[s-cars] Re: FMIC - was Clamps for Samco hoses (yep, again :) )

[Igor Kessel]

David Mackintosh wrote:
> I had written up some comments on AW, but here are some more:
> 
> I have the MRC Stage 2 chip on my otherwise stock engine/drivetrain (brakes
> and suspension are modded).  I only can buy 92 octane here in Oregon and I
> could feel the timing pulling back, especially around 4-5k rpm, leading to
> non-linear throttle response and loss of power.  Mihnea had offered to send
> another chip for our craptacular fuel, but I decided to hold off, and
> thought the FMIC might help.
> 
> The install took me a total of about 7-8 hours (spread out over three
> evenings), including trimming and re-fitting the oil cooler duct and bumper
> skin (no mods to the bumper beam).  The kit is 100% complete, and everything
> fit well, but is quite snug.  I never would have had time and patience to
> prototype the piping myself.  If there's any front end damage of your car,
> fuhgetaboutit.  
> 
> I was hoping for at least a small improvement, but was very pleasantly
> surprised by how much difference it made.  With the same fuel, it pulls
> through the rev band much smoother, and noticeably harder from 4-5k (I
> seldom rev past about 5,500 since stock turbo peters out).  Also, I believe
> I got about a 200 rpm drop in boost threshold (I've seen 20 psi at 2,600
> rpm, and up to 25-26 psi max around 3,200 rpm at 3,700 feet altitude).
> Overall, I'm very happy with it.  I would guess that the stock IC is even
> less adequate with an RS2 or other big turbo, so it would be an even better
> upgrade for those cars. 
> 
> I haven't measured pressure drop, but I suspect it's less than stock, based
> on the size and configuration of the core and piping.  I also haven't
> measured the temps, but the outlet end tank never seems to warm up to the
> touch.  
> 
> David Mackintosh
> mackintosh at gorge.net
> 541-400-6300 (cell)
> 
> -----Original Message-----
> From: Igor Kessel [mailto:KBATPO at comcast.net] 
> Sent: Wednesday, July 20, 2005 2:08 PM
> To: David Mackintosh
> Cc: s-car-list at audifans.com
> Subject: FMIC - was Clamps for Samco hoses (yep, again :) )
> 
> David,
> can you tell us your opinion of this particular FMIC at least in broad 
> strokes? Do you see any pressure drop from inlet to the outlet?

Thank you very much for the write-up, David.

-- 
Igor Kessel
two turbo quattros