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04-16-2014, 11:55 PM
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#26 |
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Registered User
Join Date: Sep 2009
Location: Beaverton, OR from WA State
Posts: 1,515
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Re: How many 8.1L/496's out there?
I dug around a little and I swear I've read most of DirtyLarry's 8.1 posts, have yet to find the answers I am seeking.
My DD, Vortec 7400 powered, love it, am looking into some upgrades for it. I get that heads/intake/block all have different bolt hole locations, bolt patterns, etc, nothing interchangeable there with other engines(excluding classic bellhousing pattern). One of the upgrades I'm researching is coil-over-plug ignition, another is headers...they are slim pickings for GMT-400 7.4 powered trucks. - Will 8.1 exhaust manifolds/aftermarket headers bolt to a Gen VI? If so, recommended brand/model, or is there a nice high flowing factory manifold? - Do 8.1 valve covers bolt to Gen VI heads? - Does the 8.1 timing cover bolt to my Gen VI?
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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 |
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