Re: Advice/Suggestions on Ur-Q Chip Upgrade

["Douglas Hurst Quebbeman" <dougq@iglou.com>]

> I apologise for the repeat post, but I have seen no reference to the mods
> mentioned below since I have been on the list, and certainly don't want to
> miss an opportunity if this really will enhance the final product.
> 
> Some time ago I talked with Ned, who recommended that I upgrade my computer
> to what I guess is that of an MC engine (1986 5KT or q or later), as well as
> the matching harness and, if my memory is correct, the fuel distributor.
> This was for my '83.

I've been on the list for nearly a year and a half (minus a sabattical),
but I don't recall ever seeing a discussion of using the engine management
system from an MC engine with the WX head/block/intake. Lots of discussions
about transplanting the entire MC engine, harness, computer, fi system, etc,
into an ur-Q.

Since you'll be putting yourself through the difficulty of integrating two
wiring harnesses that were never put together in a car in production, you
might as well get the engine completely out of the way. 

More reasons for a complete MC transplant: The MC produces 162bhp versus
the WX's 160, and 177lb.ft of torque vs. 170. 

Lastly, I'd assume (and could be wrong) that there are specific characteristics
of the WX engine (probably not bore and stroke, though that's the 1st specific
characteristic that comes to mind that's different between the WX and MC), that
the ECU takes into consideration that would be wrong if you mismatch the ECU and
the engine.

Hopefully, others (Ned included) can shed the light of greater experience
and wisdom on this subject...   -dq
--
-Douglas Hurst Quebbeman (dougq@iglou.com)       [Call me "Doug"]
    QuattroClub USA# 4536     Audi International # 100024
       74 100LS Auto,   77 100LS Auto,   84 Coupe GT 
           83 ur-Q,   86 5Kcstq QLCC 1.8bar  
"The large print giveth, and the small print taketh away."  -Tom Waits