99-09 Chevy Silverado Suburban Tahoe 325 5.3l V8 Vortec Main & Rod Bearings on 2040-parts.com
Chicago, Illinois, US
MAIN BEARINGS (SET) Sizes Available: STD, .010, .020, .030 ROD BEARINGS (SET) Sizes Available: STD, .001, .010, .020, .030, .040 NOTE:If you want the oversized parts, PLEASE send us a direct message over eBay stating the sizes of parts you are requesting. Tri-Metal vs. Bi-Metal Bearings Traditional rod and main bearing construction is based upon a three layer configuration composed of a steel backing, a copper-lead layer and a very thin overlay of babbitt material only .0005" - .0008" thick. These bearing uses just two layers, a high strength steel backing plus a bonded layer of "Alecular" bearing material .012" - .015" thick. Alecular material is an alloy of aluminum, tin, copper and several other elements. Because it is an alloy, it maintains its properties throughout its entire depth, delivering consistent and reliable performance. Particle Embedability More than half of engine bearing failures are caused by metallic particles which scratch crank journals and tear or weaken thin babbitt overlays such as in the tri-metal bearing. Since Alecular bearing layer is much thicker than the babbitt overlay (.015" vs. .0008"), it provides eighteen (18) times more embedability than a tri-metal bearing to catch and hold particles so they don’t scratch the crank journals. This is especially true for particles over .0004" in diameter which cause most of the damage. Conformability The much thicker layer of Alecular bearing material (.015" vs. .0008") allows the bearing to conform to problems such as metal to metal contact when there is mis-alignment present or the connecting rods stretch. Greater conformability means fewer bearing failures. Temperature Resistance The Alecular material’s melting/fatigue point is over 11000 F, almost three times that of the thin babbitt overlay in a tri-metal bearing (400OF). This means added protection against localized overheating due to mis-alignment, detonation, overloading, loss of coolant, etc. You simply CAN'T buy a better quality Bearing Set for any application, AT THIS PRICE...
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BMW set to go front-wheel drive
Wed, 17 Mar 2010BMW chairman Norbert Reithofer has confirmed that the German carmaker will introduce a new front-wheel-drive entry-level model positioned and priced below the existing 1-series as part of plans to help increase part sharing and to bolster the potential for production savings between the BMW and Mini brands, thus bringing an end to the era of rear- and four-wheel-drive-only BMW models. Speaking to AutoWeek at the Geneva motor show, Reithofer said internal BMW studies revealed that despite the downturn in the world's economy, there was continued demand for what he described as "premium vehicles" in the small-car class, before officially acknowledging plans that will see BMW produce a rival to the recently unveiled Audi A1 and a new Smart Forfour presently under development at Mercedes-Benz. "We will be extending the BMW and Mini brands into the small-car segment with new models and variants," he said.
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