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Current cars include 1969 Mach 1 and 1970 Cougar XR7 convertible
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On removal/installation of the #8 spark plug for an FE,yes, it can be a bear. While it is possible to snake one's arm under the brake master cylinder, once my then 12 year old started growing, it made sense to remove the brake master cylinder for those infrequent plug change intervals. When these cars were new, the general consensus was change plugs every 12K miles or once per year. Fast forward to now, many of these cars often take several years to rack up 12K miles so the pain is less frequent!

To put plug changes into perspective,consider changing out header gaskets on a set of Hooker Super Comp full length headers. It is a blood letting experience and makes the plug changes seem like a walk in the park

With some modern gasoline formulations,fuel percolation can be a recurring problem under the hood of a FE Mustang. Insulating the fuel line and the carb base from engine heat during a heat soak might make a difference when you experience hard hot starts.

On the smog systems from that era, Here's a link to Mansfield Mustang's site containing some helpful photos of the typical PCV and Thermactor smog components::


Good luck.
 

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Current cars include 1969 Mach 1 and 1970 Cougar XR7 convertible
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