1972 K20 LQ4/4L80E Swap - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**derotoreut** · 12-10-2019, 11:17 AM

Same issue with my K10. There is next to no room for me either. I can barely slip my little finger between the passenger side head/valve cover and firewall. Again I'm using the Pacific Fab crossmember, but I positioned it so I didn't have to modify driveshafts. I also have very little room between the front driveshaft yoke and 4L60E pan. Maybe 1/4" if that!

Very little room between pass side valve cover and firewall.
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Doug Thorley headers wouldn't work. Hit firewall.
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12-10-2019, 11:17 AM	#12
derotoreut Roto Reuter thats the name... Join Date: Feb 2010 Location: Darien, NY Posts: 1,853	Re: 1972 K20 LQ4/4L80E Swap Same issue with my K10. There is next to no room for me either. I can barely slip my little finger between the passenger side head/valve cover and firewall. Again I'm using the Pacific Fab crossmember, but I positioned it so I didn't have to modify driveshafts. I also have very little room between the front driveshaft yoke and 4L60E pan. Maybe 1/4" if that! Very little room between pass side valve cover and firewall. Doug Thorley headers wouldn't work. Hit firewall. __________________ ~ Dan My 70 K10 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=782232 My 71 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=651394 1970 SWB Fleet K10 4X4, 5.3L LM7, 4L60E, Dakota Digital RTX, Vintage Air, Ididit tilt 1971 SWB Fleet C10 - Original SWB Arizona truck, new custom restoration project "Kick out your motor and drive while you're still alive - kick it out!" - Heart 1977



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