t56 swap - The 1947 - Present Chevrolet & GMC Truck Message Board Network

superwade57 · 08-11-2011, 11:12 AM

Hi guys I know this has been covered before but can't find the exact info I need. I have an 86 SWB soon to be LT1/T56. My question. Is I know that in a 2wd cab its said the trans tunnel needs to be modified. I don't know exactly how much or in what way specifically. Does the front or rear need to be taller or wider. Am I better off modifying the 2wd tunnel or just cutting out a 4wd tunnel and welding it in from firewall to rear cab wall? Thanks for your help also any other tips or tricks ill need would be helpful
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08-11-2011, 11:12 AM	#1
superwade57 Registered User Join Date: Jul 2010 Location: Janesville, WI Posts: 664	t56 swap Hi guys I know this has been covered before but can't find the exact info I need. I have an 86 SWB soon to be LT1/T56. My question. Is I know that in a 2wd cab its said the trans tunnel needs to be modified. I don't know exactly how much or in what way specifically. Does the front or rear need to be taller or wider. Am I better off modifying the 2wd tunnel or just cutting out a 4wd tunnel and welding it in from firewall to rear cab wall? Thanks for your help also any other tips or tricks ill need would be helpful Posted via Mobile Device



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