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Car went great, i did 10.8 even with miss shifted gear, and 10.5 braking before finish line
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Funny locking dyno chart , guesse why ?
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WTF happened there?
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wheel spin on the dyno?Go Holset or Go RS4Comment
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Seems that i have some problems with the central torsen.Comment
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Just seen you pics, your turbo looks like a Ct4 not a Ct43?
You will be able to tell as the CT4 has a 2.5 inch outlet and the CT43 a 3" outlet and the CT43 normally has a pretapped boost thread in the compressor housingComment
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It has the same outlet like GTK which is 3". I was surprised to see the same spoolup like, the smaller GTK-650 (hotside / turbine wise). But backpressure still high , i might have to step up to 0.96 or larger AR . I think that this turbo will easily do 800hp@2 bars, if i can have close to 1-1 backpressure ratio.Comment
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How are you measuring back pressure?Comment
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On dyno, a pressure sensor before turbo , i have something like 2.2 vs 1.5 boost @ 7500rpm,Comment
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Small updates for this year.
10mm lead wire from UK
Bosch Sparkplug F2CS - will gap to 0.4 if needed.
Arp2000 12mm headbolts
Some weight loss
And new turbo ordered Compturbo CT43 76/79 billet 0.96 AR T4 - will see how is this compared to 67mm and GTK.
Target for 2012, mid to high 9s
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Which leads do you use? Be aware that the biggest restiction can be cheap connectors.
What is your weight target?Comment
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Formula power, multicore 10mm
weight target is around 1250kg
power target is around 800-850hp with moderate boost, and good powerband.
and 1.3-1.4 60ftComment
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New turboComment
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Turbo in position, also found some problems on Furans intake manifold,and some leaks, maybe this was the cause for backpressure, and for 67mm turbo not delivering what it should
Also measured the compresor it is 78mm with 105exducerComment
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