how much boost can stock CIS handle?

[Orin Eman]

> 
> What's the general consensus on this ? This is for a 5kT. I've heard people 
> say it can handle 2.0 bar [Abs], 0.6 bar above the stock boost level. Are 

That tranny can barely handle stock boost.  Going to 2.0 is very likely
to kill it.

> there any simple mods [like changing system pressure] that will help the 
> CIS handle any more pressure?

System pressure has little effect and raising it has been reported
to have the opposite effect.

When modifying boost, an AFR gauge sure will 
> help answer that question...

An AFR gauge attached to the O2 sensor will only read from
'definitely lean' to 'maybe OK'... unless you get one of
the really expensive wide range sensors and meters... which
would cost way more than say IA's box.  I think even the
meter (unofficially) using Honda's wide range sensor
is (will be actually) over $400.  (Search the archives
on diy-efi.org for 'EGOR'.)

Orin.