[DeTomaso] Subject: Why is it hard to start cars that have been

[Chuck Adkinson]

A Cessna 207 (powered by a Continental IO-520 6 cylinder opposed recip) I
use to fly back in the 70's was prone to plug frosting. When the engine was
cold soaked it would frost the plugs over after a failed start attempt. If
you didn't successfully start it on the first attempt, the residual water
vapor from a few pops would frost the pugs. The only way to start it after
that was to use a Herman Nelson (heater) to pre-heat the engine. If the
airport did not have a Herman Nelson we would run the engine periodically to
keep it from becoming cold soaked. In the warmer months the temp was not low
enough to frost the plugs and it would start like a champ.

Those Continentals were good engines but took some care and some PT (pilot
technique) to keep them going.

I've never seen the same phenomena in a V-8 but I don't see why it couldn't
happen if seriously cold soaked. 

I have seen water vapor inside of a 289 distributor cap (after a water hose
failure) keep it from starting. Spraying it with a drying agent cured that
though.  

Chuck Adkinson
www.pantera.ws




-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of Art Stephens
Sent: Sunday, January 16, 2011 12:40 PM
To: Charles McCall; 'Forest Goodhart'; detomaso at realbig.com
Subject: Re: [DeTomaso] Subject: Why is it hard to start cars that have been

I don't see how condensation could stick around on a spark plug for more 
than one exhaust stroke? That is a LOT of air blowing past that spark plug! 
Think of the sound the air makes coming out of a spark plug hole when you 
crank an engine.

Art (no engine expert)



----- Original Message ----- 
From: "Charles McCall" <charlesmccall at gmail.com>
To: "'Forest Goodhart'" <forestg at att.net>; <detomaso at realbig.com>
Sent: Friday, January 14, 2011 11:06 AM
Subject: Re: [DeTomaso] Subject: Why is it hard to start cars that have been


> Maybe. How long would it take to burn off?
>
> Charles McCall
> 1985 DeTomaso Pantera GT5-S #9375
> "Raising Pantera Awareness Across Europe"
> http://www.poca.com/index.php/gallery/?g2_itemId=2323
>
> -----Mensaje original-----
> De: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] En
> nombre de Forest Goodhart
> Enviado el: viernes, 14 de enero de 2011 20:03
> Para: detomaso at realbig.com
> Asunto: Re: [DeTomaso] Subject: Why is it hard to start cars that have 
> been
>
> Could it be that there is condensation formed on some of the plugs that
> needs to
> have some heat built to dry them off enough to fire?
>
>
>
>
> ________________________________
> From: Charles McCall <charlesmccall at gmail.com>
> To: Mike <bluebugman2 at sbcglobal.net>; detomaso at realbig.com
> Sent: Fri, January 14, 2011 10:41:52 AM
> Subject: Re: [DeTomaso] Subject: Why is it hard to start cars that have 
> been
>
> Mike -
> Thanks for the reply. I'm still not sure I'm convinced as to the reason my
> car takes 3-4 minutes to fire on all cylinders when it hasn't run for 4
> months, but in any case in this particular instance my car has solid
> lifters. So it could explain other peoples' problems but not mine...
>
> I do agree with others in that my experience has been that the car never
> runs better than when it is being used daily. I took the Pantera to Italy
> about 7-8 years ago for a project (my company agreed to pay gas and tolls
> instead of an airline ticket - I think they lost badly!!) and used it as a
> daily driver for a month. I don't think that the engine has ever been so
> happy or has ever started so readily. So the secret is indeed to use them!
>
> Thanks!
>
> Charles McCall
> 1985 DeTomaso Pantera GT5-S #9375
> "Raising Pantera Awareness Across Europe"
> http://www.poca.com/index.php/gallery/?g2_itemId=2323
> -----Mensaje original-----
> De: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] En
> nombre de Mike
> Enviado el: viernes, 14 de enero de 2011 17:34
> Para: detomaso at realbig.com
> Asunto: [DeTomaso] Subject: Why is it hard to start cars that have been
>
>
> As everyone else stated the gasoline dissipates and probably what no one
> else has mentioned why the engine's seems to run on a few cylinder's, then

> a
> few more until finally its running on all 8 cylinders is- its takes awhile
> for the hydraulic lifters to build up pressure so it will open the valves
> properly ( most engines use hydraulics), my 2 cts
>
> thanks Mike V #7042 GTS
>
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