[200q20v] RS2 & 3B - Fueling Around

[Greg Johnson]

And  a combo O2 + EFI % duty cycle meter + EGT gauge will do what?

Do you have any part numbers for these parts.

Greg J

Fundsalo Racing wrote:

>Get a combo O2 + EFI % duty-cycle meter + EGT gage.
>
>
>--- Brett Dikeman <brett at cloud9.net> wrote:
>
>>At 4:54 PM -0800 1/19/02, Greg Johnson wrote:
>>
>>>Baseline: the brakes and suspension have been
>>>
>>upgraded. I had a
>>
>>>custom-built mandrel bent exhaust system with high
>>>
>>flow cats and a high
>>
>>>flow muffler installed. A K&N panel filter resides
>>>
>>in the stock air box.
>>
>>>I'm running IA III+ software with a 2.5 kPa
>>>
>>transducer.
>>
>>>Oh yeah, we live at about 2000 feet above sea
>>>
>>level.
>>
>>>Upgrade: I want to add some RS2 parts. I don't want
>>>
>>to do the full RS2
>>
>>>monty (beyond my budget) but I would at least like
>>>
>>to add the RS2
>>
>>>manifold and turbo.
>>>
>>I would think it would be possible to do just the
>>turbo+manifold, but
>>why bother...you'll get better performance from a
>>$500 chip than you
>>will from $2000+ for the above two components,
>>-especially- since the
>>RS2 turbo takes longer to spool up.  You should
>>understand that
>>switching turbos will NOT change the max boost level
>>you see; it
>>won't add any HP, because across the board, the ECU
>>is the
>>restriction, not the turbo.  You'll have to talk to
>>Ned about getting
>>new chips for the ECU.
>>
>>The manifold is a smart investment if you plan on
>>running high levels
>>of boost etc, but otherwise adds only minimal power
>>in and of
>>itself...less than 10hp I think.
>>
>>>Question: is the stock 3B fuel system sufficient to
>>>
>>handle this upgrade,
>>
>>>or will it be lean at full boost and cause my
>>>
>>engine to be at risk?
>>
>>>What happens if I add the RS2 MAF to the equation?
>>>
>>Does this help the
>>
>>>potential fueling issues or does it exacerbate the
>>>
>>problem?
>>
>>The ECU, injectors, and MAF are a package
>>together...you can't
>>partially upgrade.
>>
>>
>>>If there is a fueling issue, will either camshaft
>>>
>>help?
>>
>>Nope,  cams have nothing to do with not enough
>>fuel(or too much fuel.)
>>
>>>BTW, I've heard that if you add the RS2 injectors
>>>
>>to a stock 3B fuel
>>
>>>system, it runs too rich.
>>>
>>Correct, they're higher flow for the same pulse
>>width+pressure, one
>>of the reasons for the ECU mod.
>>
>>HTH(and I hope I got everything right :-)
>>
>>Brett
>>--
>>----
>>"They that give up essential liberty to obtain
>>temporary
>>safety deserve neither liberty nor safety." - Ben
>>Franklin
>>http://www.users.cloud9.net/~brett/
>>http://www.users.cloud9.net/~brett/bdikeman.asc	(PGP
>>Public Key)
>>_______________________________________________
>>200q20v mailing list
>>200q20v at audifans.com
>>http://www.audifans.com/mailman/listinfo/200q20v
>>
>
>
>=====
>-glen
>
>OOOO
>
>Part #1 We may please ourselves with the prospect of free and popular governments. But there is great danger that those governments will not make us happy. God grant that they may. But I fear that in every assembly, members will obtain an influence by noise not sense. By meanness, not greatness. By ignorance, not learning. By contracted hearts, not large souls...
>
>John Adams
>
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