how can i manually turn up my motor in my 93 gmc 6.5 turbo diesel

1993 GMC C2500
216,000 MILES
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LEAVEMSPEACHLESS
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how can i manually turn up my motor in my 93 gmc 6.5 turbo diesel
Mar 8, 2012 at 3:17 AM
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JACOBANDNICKOLAS
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WE ONLY RECOMMEND FACTOR SERVICE AND REPAIRS
Mar 8, 2012 at 3:58 AM