Via Veloce by Wille R. www.veloce.se Internet since November 1995 and still here.

Nuts, bolts and wrenches and dimensions plus weight of engine components

Here are some of the dimensions for the Alfa Romeo Spiders and other models. This is just to give you some clues about the tools you need. If you get a set containing the folowing sizes, you can do it all yourself.

10mm, 11mm, 13mm, 14mm, 17mm, 19mm, 21mm, 22mm, 27mm, 32mm and finally 36mm.

All dimensions are in millimeeter. The list is almost complete but I do appreciate comments, so please send me an E-mail.

Crank front pulley nut	36 mm
Head bolts	19 mm
Cam shaft bearings	13 mm
Exhaust manifold nuts	13 mm early / 12 mm late
Intake manifold nuts	13 mm
Top chain tensioner bolt	14 mm
Cam cover	10 mm / 11 mm
Oil pan upper part	11 mm
Oil sump lower section	10 mm
Starter engine	13 mm
Alternator	19 mm
Fly wheel bolts	17 mm
Clutch	13 mm
Gear yoke	32 mm
Rear axle pinion	32 mm
Main bearing nuts	17 mm
Connecting rod nuts	14 mm
Oil plug	27 mm
Oil filter cartridge cannister	22 mm
Gear box oil plug	14mm hex
Differential oil plug	14mm hex
Gear box nuts	13 mm

Engine weights

The 105 engine componets have the following estimated weights.

Engine component/part(s) approx. figures of course	Lbs	Kg
Front cover w/ dist. water pump, gear, fuel pump, chain drive reduction gear.	17	8
Crankshaft, flywheel, clutch assembly, pulley, gears, nut.	70	32
Block w/ bearing caps, thick rear reinforcement plate, head nuts, etc.	45	21
Head w/ cam cover, tensioner, cams, etc	52	24
Intake manifold w/ rubber carb blocks, bell crank	101	46
Pistons, pins, liners, rods w/ caps & nuts	14	7
Oil pump	2	1
Sump and sump bottom	15	7
Misc timing chains, bearings, nuts, bolts	20	9
Complete engine incl flywheel	250	115