Hoppen 3B ecu mod and 3.0 bar PT's
auditude at cox.net
auditude at cox.net
Wed Apr 2 13:48:23 EST 2003
Thanks, I presume this is a resolution issue. That's a good point.
Bernie Benz <b.benz at charter.net> wrote:
> A 3 Bar PT is a disadvantage in a system that will never see more than 2.5
> Bar, if a 2.5 Bar PT is available.
> > From: <auditude at cox.net>
> > Date: Wed, 2 Apr 2003 11:37:15 -0500
> > To: 200q20v at audifans.com
> > Subject: Hoppen 3B ecu mod and 3.0 bar PT's
> > Hello List,
> > Hoppen has told me that their ecu modification for the 3B engine uses a 2.5
> > bar pressure transducer.
> > The lady I spoke to said that the hp is 270 and the torque is unknown. She
> > was unable to tell me if these numbers or the use of the 2.5 bar pressure
> > transducer instead of the 3.0 bar one is due to the lack of overboost function
> > on the 3B.
> > I have read somewhere that the overboost can be added to the 3B's with custom
> > programming. Whether this is possible or desirable, I don't know.
> > Intended Acceleration lists a "Stage 5" mod for the 3B that uses a 3.0 bar
> > PT. However, don't they end up soldering their chips to the ecu without the
> > socket? I'm not a big fan of that idea. It would be nice to be able to put
> > back in the stock chips if the need arises.
> > I understand the issues of screwing up the physical chip swapping and of "chip
> > or socket creep" and other justification for that soldering-in practice. My
> > opinion there is if chip creep was a problem, Audi wouldn't have socketed
> > those chips. I see it as more of a business secret preservation technique, or
> > repeat business insurance for when future changes are desired, which I can
> > understand.
> > At this point, my thought process is this:
> > 1. Since IA offers a Stage 5 for the 3B, somehow a 3.0 bar PT has a use in a
> > 3B car in some configuration.
> > 2. I think someday I want to mod the crap out of the 3B, to RS2 levels and
> > possibly beyond. Maybe that's "Stage 5"?
> > 3. If #1 and #2 are true, and I can get a hard-to-find 3.0 bar PT, I'll do
> > it.
> > 4. I'd like to get maps that work with the stock engine and turbo for now
> > (i.e. IA 3+, Hoppen 1), but work with the 3.0 bar PT.
> > I suppose I could get a 3.0 bar PT and hoard it, and also get a regular Hoppen
> > stage 1 or something like a "Mihnea chip(tm)" for the stock configuration.
> > Most urgently I'd like to know if a 3.0 bar PT can be utilized on a 3B, or if
> > it would "never" be necessary. The possibilities include some of the
> > Audi20v_Kruemmer stuff if anyone is familiar with some of those guys.
> > What do y'all think, particularly with regard to #1 above? True?
> > Thanks,
> > Ken
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