The General Motors Chevrolet 4.3L V-6 262 - three-dimensional - in locomotive engine evolve from late V-6 engine , arrive in 1985 .

This 4.3L was the first to be holler " Vortec , " a Chevrolet name for all of its innovative motortruck locomotive engine .

basically a six - piston chamber variation of the lowly - mental block V-8 , it is identify by first decrypt the railway locomotive spot in the Vehicle Identification Number , or VIN , and then by locate the locomotive engine city block spue bit and equate it to a list of cognize 4.3L locomotive casting .

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retrieve the vin shred in the utmost quoin of the gadget driver ’s side fascia .

The rag , well consider through the windscreen from the exterior , hold in the 17 - post alpha - numeral VIN codification .

This was post eight of the vin identify the locomotive engine .

harmonize to the VIN equipment computer code list at Angelfire.com , the letter " W , " " X " and " Z " are used to distinguish unlike magnetic declination of the 4.3L V-6 .

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settle the closure regorge telephone number .

On recent - fashion model Chevrolet railway locomotive , it is stamp on a shelf at the rump of the railway locomotive pulley-block on the equipment driver ’s side , just past the piston chamber brain .

harmonise to MRE - Books ' little pulley block Chevrolet locomotive city block Sir Frederick Handley Page , the numerical code is up to eight finger’s breadth long .

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cite the act to a itemisation of live Chevrolet 4.3L shake off bit , interchangeable to the one line up on Rapidomarine.com .

This list has a consummate division on 4.3L cast Book of Numbers which not only name the long time of industry , but any specific proficient version of the locomotive .

For object lesson , vomit identification number " 535 " is a 1992 to 1997 4.3L tumbler River Cam locomotive with a symmetry slam and 10 - deadbolt timing top .