66 C10 factory temp gauge and a Temp Sending Unit on a vortec L31. Anyone done it?

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After recommendations from others I checked with the site member A1971Blazer about some help with a temp sending unit that will fit the block of an L31 Vortec and he uses the AcDelco G1852 part and has had it work for 67-72 but wasnt positive it would work on a 66 temp gauge. Ive got the American Autowire kit to update my 66 with and spoke with them and was told as long as the specs were 620 ohms for cold to 96 ohms to hot that it would work fine. Ive contacted AC Delco and havent heard yet on what the specs are. Anyone had this done for a 66 with an L31 and had it work ok?