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2.7t stock load curve
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Topic: 2.7t stock load curve (Read 4769 times)
j2mc
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2.7t stock load curve
« on: November 09, 2011, 11:05:27 AM »
Why does the stock load curve peak at 1850 rpm? It seems there is always a huge difference in req'd load/boost and actual load/boost until you get well past the peak. I've tried a few different scenarios and the most boost i've been able to build at 1850 rpm is about 4 psi even though it is always requesting 10+.
This isn't causing me any problem, I just wonder why it is set this way(and if my tune should do the same, which it currently does).
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2.7t stg2
Rick
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Re: 2.7t stock load curve
« Reply #1 on: November 09, 2011, 01:33:50 PM »
Standard car makes it's peak torque at 1800rpm, so most of your boost should be in by then.
RIck
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j2mc
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Re: 2.7t stock load curve
« Reply #2 on: November 10, 2011, 10:48:38 AM »
Is there something wrong with my car then? I've never come close to having most my boost in by 1800 rpm, like I said after trying several different ways the most I've gotten at 1800 rpm is 4 psi, usually i'm lucky to see 2-3.
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2.7t stg2
NOTORIOUS VR
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Re: 2.7t stock load curve
« Reply #3 on: November 10, 2011, 10:54:30 AM »
me7 load =/= boost directly
that said, I find it hard to believe you can't hit close to peak TQ in a high gear by 1800... remember we're talking about a stock car here, so 7-8 psi max mainly.
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Rick
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Re: 2.7t stock load curve
« Reply #4 on: November 10, 2011, 11:59:41 AM »
Inlet pressure time for you I think.
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