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Old 12-17-2012, 05:45 PM
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Is this a Gen I or Gen II motor? I know little or nothing about the II and III motors, but will try to help. I'm told the NV3500 has an integral bellhousing that will bolt up to a SB, so I guess the only thing you'd need to know is whether it is internally balanced with a neutral flywheel or externally balanced with a weight on the flywheel. One piece seal or two piece seal would make a difference also. LT1 would have a 153 tooth ring gear I think.
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