Crossmember or Oil Pan Which should we box
07-13-2003, 11:41 PM
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Crossmember or Oil Pan Which should we box Am leaning heavily toward cutting crossmember, forming 3 X 1/4" plate and welding it back up. Before I do thought I would check with the existing experts. I could pull the pan and get it boxed. My thoughts (as weak as they may be) is that the 1/4" plate would more than make up for the missing crossmember and it should still be stiff enough. Your guys thoughts??
07-14-2003, 06:18 PM
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Re: Crossmember or Oil Pan Which should we box I cut and boxed my crossmember, took a good day to do it. I also had to cut and box a small place at AC compressor. Compressor cleared but couldn't get AC lines on back of compressor. Oil pan would be a lot easier just needed a challenge. I had a bare block and extra oil pan, made taking in and out a lot easier by myself.
08-02-2003, 04:27 AM
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Re: Crossmember or Oil Pan Which should we box I went with boxing the crossmember since my goal was to get the LS1 as far back and as low as possible for weight distribution. Once I did that there was no need to modify the oil pan but I had to either mount the Alternator and AC up high or notch the crossmember. I choose to notch the crossmember to keep the brackets stock LS1. I went with 1/8" plate for the boxing plates because that was closest to the original crossmember thickness. Picture is before final welding. 
