Late 70s Ford Truck Tune Up Specs

The Ford Bronco was named after a horse.

The 1979 Ford Bronco was a full-size SUV that was a part of the Bronco’s second generation of models. It featured a 6.6-liter double-barrel V-8 engine with an overhead valve configuration (OHV).

Ignition Timing Specs

The 1979 Ford Bronco‘s ignition timing was set with the idle speed at 550 rpm, all accessories off, the transmission in drive and the emergency brake engaged. It had an ignition timing of six degrees before top dead center (BTDC) with an automatic transmission and 10 degrees with a manual transmission.

Piston Firing Order and Spark Plug Gap

The pistons had a firing order of 1-3-7-2-6-5-4-8. The spark plug had a gap of 0.044 inch.

Engine Torque Specs

The lug nut had 100 foot-pounds of torque and the exhaust manifold had 18 to 24 foot-pounds of torque. The 0.375-inch bolts on the intake manifold had 22 to 32 foot-pounds of torque and the 0.3125-inch bolts had 17 to 25 foot-pounds of torque.


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