Ferris,

Just a thought, but have you considered/checked the clearance space available if you move the engine and oil pan sump forward that far???

I attached a screenshot of the front frame with suspension taken from the '66 Truck Heritage site documents below. IIRC, that oil pan sump doesn't have a lot of clearance in it's original position with the steering components mounted to the rear of the engine support cross member. Could pose a problem with pan contacting the steering center link as it travels back and forth during turns???

Will also affect your accelerator controls I believe.

Just some food for thought.

Dan
Attachments
Front cross member and steering clearance 1966-Chevrolet-Truck.pdf.png (216.4 KB, 76 downloads)
'66 front frame and suspension

~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)