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Got my Off Road Design's Crossmember mocked-in! You have to drill-out one rivet hole and drill a couple of new holes in the bottom web of the frame to mount it.I drilled and tapped a hole to attach the clamp for the front differential breather. It was clamped to the old stock crossmember.I also drilled and tapped a hole for the clamp that goes to the hardline. It was also bolted to the old stock crossmember.Then I pulled it all out and the engine crossmember, frame side motor mounts and the transfer-case crossmember are going to the powdercoater for a fresh coat of semi-flat black.
Picked-up a low mileage 6.0L LS out of a 2004 Yukon Denali XL2500 today! Slightly different route now. Hope I will be satisfied. I don't think I'll be making 410 lb-ft of torque at 1,600 RPM anymore! I'd really like to put some L92 heads and an LS3 intake manifold on it, but the cost of those things along with a new camshaft really isn't in the cards right now.http://forum.73-87chevytrucks.com/smforum/index.php?topic=19098.msg290063#80
Side question...I am getting close to finding out, but does anyone know if the stock LQ4, low, passenger's side A/C pump will fit in-between my frame rails?
The OE crossmember interfers with the oil pan on the driver's side. You can notch the crossmember or you can put something like the ORD crossmember in. It gives better clearance to the engine and also better clearance for my crossover steering.And yes, I am sure of the engine that I got. It is a LQ4 out of a 2004 GMC Yukon XL 2500 with 95k miles on it. Full Drop-out in excellent shape!