GM RPO build codes
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==Build Sheet== | ==Build Sheet== | ||
| − | Build sheets are a small strip of paper, about 2 inches wide by 8 inches long or a square about 5 inches by 7 inches that is usually buried in the cotton stuffing of the rear seat, in the backrest of the front seat, or drivers bucket. If you are lucky enough to find this, (the mice usually have other plans for it) then photocopy it immediately and put it | + | Build sheets are a small strip of paper, about 2 inches wide by 8 inches long or a square about 5 inches by 7 inches that is usually buried in the cotton stuffing of the rear seat, in the backrest of the front seat, or drivers bucket. If you are lucky enough to find this, (the mice usually have other plans for it) then photocopy it immediately and put it away in a safe place, the last thing you want is to lose it after having it right under your butt for so long. Build sheets usually confirm what the cowl tag will tell you, but in more depth. |
Build sheets consist of the following information: | Build sheets consist of the following information: | ||
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In addition to the VIN plate, partial VIN numbers are sometimes stamped on the rear frame rail or some other locations depending on the year and make/model. | In addition to the VIN plate, partial VIN numbers are sometimes stamped on the rear frame rail or some other locations depending on the year and make/model. | ||
| − | == | + | ==Casting numbers and date codes== |
| + | {{Note1}}See the links under '''''Resources''''' for more info on casting numbers and date codes, etc. | ||
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When a part is cast, the mold has a part number and a date code set so that it is part of the mold and the part is forever identified. Most older Chevy parts such as heads, blocks, and manifolds, usually have a 7 digit casting number beginning with 3 to identify the part. | When a part is cast, the mold has a part number and a date code set so that it is part of the mold and the part is forever identified. Most older Chevy parts such as heads, blocks, and manifolds, usually have a 7 digit casting number beginning with 3 to identify the part. | ||
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===Partial VIN=== | ===Partial VIN=== | ||
| − | Stamped on the engine pad located in front of the right head. An engine identifier is also stamped here. | + | Stamped on the engine pad located in front of the right head. An engine identifier known as the "suffix code" is also stamped here. |
==Heads== | ==Heads== | ||
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ZY1 : COLOR COMBINATION, SOLID | ZY1 : COLOR COMBINATION, SOLID | ||
| + | ==Related links== | ||
| + | *[http://www.crankshaftcoalition.com/wiki/Category:RPO_GM_build_codes RPO GM build codes] | ||
| + | *[[General Motors body codes]] | ||
| − | + | ==Resources== | |
| − | == | + | *[[Chevy engine casting numbers]] |
| − | + | *[[Identifying Chevy engines]] | |
| − | [ | + | *[[SBC cylinder head identification]] |
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[[Category:Identification and decoding]] | [[Category:Identification and decoding]] | ||
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