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tek707 · 04-16-2010, 07:33 PM

Sending unit from a 72 doesn't fit. The threading porting is much larger.

I read somewhere that the ohms on a 77 sending unit are different from a 72 and not even inline resisters would work.

04-16-2010, 07:33 PM	#3
tek707 Ready, Set, Off-Road! Join Date: Nov 2009 Location: Los Angeles, CA Posts: 29	Re: 72 Blazer w/ 77 Engine Sending unit from a 72 doesn't fit. The threading porting is much larger. I read somewhere that the ohms on a 77 sending unit are different from a 72 and not even inline resisters would work.