Dec 29, 2011 · The main problem with this engine was the crankshaft and its journal on the con-rod nr4. It was oval , scratched and grinded well under spec…

Nov 26, 2021 · Busso V6 engine crankshaft main and rod journals sizes and OEM factory bearing sizing. These slightly different sizes have the colors painted on journ

Mar 11, 2011 · More to that a local workshop damaged my crankshaft and took some time to repair it, but more about it later. In 2013, I ended this thread by pistons knocking into the crank counterweights in bottom dead centre of the rotation.

Apr 11, 2019 · The 2.5 crankshaft isn't nitrided so will get damaged more easily; Putting 300ish BHP through a chassis designed for a max of 168 (in the turbodelta) would be a bit silly; It should still make all the correct Busso noises but I won't have to worry so much about using strenghtened transmission components or blowing the standard transaxle to ...

The Alfa Romeo V6 engine (also called the Busso V6) is a 60° V6 engine made by Alfa Romeo from 1979 to 2005. It was developed in the early 1970s by Giuseppe Busso, and first used on the Alfa 6 with a displacement of 2.5 L (2,492 cc) and a SOHC 12-valve cylinder head.

Unlike other V6, the Busso features no balancing shafts, being balanced externally by offset weight crank pully and flywheel. Another talking point about Busso engines is their conservative compression ratios. 2.0L Turbo had a compression ratio of 8:0:1, while 2.5L 12 V upped it to 9:0:1. 3.0L 12V SZ pushed compression ratio to 10:0:1. while ...

Oct 11, 2009 · An oversquare engine allows the designer to use larger valves in the cylinder head while getting lower friction losses because the distance travelled by the piston during each engine rotation is shorter. This also lowers crank stress because of …

Crankshaft pulley for V6 3.2 Busso engines. As these have been out of production for a while now we though we start offering our own pulleys. If you engine still has an original pulley there is a good chance that the holding the two parts together with be split and perished.

Crankshaft pulleys for V6 3.0 24v Busso engines. As these have been out of production by both Alfa and aftermarket manufacturers for a while now we though we start offering our own pulleys. If you engine still has an original pulley there is a good chance that the holding the two parts together with be split and perished.

Feb 12, 2021 · It is about the new Maserati Nettuno engine, however same concepts apply to the Quadrifoglio engines: v6 90 degrees, no split crankpin and uneven firing sequence, no balance shaft. This is the closest to a Formula 1 or race engine!!