To high EGT caued by too much fuel or small A/R on turbo?

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BlackT

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	To high EGT caued by too much fuel or small A/R on turbo? « on: March 31, 2024, 01:06:54 PM »

I have tuned two cars
1.8T and BMW 2.8T
Both have a really high EGT, both have small turbos. And Lambda below around or below 0.68 under full boost

Exhaust manifold gets red hot really fast, yust one pull form second to 4 th gear is enought

Can a unburned fuel make that, or small A/R on turbo is problem?

Timing is good, around 20° under full load, no retard


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James1

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	Re: To high EGT caued by too much fuel or small A/R on turbo? « Reply #1 on: April 05, 2024, 01:15:09 PM »

It is normal for the manifold to glow under load. 0.68 is too rich and most engines will missfire, so I'm not convinced it is correct.


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prj

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	Re: To high EGT caued by too much fuel or small A/R on turbo? « Reply #2 on: April 05, 2024, 01:19:50 PM »

EGT is high because "trust me bro" Cheesy


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rotoutxi

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	Re: To high EGT caued by too much fuel or small A/R on turbo? « Reply #3 on: April 05, 2024, 04:38:05 PM »

It is high because I used my own hand as a log.


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