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Can a laser thermometer pinpoint skipping cylinder?

 
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sdlomi2
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PostPosted: Mon Nov 13, 2006 6:39 am    Post subject: Can a laser thermometer pinpoint skipping cylinder? Reply with quote

http://cgi.ebay.com/New-ST632-Infrared-Non-contact-Thermometer-Laser-Site_W0QQitemZ290049260392QQihZ019QQcategoryZ50974QQrdZ1QQcmdZViewItem?hash=item290049260392

Could such a thermometer be used to tell 'which' cylinder is misfiring
when an engine is determined, by ear, to be skipping? (I am NOT affiliated
with this sale!) Does anyone use such? What parameter(s) would a mechanic
need on such a device to determine which cylinder(s) is colder due to not
firing? I'm visualizing several automotive uses for a thermometer like
this. Thanks for experienced feedback, including what brand has been used
successfully. s
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Ashton Crusher
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PostPosted: Mon Nov 13, 2006 6:39 am    Post subject: Re: Can a laser thermometer pinpoint skipping cylinder? Reply with quote

On Sun, 12 Nov 2006 22:30:58 -0500, "sdlomi2" <sdlSPAMomi2@yahoo.com>
wrote:

Quote:
http://cgi.ebay.com/New-ST632-Infrared-Non-contact-Thermometer-Laser-Site_W0QQitemZ290049260392QQihZ019QQcategoryZ50974QQrdZ1QQcmdZViewItem?hash=item290049260392

Could such a thermometer be used to tell 'which' cylinder is misfiring
when an engine is determined, by ear, to be skipping? (I am NOT affiliated
with this sale!) Does anyone use such? What parameter(s) would a mechanic
need on such a device to determine which cylinder(s) is colder due to not
firing? I'm visualizing several automotive uses for a thermometer like
this. Thanks for experienced feedback, including what brand has been used
successfully. s


I didn't visit the site but just thinking about it, if you can aim a
non-contact IR thermometer at the exhaust manifold's individual
outlets from each cylinder I would think the one missing would give a
cooler reading then the others. Don't spend a lot on such a
thermometer, a $40 should work fine. It just will be off a few
degrees on some materials but you would only be looking for the
relative temps anyway's.
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