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Re: Question about idle after tuneups

To: Jeff McNeal <jmcneal@ohms.com>
Subject: Re: Question about idle after tuneups
From: mark holbrook <rolling_rock_12@yahoo.com>
Date: Sat, 10 Jun 2000 15:32:40 -0700 (PDT)
Yeah Jeff, don't worry.  This is perfectly normal. 
The only explaination I have is that the combustion
process is much more efficiant than before when all
the old ignition was on.  Now it takes less fuel/air
mixture to make the same explosion.  Makes sense?
Mark Holbrook
--- Jeff McNeal <jmcneal@ohms.com> wrote:
> 
> I jumped under the valve cover today, adjusting the
> valves with the help of
> the old 1/2" open ended wrench that I my grandfather
> used to use.  The same
> one I used to adjust the valves on my original '67
> Spitfire 24 years ago.
> Interesting, nice thoughts ran through my head while
> I was working with a
> tool that's older than my car.  Life goes on.
> 
> I adjusted the valves with the plugs out (glad to
> see that they were clean,
> but a couple were a little oily on the threads) and
> found that it was
> easiest to use the solenoid button to to goose the
> engine in small amounts
> in order to adjust the valves.  Anything wrong with
> this technique?  It
> seemed much easier to me than trying to turn the
> engine by hand, roll the
> car while in gear, etc.  This is how I used to do it
> years ago.  I also use
> the solenoid button to open the points for
> adjustment.
> 
> A couple of the valves were pretty tight.  I
> adjusted all to .010, replaced
> the valve cover, replaced all the ignition wires,
> threw on a new rotor and
> distributor cap (keeping my old ones for spares in
> the trunk tool box) and
> put in all new plugs.  I also readjusted the gap on
> the points to .015.  Not
> surprisingly, the car ran much better than it ever
> has -- it's also running
> much better cold now than when before.  Huge
> difference there, actually.
> One thing that surprised me was that my idle jumped
> up by about 700 RPM
> after the tune-up!  Is this standard behavior for a
> freshly tuned engine?
> BTW, I did measure 1/4 to 1/2 more resistance in my
> old plug and coil wires
> than the new ones showed.   TIA
> 
> Best wishes,
> 
> Jeff in San Diego
> 
> '67 RHD Spitfire Mk3 aka "Mrs. Jones"
> Jeff's Classic '67 Spitfire Mk3 site & Vintage
> Spitfire Webring
> http://www.ohms.com/spitfire/spitfire.shtml
> home of the NEW Totally Triumph Auction
> "By Triumph enthusiasts, for Triumph enthusiasts"
> http://www.ohms.com/cgi-bin/TRauction.cgi
> and... The Triumph Autos/Parts Wanted Listings
> http://www.ohms.com/cgi-bin/TRwanted.cgi
> ....plus a few other surprises!
> 
> * * * * * * * * * * * * * * * * * * * * * * * * * *
> * * * * * * *
> 
> 


=====
-Mark Holbrook-

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