OBD II LT1 Engine Swap Gotchas???

[David A. Cooley]

At 04:49 PM 2/2/99 -0600, you wrote:

>If you are swapping in the standard stock unmodified engine you will
>only need to fake out the sensors that you aren't using, such as the
>additional O2 sensors behind the cats.  Also I believe there are some
>things that detect a loose gas cap, this will need to be faked out
>also, and probably several other sensors of the same sort.   That is I
>believe why they generally put a 95 pcm in, they don't have to worry
>about it.   The 96 + pcm does have some nice features, it will count
>misfires, but this is supposed to get rather confused if you put a cam
>that is too big in the car, and count alot of misfires and set SES
>lights and such.   

I was on the Impala SS list for a while... The 94/5 pre-OBD_II pcm's still
have the dual O2 sensors for each bank, pre and post cat.
According to several list members, the 94/5 Vette and camaro/firebird also
had the pre-post cat O2 sensors.

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           David Cooley N5XMT           Internet: N5XMT at bellsouth.net
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       I am Pentium of Borg...division is futile...you will be approximated.
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