1982-1993 Mustang GT Registry Message Board

1982-1993 Mustang GT Registry Message Board (http://www.mustanggt.org/forums/index.php)
-   Maintenance, Troubleshooting and Diagnosis (http://www.mustanggt.org/forums/forumdisplay.php?f=128)
-   -   '82 GT fixed at last! (http://www.mustanggt.org/forums/showthread.php?t=53864)

SECESH 01-16-2014 09:07 PM

'82 GT fixed at last!
 
Turns out the new fuel unfastened all the sediment in the tank allowing it to flow into the line. Changing the filter enabled the debris to move up an inch or so. Enough fuel continued to get through to run the engine, but apparently in a very lean mixture, which heated things up severely under the hood. This accounted for the melting of the speedo cable housing and eventual vapor lock.
There was also present an intermitent open circuit in the wiring that would cause a no spark condition every so often.
Two problems at once make for a great deal of frustration, eighteen months in the shop, and eight hundred bucks worth of bill. Could have been worse.
But, for the first time since 1990, everything on the car is working.

wydopnthrtl 01-17-2014 12:20 PM

Like most things in life the solution turns out to be really simple. But figuring it out is a real pain!

Chris-90LX 01-18-2014 01:13 PM

Quote:

Originally Posted by SECESH
Turns out the new fuel unfastened all the sediment in the tank allowing it to flow into the line. Changing the filter enabled the debris to move up an inch or so. Enough fuel continued to get through to run the engine, but apparently in a very lean mixture,....

An old trick to help fix this was to blow some compressed air through the fuel line. If any crud got past the fuel filter the carb's old needle and seat valve was one of the first places trouble might some up.

Glad she's strong again!

90FoxBody 07-05-2018 09:59 AM

Let's see photos of this magnificent machine!


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