a4 b5 2001 AWM cheap interooler
1st Gear
Joined: Apr 2009
Posts: 127
From: West Chester, PA
Mike, did you try and find another builder for a B5 fmic kit or have plans to do so? Obviously the market is still there for a nice $500 kit because I see these threads everyday. I still haven't bought one yet, sooo you'd be even more the man if you can make it happen!
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1st Gear
Joined: May 2010
Posts: 44
Yeah i was planing to use a reiger rs4 bumper i believe i would have plenty of space
Mike, did you try and find another builder for a B5 fmic kit or have plans to do so? Obviously the market is still there for a nice $500 kit because I see these threads everyday. I still haven't bought one yet, sooo you'd be even more the man if you can make it happen!
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Joined: Sep 2005
Posts: 13,664
That is only correct if he goes with a FMIC that is way too big or goes with a core that has a large amount of pressure drop.
Fact is that most good FMIC cores will have less then 1psi of pressure drop even on a K03.
My car was used for R&D/testing for the Evoms dbw B5 FMIC kit way back in 2001. I saw no big pressure drop and even gained power because the ecu wasn't pulling back as much timing even during a 1 gear pull.
So a FMIC is very helpful even with a K03.
The key is to get the correct size FMIC for the size turbo being used, they are rated by HP. Problem is too many people go and buy cores that are good for 600-700hp when they aren't even making 400hp.
Fact is that most good FMIC cores will have less then 1psi of pressure drop even on a K03.
My car was used for R&D/testing for the Evoms dbw B5 FMIC kit way back in 2001. I saw no big pressure drop and even gained power because the ecu wasn't pulling back as much timing even during a 1 gear pull.
So a FMIC is very helpful even with a K03.
The key is to get the correct size FMIC for the size turbo being used, they are rated by HP. Problem is too many people go and buy cores that are good for 600-700hp when they aren't even making 400hp.
Last edited by onepoint8tee; Jul 23, 2010 at 06:46 PM.
If I may also add, that you should use T-clamps when connecting your couplers. I had to find out the hard way that the clamps you can buy from autozone don't hold up to high boost pressures, or not for long atleast. Just my .02