re. MC engine & CIS-e III?

[Ben Swann]

Dave,

Assuming that it won't detonate excessivly if boost is controlled, there are 
some other things to consider.

You would need to change the distributor - MC uses 1 window hall and NG uses 
5 window hall.

How are you going to control the boost?  I think this can be done a few 
ways, but something you need to think about.

Knock sensor is different for CIS-E3 related  ignition, but should bolt onto 
the MC.

The NG intake manifold interferes with the wastegate and a slice needs to be 
taken out for clearance. I assume you'ld want to use this manifold for 
CIS-E3.  You may wish to consider using the MC manifold and 
shortening/re-working the lines.

Thinks about how and where you will mount an intercooler and how the 
plumbing will be routed.

Use of C.S. injector not the recommended way to add fuel and will run lean 
on cyl. 1 & 2 and lack control.

Although MC turbo could probably could be made to work with CIS-E3 and 
ignition, I'd recommend finding someone who will go the extra couple days 
work and change over the engine management harness for the MC.  For 
simplicity and tuneability, I'd recommend going with the MC-1.  Maybe 
they'll let you do the wiring in between pulling the engine.

For some wiring and installation details on both engines see:
http://ben_swann.homestead.com/GTCTurbo.html and 
http://ben_swann.homestead.com/MCWiring.html

http://ben_swann.homestead.com/NGwiring.html and 
http://ben_swann.homestead.com/GTQ.html

Ben

[Date: Mon, 3 Oct 2005 14:46:33 -0400
From: David <duandcc_forums at cox.net>
Subject: MC engine & CIS-e III?
To: <quattro at audifans.com>
Message-ID:
<20051003184611.UBEN2767.eastrmmtao03.cox.net at smtp.east.cox.net>
Content-Type: text/plain; charset=ISO-8859-1

A local shop has a MC engine (I think it's a MC2 but could be a MC1) that 
was removed from a wreck about 2 years ago. A customer was going to swap it 
into his 4000q but never got around to it. They are willing to swap it into 
my 1987 CGT 2.3 very cheaply, but they don't want to touch the wiring. So, 
any thoughts on running a MC engine on CIS-e III? I know it won't support a 
whole lot of boost, but I am hopeful I could run 6-8PSI. The CIS-e III 
system is a single knock sensor system. It's fairly well known that CIS 
tends to get a little lean at high RPMs. I have added a full throttle fuel 
enrichment mod already. Basically I added another full throttle switch that 
turns on the Cold Start Valve to dump in a little more fuel.

So...thoughts on this? Can I safely run a MC engine with CIS-e III? And 
thoughts on my "fuel enrichment" mod? Anyone know how the timing maps of a 
NG compare to a MC (thinking of a stock to stock comparison)? I know a few 
people have bolted a turbo onto their KX engines and run that on CIS-e, but 
not sure about a MC engine. I really don't need 200HP,a nd would be quite 
happy with 165-175...I'm actually pretty happy with the 130 that I've got 
now.

Dave
1987 CGT 2.3
SE VA]