S2 Avant MTM -> RS2 -> GT3071R -> CT355

[A80Avant]

Bram it depends on how you want it.I think both options are good enough for the 3071R (i have 500x30x65mm) and inlet temperatures are very low.

If you will go to a bigger turbo later on though you would be better off with the reverse IM and IC.

I on the other hand im holding still the OEM inlet manifold because i like the cruise control very much and im not sure how easy it is to make it happen with the reverse.Its my compromise against efficiency at the moment.I am not sure if i use the GT3076 in the future and find it more laggy,i may go for the IM myself

[Bram]

Many people re-use the cruise control with reverse IM. That should not be holding you back.

In a sense the throttle respons is already superb with the Garret turbos and the spool-up and the max boost RPMs of my turbo are also quite low. I doubt if the reverse inlet IM will improve both the throttle-respons and the spool-up RPM with significant difference.

The thickness of the RS2 EVO IC from Carsten is approx. 30% increased, compared to the OEM RS2 IC. So I guess for a GT3071R setup that should be sufficient. Maybe I should just buy it and I can probably sell it again when a reverse inlet IM is needed

I think I just answered my own questions!

[Henkjan]

just to add to your confusion : with the Wagner IM there is less plumbing between turbo and engine, so (apart from the obvious advantage of reduced lag, less heat-up, and slightly higher efficiency (due to lower friction losses in the pipes)) less chance on pipes/hose connections leaking or failing...

btw: has anyone posted results of just the IM upgrade? so rolling road and buttmeter before and after, where the only change was the IM?

[Jamo]

Many people re-use the cruise control with reverse IM. That should not be holding you back.

In a sense the throttle respons is already superb with the Garret turbos and the spool-up and the max boost RPMs of my turbo are also quite low. I doubt if the reverse inlet IM will improve both the throttle-respons and the spool-up RPM with significant difference.

The thickness of the RS2 EVO IC from Carsten is approx. 30% increased, compared to the OEM RS2 IC. So I guess for a GT3071R setup that should be sufficient. Maybe I should just buy it and I can probably sell it again when a reverse inlet IM is needed

I think I just answered my own questions!

ALL Turbo's not matter of size gain from the reverse IM

S2_Bo couldn't believe the difference on a stock K24.

[quattrostyle]

btw: has anyone posted results of just the IM upgrade? so rolling road and buttmeter before and after, where the only change was the IM?

I will put a modified AAN IM on my S2 with stock turbo, but with RS2 EM and bigger IC, will do a rolling road test afterwards.

[A80Avant]

can i see some photos of cruise control remodification on carstens IM then please?? i need to get some ideas....

[Lupo911]

btw: has anyone posted results of just the IM upgrade? so rolling road and buttmeter before and after, where the only change was the IM?

as soon as i get my "Testcar" i will suply some Comparison Data...

[Bram]

as soon as i get my "Testcar" i will suply some Comparison Data...

Hi Carsten,

What data will you provide and what is the turbo config of this "Testcar"?

Data will be HP increase? Inlet temps? spool-up gains?



Cheers

[Bram]

Thanks to the good service from Aelred. 4 Konies for the Avant

[Bram]

And also a big thanks to Carsten for sending me one of his last RS2 EVO intercoolers

It's a massive IC. I have large hands

[A80Avant]

massive indeed! a very nice addition !

[madpugger]

WOW i cant wait to get home from offshore and see mine

[Jamo]

And also a big thanks to Carsten for sending me one of his last RS2 EVO intercoolers

It's a massive IC. I have large hands

I do like it in black, I must get pics of my IC I received today from Carsten

[Rocco]

great interccoler upgrade you have in your "big" hands Bram


aniway if you go for the reverse IM from Carsten this intercooler it´s useless true??

[Henkjan]

..... Maybe I should just buy it and I can probably sell it again when a reverse inlet IM is needed

so it is useless as in: will not fit on yr own car... it can be very usefull on another car