Next Step in Mod Path?
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Joined: Apr 2012
Posts: 1,603
From: Atlanta
Rep Power: 115
When I was at your point with my 2003 X50, I did the following.
1) wastegate actuators (helped low end a bit and helps the stock K24s hold more boost at peak). Will be selling mine shortly if you're interested.
2) SRM 4.5" intercoolers and silicone hoses. Won't "make" a ton of power, but it will make your car much more consistent and not pull timing in the higher gears. Even in 38* F ambient temps, my car was hitting over 100* air intake temps during a third gear pull. Now my car is generally within 5 degrees of ambient and intake temps only increase 10* during a third gear pull.
3) mafless tune and filters on turbos. This helped a ton. Car is more responsive and builds full boost to 1.3 bar (couldn't hit full boost before this because I'm at 4,500 ft elevation in Utah and the stock intake pipes suck)
Best of luck, have fun... it's addictive! (I will be upgrading turbos next)
1) wastegate actuators (helped low end a bit and helps the stock K24s hold more boost at peak). Will be selling mine shortly if you're interested.
2) SRM 4.5" intercoolers and silicone hoses. Won't "make" a ton of power, but it will make your car much more consistent and not pull timing in the higher gears. Even in 38* F ambient temps, my car was hitting over 100* air intake temps during a third gear pull. Now my car is generally within 5 degrees of ambient and intake temps only increase 10* during a third gear pull.
3) mafless tune and filters on turbos. This helped a ton. Car is more responsive and builds full boost to 1.3 bar (couldn't hit full boost before this because I'm at 4,500 ft elevation in Utah and the stock intake pipes suck)
Best of luck, have fun... it's addictive! (I will be upgrading turbos next)
Ahhh 38 degrees out and you were still hitting 100 degrees in air take temp? Something is seriously wrong then.
Banned
Joined: Apr 2012
Posts: 1,603
From: Atlanta
Rep Power: 115
You will see gains when your around 800hp.
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Joined: Feb 2015
Posts: 198
Rep Power: 27
With stock intercoolers and stock K24s pushing 1 bar through stock inlet pipes in very thin 4500 ft air, yes.
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Joined: Feb 2015
Posts: 198
Rep Power: 27
Actually, I just looked at the logs. I hit 86*F at the top of third, before the intercoolers. Still, damn close to 100.
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Joined: Apr 2009
Posts: 2,949
From: Virginia
Rep Power: 575
Throttlebody will get some gains but I'm skeptical of the plenum alone. I've got an SRM plenum and 997 TB but Sean warned me gains would mostly occur on higher power cars. I did it fr the more secure coupling and because we already had it torn apart. I wouldn't suggest it as an early mod for sure.
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