Reading Plugs

[steve ravet]

There are some suggestions concerning plug reading on the gmecm page,
click on "papers" then "plug cuts".

--steve

Tim Welden wrote:
> 
> semi related to this thread...
> 
> What is the *best* procedure for getting the proper plug readings at a
> particular throttle position?
> Do you run the vehicle on a light load? heavy load?  Are you supposed to
> just kill the motor in the middle of a "run" and coast to stop?  Is it ok to
> idle to a stop and shut the motor off?  How long should you operate in your
> target range before the plug color becomes accurate?  Any concerns with
> overheating after a WOT run?
> 
> I've seen a few sites like Tim pointed out that had pictures of sample plugs
> but not the correct way to actually tune an engine by reading plugs across
> the entire operating range.  Is there a FAQ somewhere on how to obtain
> repeatable, consistent results?
> 
> TIA,
> -Tim-
> ----------------------------------------------------------------------------
> To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
> in the body of a message (not the subject) to majordomo at lists.diy-efi.org

-- 
Steve Ravet
steve.ravet at arm.com
ARM,Inc.
www.arm.com
----------------------------------------------------------------------------
To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org