The general consensus with most performance oriented Bronco owners is that original Ford Autolite or Motorcraft spark plugs work just as well or better than most "performance" spark plugs.
How to replace spark plugs on a 2010 ford fusion
my 86 full size bronco haha
Replace the spark plugs.
Check plugs wires and ignition coils.
Most likely because its spark plugs are shut. Second best, ignition wires need to be replaced. Third best, injectors are full of carbon.
At one time,the only spark plugs for vauxhall/opel in general were AC-Delco.Don't know if main dealers still supply them or not? These days,I fit NGK to everything from my lawn mower to small engined light aircraft.There is a saying that NGK make spark plugs,the rest make posh fishing weights!I have yet to have an NGK fail before completing it's full mileage.
gap 45
Many of todays vehicles do not have drain plugs. You have to remove the pan to change the filter and fluid.
In the "Chrysler Full-Size Models 1988-93 Automotive Repair Manual" says "Torque Specifications Ft-lbs Spark Plugs to set at "26"
No , the 1972 Ford Bronco is a full size vehicle
There is the FULL SIZE BRONCO and then the Bronco II ( the Bronco II is smaller , eventually replaced by the Ford Explorer)
Freeze plugs are located in numerous places on the engine block and cylinder head assemblies. Replacement of freeze plugs is usually beyond the skill level of most amateur mechanics.