Chrysler Force 70/75/90 Technical Specs

This post is basically going to become my ramblings about the technical details of Chrysler Force engines as and when I work them out so, Enjoy!

Cylinder Head

Bolt Size: 1/2″ AF (or you can get away with a 13mm if you’ve only got Metric)
Torque Spec: 10ft-lb (13nm) + 90 degrees.

Head head gasket part number: 27-820438 / S610334001001

Flywheel Nut

The flywheel is a 3/4″ UNF x 16 tpi which should be torqued to 100ft-lb / 135nm

Connecting Rod Bolts

Bolt Size: 1/4 AF 12-point thin-wall.
Torque Spec: 14ft-lb

Main Bolts

These are a mix of Allen and regular hex bolts.
Torque Spec: 22ft-lb

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