Sorry that it didn't occur to me until now that it was what you are looking for. I'll find out Wednesday what it will cost to ship it. The OD of the blades is about 19". Is that the same as the 8.1l fan?

 

about 20.5" on the 8.1L. Should be okay though.

Can you shoot me a pic?

 

I'll send a picture tommorrow. I think that you would be wasting your time, though, if the blades are 3/4" farther from the shroud. What is the diameter of the Duramax fan?

 

about the same....20.5". Are you sure that yours is exactly 19" and not a little bigger? Really have to set a 2x4 at the top and bottom to get a true diameter, its tough to measure blade tip to blade tip. Let me know.

 

I measured 9 1/2" from one blade tip to the center of that spring (thermostat?) on the front.

 

I just ran to the garage, Dmax fan is 21" in diameter. 10.5" to the center of the clutch. The problem i had with the Dmax setup is the bolt pattern on the clutch itself. The Dmax clutch had a bolt pattern of 4" on center, while my 8.1L clutch had a pattern of 3.25" on center. So i could not put the Dmax fan on the 8.1L clutch with the bolt patterns being different. I could not use the Dmax clutch because it had a 1-7/8" nut on it....to big for my pump threads. So i was kinda screwed and had to just stick with my 8.1L clutch and fan. Now, maybe if your clutch has a 4" center to center bolt pattern, i could use your clutch with the Dmax fan....but that would just be to easy...LOL. wanna check your bolt pattern?

 

Can't .....answer....any.....more. Must......go.....to.....sleep.....now.

 

 

2-3/16" center to center? What is that, a baby clutch? Okay, thanks for gettin a pic and measurement for me, but i dont think its gonna cut it.

 

I held the tape measure across the diameter and eyeballed it, it is 3 1/4", sorry.