The saga of the 85....on the road again.

[scourge at cogeco.ca (Scourge)]

When tuning by ear I go by the frequency valve. Lean till it buzzes solid, 
then rich till has intermittant pauses. I find this to be the best DIY co 
setting for my car. I run the ignition timing at the stock 6* mark. If I'm 
trying to get more power I go by the WOT switch, rich until hitting the 
switch at idle makes the car sputter a bit.
 I'd be afraid of going a bit too lean, only because it may "run" fine but 
still cause slow damage.

HTH
-George

----- Original Message ----- 
From: "Jim Ruffi" <sciroccos@earthlink.net>
To: "Scirocco-L" <Scirocco-l@scirocco.org>
Sent: Wednesday, September 28, 2005 2:00 AM
Subject: The saga of the 85....on the road again.


> Seems the fuel pump was the culprit.  Car was starving.  Changed out the
> pump and it runs like a Scirocco!  And I don't miss the din of the old
> pump...I knew it was failing, 'cause it was so damn loud.
>
> So, now it's on to bigger and better things: checked the timing again, 
> some
> basics checks for good measure, such as CPR resistance and supply voltage,
> checked freq valve duty cycle with my dwell meter.
>
> The trick is adjusting the CO.  The car smells rich.  Too lean on the 
> screw
> and it starts to stall.  I wonder if there's anything inside of the cat.
> When I rev the motor, there's a "pop, pop, pop" from the muffler, which
> sounds like a rich mixture to me, but the muffler has a hole now (of
> course), so...
>
> Cathy: was that multimeter CO adjustment dealie just for CIS-E cars?  I
> would figure it to be.  Guess I have to play it by ear.
>
> Any tips on getting this motor's mixture where it needs to be, folks? 
> I've
> always done it by ear...I find the "running range," where the car won't
> stall, then go as lean as I can without running problems.
>
> Thanks for your advice and support, folks.  Special thanks for Dan Bubb 
> for
> taking the time to discuss the possibilities with me at H2O.
>
> Let the gas savings begin!
> Jim
>
>
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