I have just aquired a set of SMIC's and a load of pipes for a very reasonable price :D VERY happy bunny :D

Question for the day though is:

What effect does the location of the MAP sensor have on running? I.E. does it need to be as close as possible to the Intake Manifold?

the standard SMIC has the sensor at the top so it is pretty close to the end of the air path. The twin setup on the S3 has the map sensor in a pipe just before the inlet manifold. What I am hoping to do is utilise the current inlet manifold and just route the pipes in a similar style to some of the Golf MK4 FMIC's by going to the right of the engine and down to the passenger one first then across the front in the S3 hardpipe that was supplied as well (Bargain) then use the standard SMIC>TB pipe to finish. What this means is that I can fit the MAP Sensor pipe before the passenger side IC but need to know what effect this will have if any?

I was going to get the exhaust guy I use to fab any pipes that were needed, so my original thoughts were to put it in the cross pipe, but as this was also supplied along with the the proper sensor pipe he doesn't need to do so much.

MAP sensor should be as close to the Manifold as possible, in a perfect work it would be in the manifold as it's is meant to measure Manifold Absolute Pressure.

Also don't forget you will need to either remove the passenger side bumper grille or get a LHD one if that makes sense.

This is due to the right hand one not being mesh but solid

already cut away lots of the plastic and just need to put some mesh over it and spray to finish. I opened up the drivers side one previously as there was a lot of airflow restriction. Covered it in a fine mesh to stop stones but increased air flow. I will also need to vent the passenger wheel arch liner as well as I only did the drivers one previously. I was holding out for an uprated SMIC from Milsey but this was too good a price to miss.

So does anyone know what the implications of mounting the sensor before the I/C's will be? will it think it is making boost easier/quicker than it actually is and therefore not boost as hard/long as previous?

Also don't forget you will need to either remove the passenger side bumper grille or get a LHD one if that makes sense.

This is due to the right hand one not being mesh but solid

or you could drill the original or buy a spare one to drill.

like so

4x4 one is different

4x4 one is different

same principle tho? grill's maybe diff style but are the passenger side not solid plastic the same as the vrs? i drilled that one out to improve air flow when i fitted my old CAI.

more like slots on the 4x4, I cut them out leaving just enough strength to support wrapping fine mesh over then spraying black

Edited 28 October, 201015 yr by karlbar2k