Neil,
Are all of these values in lb.ft ? It seems like 4
lb.ft. for rocker cover nuts would hardly compress the gasket!
-- Dan --
> Torque settings on bolts go by the size of the thread, so normally two
> similar sizes would get the same setting. Some threads are on tempered
> steel studs, such as the crankshaft and head studs. Here is a list for
> the 'A' and 'B' series engines, hexagonal nuts, ( 12V & 18V 12 sided
> ones differ a little; and XPAG, see later.)
>
> Big end bolts 40 lb.ft.
> rocker adjuster nuts 22
> sump drain plug 25
> Carb stud nuts 2 ( thats what the book says, 2.)
> clutch flywheel bolts 30
> cylinderhead nuts 50 ( 40 on early 1098cc Midgets,)
> tappet chest ( side covers) 2
> later sunken tappet chest covers 5
> distributor clamp 5
> flywheel bolts 40
> gudgeon pin, ( wrist pin,) 25
> main bearing nuts 70
> manifold nuts 15
> oil filter bolt 15
> oil pump nuts 14
> rear engine plate 5/16" bolts 20
> rear engine plate 3/8" bolts 30
> rocker shaft support nuts 25
> rocker cover nuts 4
> sump bolts 6
> timing chain cover 1/4" bolts 6
> timing chain cover 5/15" bolts 14
> thermostat housing nuts 8
> water pump nuts 25
> spark plugs 30
> crankshaft pulley nut 70
> camshaft nut 70
> steering wheel nut 35
> universal joint bolts 30
> gearbox drive flange nut 100
> 'U' bolt nuts on rear axle 20
> brake backplate nuts 18
> differential drive flange ( pinion seal,) 120
>
> 18V & 12V 12 sided nuts,
>
> big end nuts 33
> crankshaft pulley nut 70
> camshaft nut 65
>
> XPAG/XPEG engines,
>
> main bearing nuts 63
> cylinderhead 50
> flywheel 50
> big ends 27
> small end pinch bolt 33
> rocker shaft 8mm 27
> rocker shaft 10mm 42
> timing cover 20
> clutch cover 33
> sump 27
> manifold clamps 20
> oil pump nuts 12
>
> Hope thats some use chaps.
>
> Neil
>
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