OBD II LT1 Engine Swap Gotchas???

Shannen Durphey shannen at grolen.com
Wed Feb 3 09:44:36 GMT 1999


David A. Cooley wrote:
> 
> At 02:37 PM 2/2/99 -0800, you wrote:
> >I've been quiet on this list for a while. I swapped a 93 LT1 into my early
> >Corvette, and thanks to this list and others, have enjoyed that swap and am
> >about to do a similar swap into a 69 Camaro with a 97 Z28 motor that I
> couldn't
> >pass up.
> >
> >I know some of the high horsepower guys I know have swapped from OBD II to OBD
> >I PCMs due to difficulties of squeezing 600 HP out of an OBD II controlled
> >motor. For a stock, smog exempt OBD II swap, are there any pitfalls that I
> >should look out for? Anyone else on the list already done such a swap?
> 
> You may want to go Pre-OBD_I as well...
> All of the OBD_I PCM's from GM I have seen on V8's have a pre and post cat
> O2 sensor...  Pre OBD_I didn't.
> 
> 
Pre OBD_I?  But that would mean using an ECM that's pre 1988.

Shannen
===========================================================
>            David Cooley N5XMT           Internet: N5XMT at bellsouth.net
>      Packet: N5XMT at KQ4LO.#INT.NC.USA.NA   T.A.P.R. Member #7068
>        I am Pentium of Borg...division is futile...you will be approximated.
> ===========================================================




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