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The lower half of the main bearings are typically held in place by 'bearing caps' which are secured to the engine block using bolts. The basic arrangement is for each bearing cap to have two bolts, but some engines may have four or six bolts per bearing cap (often referred to as "four-bolt mains" or "six-bolt mains" engines).
"Eaton Supercharger Boosts VW Green Engine Of The Year". Eaton.com. Eaton Corporation The highly regarded engine was named International Engine of the Year, Best Engine in the 1-litre to 1.4-litre category, and Green Engine of the Year, ahead of state-of-the-art hybrid and twin-turbo diesel competition.
A 3.2 L (195 cu in) EA390 version of the 4 valve engine was introduced in the 2001 Volkswagen New Beetle RSi model. Versions of this 3.2 litre engine were also used in the 2002–2004 Volkswagen Golf Mk4 R32 model, the 2003-2010 Audi TT 3.2 VR6 quattro models and the 2003-2009 Audi A3 8P 3.2 VR6 Quattro(US Models). Peak power output was 165 kW ...
A cross-bolted bearing is a bearing, usually a crankshaft main bearing of a piston engine, reinforced with additional transverse bolts. Most bearing caps are retained by two bolts, one on each side of the bearing journal, and parallel to the cylinder axis (or, on vee engines, parallel to an axis bisecting the vee angle). A cross-bolted bearing ...
die-forged and tempered high alloy steel (42CrMoS4) 90° crankshaft with 65 mm (2.6 in) diameter and 18.5 mm (0.73 in) width main bearing journals and 54 mm (2.1 in) diameter and 15.25 mm (0.60 in) width big end bearing journals; 154 mm (6.1 in) long high strength forged cracked trapezoidal connecting rods (36MnVS4 in basic engine, ultra high ...
The Volkswagen Audi Group (VAG) AEB Engine is a line of mechanically-similar 1.8-liter, 20-valve, turbocharged, inline-four engines, designed, developed, and produced by the Volkswagen Group, and used in the various models, between 1993 and 2010.
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The large-journal connecting rods were thicker (heavier) and used 3 ⁄ 8 in (9.5 mm) diameter cap-bolts to replace the small-journal's 11/32. 1968 blocks were made in 2-bolt and 4-bolt versions with the 4-bolt center-three main caps each fastened by two additional bolts which were supported by the addition of thicker crankcase main-web bulkheads.