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New BW EFR Turbo Thread

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Old Sep 27, 2012, 09:05 AM
  #2011  
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Geoff's pulls are the Blue ones, mine are in Red.
7670 is 1.05A/R External, 8374 is .92A/R IWG


Geoff's 2.0L 8374 on 91 pump vs. R/TErnie's 2.2L 7670 on 92 pump
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Geoff's 2.0L 8374 on Race gas vs. R/TErnie's 2.2L 7670 on E85
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Geoff's 2.0L 8374 on Race gas vs. R/TErnie's 2.2L 7670 on E85
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Last edited by R/TErnie; Sep 27, 2012 at 12:45 PM.
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Old Sep 27, 2012, 11:11 AM
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Originally Posted by johnsm
i run 7670 iwg on suby, full boost by 4200 rpm on pump, iwg works perfect! no need all the extra costs for ewg`s The cool thing when i floor the gas pedal i see instant 5 psi, before on 35R i had to wait for it to come in, see more in blog in my signature,
how many miles do you have on your turbo?
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Old Sep 27, 2012, 12:42 PM
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thanks for posting the dyno comparison eric - it may also be worth noting my 8374 has 0.92 a/r internal WG and your 7670 has 1.05 a/r external WG
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Old Sep 27, 2012, 01:45 PM
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Both are twin scroll? What boost were all of those at?
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Old Sep 27, 2012, 01:47 PM
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mine was 18psi on 92 oct.
25psi in 3rd
spike to 34psi settle to 25 in 4th

I forget what Geoff was running, but I don't think he was running much more boost than I was.
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Old Sep 27, 2012, 04:49 PM
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Originally Posted by 94AWDcoupe
how many miles do you have on your turbo?
are you concerned about reliability Jerry?
We (E&H Motors) received one of the first 7670 external wastegate turbo's after BW's "revision", and that car has been absolutely hammered on the track and the dyno. It's going well, and the owner (Carl Ruiterman) absolutely loves it!
Even more fun with the 6 speed sequential
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Old Sep 27, 2012, 07:55 PM
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I'll be hitting the dyno soon so we will have more graphs to over lay. Mine is a 2.0, it will be on E85 or E-98 if I can find some.
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Old Sep 27, 2012, 10:12 PM
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Originally Posted by evosdad
I'll be hitting the dyno soon so we will have more graphs to over lay. Mine is a 2.0, it will be on E85 or E-98 if I can find some.
and at altitude
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Old Sep 28, 2012, 06:14 AM
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Very nice results!
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Old Sep 28, 2012, 06:26 AM
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Any updates on availability
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Old Sep 28, 2012, 09:02 AM
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November???
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Old Sep 28, 2012, 09:40 AM
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Talx,
what turbo are you waiting for?
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Old Sep 28, 2012, 12:47 PM
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Originally Posted by RSMike
are you concerned about reliability Jerry?
We (E&H Motors) received one of the first 7670 external wastegate turbo's after BW's "revision", and that car has been absolutely hammered on the track and the dyno. It's going well, and the owner (Carl Ruiterman) absolutely loves it!
Even more fun with the 6 speed sequential
yes very much so. It seemed all the initial results were riddled with turbo failure. some had multiple failures.
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Old Sep 28, 2012, 01:44 PM
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Originally Posted by RSMike
are you concerned about reliability Jerry?
We (E&H Motors) received one of the first 7670 external wastegate turbo's after BW's "revision", and that car has been absolutely hammered on the track and the dyno. It's going well, and the owner (Carl Ruiterman) absolutely loves it!
Even more fun with the 6 speed sequential

good to hear that! That's exactly what I am going to do. Turbo won't be seeing more than 25psi though.
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Old Sep 28, 2012, 03:28 PM
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Originally Posted by 94AWDcoupe
yes very much so. It seemed all the initial results were riddled with turbo failure. some had multiple failures.
I have a 1000 miles on mine. Peak recorded boost pressure (per map limit) was 390kpa. I'll be out autocrossing the weekend... drag racing next weekend.
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