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MAP EF2.5 tuned by Cobb Tuning - Plano

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Old Jan 23, 2013 | 01:02 PM
  #136  
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Originally Posted by Kracka
A bad tuner could window the block with no turbo, but I said detune, not retardtune
I like retardtune though, more fun!
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Old Jan 23, 2013 | 01:17 PM
  #137  
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...says the guy on his 3rd engine to the guy on his 1st (with more than double the miles I might add)
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Old Jan 23, 2013 | 01:34 PM
  #138  
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Originally Posted by Kracka
...says the guy on his 3rd engine to the guy on his 1st (with more than double the miles I might add)
You don't have double, I have 37k, and that is with like 2 years of driving as its been broken or stored the other two

All I was saying was the EF2 can still window a block if you don't tune correctly.

Bottom line, smart tuner ftw.
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Old Jan 23, 2013 | 01:37 PM
  #139  
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Ahh damn, I was thinking you were only in the low 20's for mileage; make that ~2/3 mine then
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Old Jan 23, 2013 | 06:56 PM
  #140  
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detuned the ef3 is safer for the stock bottom end because of the turbo lag, you dont get the massive tq spike that the faster spooling turbos give you in the lower rpm range. that being said you also lose alot of potential in the powerband due to the increased lag so really its apples to apples the top end is nearly the same 2.5 vs safe tune for stock bottom end ef3 but the powerband is broader with the 2 and 2.5. unless your cammed then thats another story, in wich case i wonder why you wouldnt just build the bottom end and utilize that ef3's potential or a ef4.

shooting for monday and tuesday to put mine back together, hoping the weather is warmer for those days.
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Old Jan 24, 2013 | 05:53 AM
  #141  
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I'm going to get a turbo so big it never spools for max safety. MAP EFinfinity.

This argument is stupid; of course something detuned is going to be safer, if that's the game you want to play just leave the car stock, or better yet, get yourself a base Lancer.

I'm going to continue sticking with the plan that's kept my IX and X very reliable over the years; smallish stockframe turbos, maxed out on pump gas, with great response.

Last edited by Kracka; Jan 24, 2013 at 06:08 AM.
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Old Jan 24, 2013 | 06:48 AM
  #142  
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I got the safest setup known to man. Flintstone power SAAANNNNN!!! All I gotta worry about is cramping in my legs.
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Old Jan 24, 2013 | 07:45 PM
  #143  
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Last edited by PlanoEvo; Jan 25, 2013 at 07:32 AM.
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Old Jan 25, 2013 | 06:22 AM
  #144  
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...
Originally Posted by Supraboy1
The stock Evo X internals can hold over 450 HP and 400 TQ all day with no issues if properly tuned. Your complaining... that the internals from the factory....??? which already BONE stock make and maintain more HP PER LITER than any other car currently made.... You show me another PRODUCTION made car... even the Bugatti that has more I'll buy you lunch sir..

It gets old when people expect the car to make 1000 HP from the showroom floor. If "almost" anyone blows their motor with a stage 2 and tune... its 99% of the time.. the tuners fault.

Last edited by Kracka; Jan 25, 2013 at 06:53 AM. Reason: being nice
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Old Jan 25, 2013 | 09:15 AM
  #145  
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What i have learned from the past page of this thread...

Do not disagree with Kracka even if you are right and so does everyone else.

(this post will probably last 1.5 mins before he deletes it).
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Old Jan 25, 2013 | 10:45 AM
  #146  
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Post whatever you like. If I disagree with you, it's for good reason.

Anyway, back on topic...
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Old Jan 25, 2013 | 10:51 AM
  #147  
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I'd definitely say an EF3 is safer than an EF2/2.5, tuned to the same power level (say 420whp for this example.) The EF3 will spool a bit slower, so the torque hit won't come on as fast or as low in the RPM range for the sake of the rods. High low end torque kills our rods. Also, it will make that 420whp on less boost, so the air charge will be cooler, again making it safer. There is nothing safer about the EF2/2.5
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Old Jan 25, 2013 | 11:00 AM
  #148  
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Yes, we've already established than a detuned turbo is safer than a fully tuned turbo. That is common sense. I am not going to spend all this time and money modifying car to take anything less than full advantage of a setup though. If that was my plan, I would just leave the car stock since that's about as reliable as it'll get.

You also need to realize that boost isn't the same thing as airflow; boost is a measure of restriction.

So, by your theory, the stock turbo is the least safe choice for the car, correct?

We obviously disagree though, which is fine, the world will still turn tomorrow (probably)

Last edited by Kracka; Jan 25, 2013 at 11:37 AM.
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Old Jan 25, 2013 | 12:30 PM
  #149  
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Originally Posted by Kracka
Yes, we've already established than a detuned turbo is safer than a fully tuned turbo. That is common sense. I am not going to spend all this time and money modifying car to take anything less than full advantage of a setup though. If that was my plan, I would just leave the car stock since that's about as reliable as it'll get.

You also need to realize that boost isn't the same thing as airflow; boost is a measure of restriction.

So, by your theory, the stock turbo is the least safe choice for the car, correct?

We obviously disagree though, which is fine, the world will still turn tomorrow (probably)
I know the difference between boost and airflow. But at the same psi...say 25psi, the EF3 will be flowing more air than the EF2/2.5. So it will make more power. So you can turn the boost down on the EF3 . That's why I said when tuned to the same power level, the EF3 will have a cooler charge.

And a torque spike from stock turbo is more likely to break a rod than an EF3 where torque ramps in nice and smooth, yes. Especially on E85, or someone who WOT's 5th gear down low, etc.
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Old Jan 25, 2013 | 01:08 PM
  #150  
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they make different sized turbos for different power levels and desired powerbands for a reason. you don't (or shouldn't rather) buy a bigger turbo to make your motor safer. you buy a turbo based on your desired power level within it's efficiency range.

as far as smaller turbo, it can be tuned to your desired torque level by simply tuning the wgdc, desired boost levels, mivec properly. just because you may have a stock turbo running at 27psi doesn't mean you HAVE to spool it's ***** off by 2999 rpm. you can ramp it up as gently or aggressively as you want.

Last edited by momostallion; Jan 25, 2013 at 01:16 PM.
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