fuel pressure regulators and ECUs

[Joe Elliott <jee@domain.elided>]

   I've asked this before, and gotten pretty minimal responses, but 
what is the collective wisdom on aftermarket ECU's for L-Jet cars?  I 
know of products from Tom Zat and Jonathan Kirshtein/Fred DiMatteo, 
but I noticed "BS114 BOSCH PERFORMANCE ECU UNIT (2.5 V6)" on the AR 
Ricambi web site today for no less than $1100!!  Does anybody know 
what that's all about?  Due to the facts that their web site is a 
pathetic joke and I still haven't received the print catalog I 
ordered 13 months ago, I'm inclined not to trust AR Ricambi for 
anything besides spark plugs.  Of course, I have better reasons not 
to trust Tom Zat, but I'd consider one of his ECUs, I think.
   Adjustable pressure regulators:  Does anyone have a 
reasonably-priced solution?  Any experience with what AR Ricambi 
sells?  Also, I'm away from my car right now and can't remember if 
the regulator on the GTV6 is at the end or in the middle of the fuel 
rail (I assume middle)--can anyone help me out?  (I need to know 
because I'm communicating with a German company that Dug told me 
about that sells these doohickeys.)

Thanks,
Joe Elliott
'82 GTV6, but not here (weather is perfect--what I call an Italian 
Car Day--how I wish I had my Alfa here to cruise through Schenley 
Park with the windows down...)

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