo at 5000rpm and over when you step back to throttle ?
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Old May 24, 2012, 07:51 AM
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Originally Posted by VGergo
thanks that is sound great ! How you feel the respons between the 2 turbo at 5000rpm and over when you step back to throttle ?
Transient response was slightly better with the black but not significant, which is expected off a bigger turbo. Still very daily driver friendly with stroker motors.
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Old May 24, 2012, 08:14 AM
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Originally Posted by wanguru
Transient response was slightly better with the black but not significant, which is expected off a bigger turbo. Still very daily driver friendly with stroker motors.
I agree. When I am around town, I forget that I even have such a large turbo. I do not regret my purchase.
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Old May 24, 2012, 08:43 AM
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Originally Posted by pure_evo
I agree. When I am around town, I forget that I even have such a large turbo. I do not regret my purchase.
Yep.. if your main concern is spoolup and response then you should be looking at a smaller turbo. If you want the biggest kick *** turbo in a stock frame then EF4 is your choice...
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Old May 24, 2012, 09:15 AM
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On another note, the EF4 sounds louder than the black esp during spoolup with the same intake pipe. That was the first thing I noticed when I switched turbos...
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Old May 24, 2012, 02:06 PM
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Originally Posted by wanguru
Yep.. if your main concern is spoolup and response then you should be looking at a smaller turbo. If you want the biggest kick *** turbo in a stock frame then EF4 is your choice...
Quote of the Day!
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Old May 25, 2012, 11:35 PM
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results should be up soon...400km more until the motor is run in. first impression is that the ef3 spools up very quick for its size. i was to be honest expecting more lag hehe
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