DIY_EFI Digest           Wednesday, 3 February 1999     Volume 04 : Number 086

In this issue:

	RE:RE:EFI Questions
	Re: OBD II LT1 Engine Swap Gotchas???

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From: dzorde@xxx.com (dzorde)
Date: Wed, 3 Feb 1999 00:51:18 -0800 (PST)
Subject: RE:RE:EFI Questions

It just so happens our next race event in 2 weeks is at the drags, will have
a play with timing and fuel then and see what happens.

Thanks for your input so far.

Dan     dzorde@xxx.au

- -----Original Message-----
From:	Bruce Plecan [SMTP:nacelp@xxx.net]
Sent:	Monday, February 01, 1999 3:52 AM
To:	diy_efi@xxx.edu
Subject:	Re: RE:EFI Questions


Could it be due to the compression,   yes.
I still would first try to measure the performance, and see what changing
the
timing mixture does.
Gray, is soot, soot is lack of O2.  I don't know of anything contrary to
that.
Bruce

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From: Shannen Durphey <shannen@xxx.com>
Date: Wed, 03 Feb 1999 04:39:19 -0500
Subject: Re: OBD II LT1 Engine Swap Gotchas???

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@xxx.net
>      Packet: N5XMT@xxx. Member #7068
>        I am Pentium of Borg...division is futile...you will be approximated.
> ===========================================================

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End of DIY_EFI Digest V4 #86
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