IAT sensor positioning.

[orignalS60]

So I bought an intake manifold from
Hank at Iroz Motorsports. He doesn't
like to put the intake air sensor after
the throttle body on the manifold like
in stock configuration.

Where do you guys recommend I put the
sensor? I was thinking to weld an IAT bung
on my charge piping right before the throttle
body. I will be using the 1.8t sensor &
VEMS. Any thoughts?

[gnutz2]

What's he worried about? Heat soak in the manifold?

[orignalS60]

I don't remember his reasoning.

[gnutz2]

There's not a lot in it really, just in front or after the tb would be ideal.

[Kieron20V]

Doesn't really matter where it goes really as long as you map accordingly for it, it's just another variable to tune.

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[silizium]

You can't map something sensor doesn't see.

[Bowie69]

As long as it sees the hot air, and you tune against that, it matters not where it is...

[diesel des]

I have noticed a lot of heat soak inn the manifold when sitting still for long times so I can see hanks idea working. Because it's alloy it conducts heat up from the head.

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[Error404]

You want to avoid heat soak off the manifold affecting the measurement but if it's too far from the cylinders it won't be an accurate measurement either, so as always it's a compromise.