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Old 09-06-2016, 01:18 PM   #4
83GMCK2500
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Join Date: Sep 2009
Location: Beaverton, OR from WA State
Posts: 1,515
Re: '98 Vortec PCM Options

Most tunable/customizable? That would be the 12200411 PCM: http://www.gmtruckcentral.com/articles/12200411.html

EDIT: Missed the trans confusion. Definitely still a 4L60E, as mentioned previously in '97 the bellhousing became removable.
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Devin

1983 GMC High Sierra 2500, 4x4, RC/LB, 400 S.B., SM-465, NP-208, Corporate 10 bolt & 9.5" 14 bolt
1996 GMC Sierra SLE 3500 DRW, 4x4, EC/LB, Vortec 454, NV-4500, BW-4401, AAM 925 & AAM 1050
1997 GMC Sierra SLT 1500 4x4, Z71/F44, EC/SB, Vortec 350

My Introduction with my '83s History
New Daily, the '96

Last edited by 83GMCK2500; 09-06-2016 at 11:55 PM.
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