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Stepping my IX up for 91/E85, looking for final preparation suggestions

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Old Jun 22, 2018, 08:35 AM
  #316  
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I'd rock the red because it comes up so well on a 2.1 but I've got a biased opinion I feel the red is well matched for these cars as a do anything turbo and be fun around town, auto x or road course.

A 2.3 MHI black would be alot of fun also at moderate levels.
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Old Jun 22, 2018, 08:39 AM
  #317  
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Originally Posted by Abacus
Congrats on the numbers. If that reads similar to a dynojet Thats alot of torque at low rpm's on the stock block. High load/low rpm can be hard on things. Was that the cowboy run before it was turned down some?
Based on my experience dealing with RR they wouldn't let him leave with an unsafe tune. E85 is a hell of a drug. The true AFR of E85 at a Gasoline 14.7:1 is ~9.85:1 so at a WOT ~11:1 your at like a 7.32:1 you can imagine how much alcohol you are dumping in there. This really helps with those blow dryer like conditions.
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Old Jun 22, 2018, 08:42 AM
  #318  
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Originally Posted by 2006EvoIXer
Hi Tim, I am worried about that too. I did a bit of comparing between dynos and noticed that these Dynapacks reads torque differetly compared to others. These torque numberd appear high on this dyno compared to others. Not sure why since they're usually a factor of horsepower. I should ask for a detune for safety.
I don't plan on running this 71 long. I have a Red and Black sitting in my living room. I'm thinking Red next on my stock bottom and save Black for 2.1 stroker. What do you think?
I actually really like the way the dynapack works. It allows tuners to do just what you where talking about, dynamically create different amounts of load on the car for simulating all kinds of conditions. There is also like a 0% chance of the car hopping off
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Old Jun 22, 2018, 09:03 AM
  #319  
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Originally Posted by Biggiesacks
I actually really like the way the dynapack works. It allows tuners to do just what you where talking about, dynamically create different amounts of load on the car for simulating all kinds of conditions. There is also like a 0% chance of the car hopping off
It also eliminates tire traction problems which can be misread as weak power point where a new tuner could try more timing to smooth out curve.

So I should use Red on stock bottom and for 94mm stroker? Both are MHI hotsides.
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Old Jun 22, 2018, 10:22 AM
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Originally Posted by 2006EvoIXer
It also eliminates tire traction problems which can be misread as weak power point where a new tuner could try more timing to smooth out curve.

So I should use Red on stock bottom and for 94mm stroker? Both are MHI hotsides.
Did you talk to Sam about it?
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Old Jun 22, 2018, 10:44 AM
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Originally Posted by Biggiesacks
Did you talk to Sam about it?
I did and he showed me actual dyno graphs of each. I recall peak torque for Red cam in about 4300rpm and Black was about 4800rpm on stock blocks. I'm looking at about 1000rpm difference for Red and 2000 for Black. Red is tolerable but Black will be tough to get used to.
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Old Jun 22, 2018, 11:00 AM
  #322  
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Originally Posted by 2006EvoIXer
I did and he showed me actual dyno graphs of each. I recall peak torque for Red cam in about 4300rpm and Black was about 4800rpm on stock blocks. I'm looking at about 1000rpm difference for Red and 2000 for Black. Red is tolerable but Black will be tough to get used to.
Well then at this point it probably comes down to your use case / preferences, which is pretty hard to for anyone else to figure out. I vote drive it with the 71 for 90 days to solidify your impressions then swap it out and see if you like it or not. Beyond what the numbers on the screen say, as in how you like it in your use case.
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Old Jun 22, 2018, 11:46 AM
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Originally Posted by Biggiesacks
Well then at this point it probably comes down to your use case / preferences, which is pretty hard to for anyone else to figure out. I vote drive it with the 71 for 90 days to solidify your impressions then swap it out and see if you like it or not. Beyond what the numbers on the screen say, as in how you like it in your use case.
Good idea. I better save this tune in case I go back to 71.
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Old Jun 22, 2018, 11:52 AM
  #324  
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Originally Posted by 2006EvoIXer
Good idea. I better save this tune in case I go back to 71.
Having a hot spare is never a bad thing. If the red needs to go out for service or what ever you have something you can throw in and have a tune for it ready to go. If you decide to stick with the Red that is.
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Old Jun 23, 2018, 05:50 AM
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Originally Posted by 2006EvoIXer
Here you go. Maxed out 71HTA with HFC.
What gear is it dynoed on?
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Old Jun 23, 2018, 09:36 AM
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Originally Posted by EVOFans
What gear is it dynoed on?
3rd
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Old Jun 23, 2018, 10:31 AM
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Originally Posted by MinusPrevious
Don. What was the issue w/the intake not connected when i saw it?
I have nothing but respect for Sam. He automatically modded my DV to max out my 71HTA.
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Old Jun 23, 2018, 01:11 PM
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Originally Posted by 2006EvoIXer
3rd
Looks like a super fun powerband
Holy batman, it is pretty impressive and seems like you can rev it out to around 7500RPM and still get good power there
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Old Jun 23, 2018, 01:15 PM
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Originally Posted by EVOFans
Looks like a super fun powerband
Holy batman, it is pretty impressive and seems like you can rev it out to around 7500RPM and still get good power there
boost drops to 21 psi at 8000, so it's all fun up to 7500rpm.
Last edited by 2006EvoIXer; Jun 26, 2018 at 09:57 AM.
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Old Jul 3, 2018, 09:00 AM
  #330  
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Don. Rear motor mount detail per your request



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