Interesting stuff. Did you have the Evolve IC there on the day? Would have been good to see the comparisons across all 3...
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Number 9 in that photo is the resonator. It won't harm whilst running with the stock IC and the stock boost pressure, cause it was designed to, but becomes a problem when running a 250% larger in volume IC. Flow is messed up big time, even more with higher boost pressure!
This restrictor was designed to eliminate the compressor's spinning noises when boosting. Together with that it achieves to erase any turbo lag, but with the stock boost levels!
Once you alter the volume of the boost hoses system (adding a larger IC) you need to get rid of this unwanted restrictor, cause what you are doing is, you are filling your new larger IC with air that is traveling too slow, hence the unbelievable cooling effect of only +5oC inlet and outlet. What you want to do is to allow air to flow unrestricted into your IC, let it do it's job and gain from it.
That's my understanding and my experience together, and don't worry about turbo lag...your tune is taking good care of it!
With stock boost pressure?Also the Evolve V1 that was tested at Lohen was a straight swap and running the stock resonated feed pipe and that made 6bhp...
Let me see if I can find it in their thread...With stock boost pressure?
Interesting, very interesting. If this is the case and we need to provide something else in the kit to remove a restriction up stream we can look in to it.Reading this, and a little head scratching to answer why on earth are you loosing power instead of gaining with a FMIC, it just stroke me...HAVE ANY OF YOU REPLACED THE PRE IC BOOST TUBE WITH THE HUGE RESONATOR/RESTRICTOR ON IT?
Maybe this is to blame...
I tested the stock, the Forge and the Evolve V2 with various tunes and ALL dyno data were GAIN after GAIN...
I run the Samco boost hose kit.
Even if you don't want to buy expensive silicon tubes, you can eliminate the Resonator replacing it with a simple aluminum pipe.
Please try it...before I loose my hair :laugh:
This is the coolant hose kitI will purchase a Samco kit soon.
Which one is it Thepenl?
SamcoSport UK - Car Kits
I am guessing then that boost hose kit is the one I need to remove that resonator?This is the coolant hose kit
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This is the intake hose kit
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And this is the boost hose kit (5 pieces)
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And some photos of them fitted to my engine.
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Sorry... Any idea what boost pressure is?**EDIT: Being a dick and not reading things properly...