I al looking for the cilinder head torque setup, I have new gaskets but do not know what the force is to tighten the bolds.....

 

Hard to get info?

 

According to my Haynes manual the 7/16ths cylinder head nuts are tightened in three stages:

Stage 1 = 25 Lbf/ft
Stage 2 = 40 Lbf/ft
Stage 3 = 52 Lbf/ft

The 3/8 nuts are tightened at stage 2 and three as follows:
Stage 2 = 20 Lbf/ft
Stage 3 = 28 Lbf/ft

These are for the pre HE engine, and the manual does not quote any different figures for the HE engine, which has a higher CR. Worth checking though as it is an HE you are working on.

 

This is from my AllDataDIY manual. The conversion to LBS is at the site listed at the bottom. Also, I attached a pic of the sequence from the manual. This is for the '85 HE


TORQUE FIGURES
Air pump adjuster bolt/locknut 2O - 27 Nm
Banjo connector bolts 12 - 14 Nm
Camshaft sprocket to camshaft 23 - 27 Nm
Camshaft cover 11 Nm
Connecting rod cap nuts 54 - 55.5 Nm

Cylinder head to block (9/16"AF) 36 Nm
Cylinder head to block (11/16 "AF) 70 Nm


Elbow to inlet manifold 12.2 Nm
Engine mounting bracket to crossmember 19 - 24 Nm
Engine mounting tie bolts 34 - 40 Nm
Exhaust down pipe to manifold 30 - 35 Nm
Fan/torquatrol to water pump 23 - 27 Nm
Flywheel bolts 90 Nm
Fuel pipe unions (5/16" dia.) 8.5 - 9.5 Nm
Fuel pipe unions (3/8" dia.) 11 - 13.5 Nm
Fuel pipe unions (1/2" dia.) 27 - 33 Nm
Heat shield to manifold 23 - 27 Nm
Hose clips 2.5 Nm
Inlet manifold to cylinder head (nuts) 23 - 27 Nm
Inlet manifold to cylinder head (bolts) 23 - 27 Nm
Main bearing cap nuts (1/2") 84 Nm
Main bearing cap nuts (3/8") 36.5 - 38 Nm
Oil cooler pipes 54 - 50 Nm
PAS pump to mounting bracket 50 Nm
Propeller shaft bolts 36.5 - 43 Nm
Rear engine mounting peg 34 - 4O Nm
Rear engine mounting rubbers 36 - 43 Nm
Rear engine mounting to body (5/16 bolt) 19 - 24 Nm
Rear engine mounting to body (3/8 bolt) 36 - 43 Nm
Sandwich plate to block 16.5 - 21 Nm
Silencer to compressor union 34 Nm
Sump drain plug 15 - 18 Nm
Sump set screws 16 - 20 Nm
Torque converter bolts 55 - 62 Nm
Thermostat housing to cylinder head 23 - 27 Nm

Converting Nm to LBS:
Torque Conversion

 

Thanks for the info, now I can do the work correct, hope te solve te oil leak with the new seals and gaskets.

 

I am changing all coolant hoses and pipes on ‘72 Series 3 E Type… v12. In so doing, I found that the 3 head bolts at the very front of the head (both banks) are loose or not torqued at all. It results in an oil leak down the front of the engine. Well, the torque specs confuse me because these are 1/2” nuts and I see no such spec. These are the nuts labeled @14 in the illustration included.

since these are the final nuts to be torqued, can I simply retorque them now to the correct spec? If so, what is that spec please since it it neither 9/16” or 11/16”?

thank you.