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  #41  
Old 02-07-2015, 10:50 PM
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Yea


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Huh...
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  #42  
Old 02-09-2015, 11:47 AM
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  #43  
Old 02-09-2015, 01:13 PM
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So let me get this straight. You were running 63psi of boost and 40psi of bp?


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Originally Posted by Swsignal5 View Post
Yea

What were you using to monitor ebp?

Without an aftermarket sensor your not reading the correct ebp. I assume your using the mini max pid for ebp. That is horribly inaccurate. Before you get too defensive you need to be correct with your readings.

And fwiw, you may be able to get close to 1:1 ebp, but the laws of physics always dictate that the energy required to push the turbine will always be higher than the output. There will always be efficiency loss, parasitic loss and heat loss using a finned wheel on shaft in a housing that allows energy to bypass (since it's not a 100% seal on the turbine wheel) to turn a finned wheel on the opposite side. Doesn't matter what turbos. That's just how it is.










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  #44  
Old 02-09-2015, 01:16 PM
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Originally Posted by Morgan@Midwest Diesel & Auto View Post
What were you using to monitor ebp?

Without an aftermarket sensor your not reading the correct ebp. I assume your using the mini max pid for ebp. That is horribly inaccurate. Before you get too defensive you need to be correct with your readings.

And fwiw, you may be able to get close to 1:1 ebp, but the laws of physics always dictate that the energy required to push the turbine will always be higher than the output. There will always be efficiency loss, parasitic loss and heat loss using a finned wheel on shaft in a housing that allows energy to bypass (since it's not a 100% seal on the turbine wheel) to turn a finned wheel on the opposite side. Doesn't matter what turbos. That's just how it is.










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Are you trying to say anything about physics? and the laws of physics?

Are you implying an electric car still leaves a carbon footprint somewhere?

... Are you trying to say that there is no such thing as a hybrid turbo?!!
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  #45  
Old 02-09-2015, 05:09 PM
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Originally Posted by CATDiezel View Post
Are you trying to say anything about physics? and the laws of physics?



Are you implying an electric car still leaves a carbon footprint somewhere?



... Are you trying to say that there is no such thing as a hybrid turbo?!!

Don't muck this thread up with that jibberish!!!


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  #46  
Old 02-09-2015, 10:07 PM
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Originally Posted by Morgan@Midwest Diesel & Auto View Post
Don't muck this thread up with that jibberish!!!


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Hey, the last line was discussion for the possibility of a hybrid turbo(s). Yes or no. Science says?

That's been a discussion since 2003 with no conclusion. Lol
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  #47  
Old 02-09-2015, 10:18 PM
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Originally Posted by Morgan@Midwest Diesel & Auto View Post
What were you using to monitor ebp?

Without an aftermarket sensor your not reading the correct ebp. I assume your using the mini max pid for ebp. That is horribly inaccurate. Before you get too defensive you need to be correct with your readings.

And fwiw, you may be able to get close to 1:1 ebp, but the laws of physics always dictate that the energy required to push the turbine will always be higher than the output. There will always be efficiency loss, parasitic loss and heat loss using a finned wheel on shaft in a housing that allows energy to bypass (since it's not a 100% seal on the turbine wheel) to turn a finned wheel on the opposite side. Doesn't matter what turbos. That's just how it is.

maybe he doesn't know that ebp stops at 40 on the factory sensor ? or is it 42 ? I had to use IDS to get my readings . but I had 62 psi at 47 lbs of boost with a non-vgt single. it was definitely WAY higher on this twin setup without a gate. probably sky high aka rod bending high . hence the VERY low power for all that boost.
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  #48  
Old 02-09-2015, 10:33 PM
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Hmm. That's interesting mike. The sensor is linear to voltage and psi reading being a simple 3 wire power/signal/ground unit. I would have thought the mini maxx with the correct PID equation could interpret that properly. Unless the baud rate is too slow for update.... which that I could see being the processor in the MM is pretty slow. According to the graph and chart for the sensor. It would or will be out of range around 85psi for ebp. Anything over 4.5v is a reference for out of range /short to high.

Agree 100% if you cannot exhaust what's before the turbine it will only build a "false" boost pressure. Probably why he had bent rods.

Did you "mike" have bent rods from the engine you just pulled out of yours?
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Last edited by CATDiezel; 02-09-2015 at 10:37 PM.
  #49  
Old 02-10-2015, 12:28 AM
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Originally Posted by CATDiezel View Post
Hmm. That's interesting mike. The sensor is linear to voltage and psi reading being a simple 3 wire power/signal/ground unit. I would have thought the mini maxx with the correct PID equation could interpret that properly. Unless the baud rate is too slow for update.... which that I could see being the processor in the MM is pretty slow. According to the graph and chart for the sensor. It would or will be out of range around 85psi for ebp. Anything over 4.5v is a reference for out of range /short to high.

Agree 100% if you cannot exhaust what's before the turbine it will only build a "false" boost pressure. Probably why he had bent rods.

Did you "mike" have bent rods from the engine you just pulled out of yours?
hell no my motor is perfect. and no the minimaxx stops at 40-42.
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  #50  
Old 02-21-2015, 08:47 AM
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does anyone have the streetmax turbo an duel fuelers..i was wondering if the tuning is worked out for a set up like this
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