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70custom20 · 06-16-2017, 08:00 AM

Someone correct me if I'm wrong, but isn't the only difference between the GM NV4500 and the ones that came behind the Cummins the input shaft? I thought the input shaft could be changed?

06-16-2017, 08:00 AM	#6
70custom20 Registered User Join Date: Dec 2007 Location: Quakertown Pa. Posts: 119	Re: Duramax crate engines Someone correct me if I'm wrong, but isn't the only difference between the GM NV4500 and the ones that came behind the Cummins the input shaft? I thought the input shaft could be changed?