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**rs74** · 09-24-2013, 06:01 PM

On the 77W RPO code it doesn't quite say what it is suppose to. It ends in the dua?
And what is all the other letters and numbers mean that are right under that RPO code.

09-24-2013, 06:01 PM	#2
rs74 Senior Member Join Date: Jun 2010 Location: Illinois Posts: 2,957	Re: SPID code questions- On the 77W RPO code it doesn't quite say what it is suppose to. It ends in the dua? And what is all the other letters and numbers mean that are right under that RPO code. __________________ Roy 85 Short Bed Silverado- Work in progress. http://67-72chevytrucks.com/vboard/s...d.php?t=564818 1987 R10 shortie