Hayden clutch 2765

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Ironmike

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Anyone know the thickness of this unit. My Mopar perf assembly is a no-go. Need something about 3/4 inch shorter.
Dang it! Brand spankin' new, too. Have to get it on the classifieds.

Funny how stuff changes when don't expect it to.
 
2-11/16"
 

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The Hayden clutch 2765 solved my clearance problem. I bought the mopar fan kit. The clutch was too long but the fan worked with the hayden clutch.
 
Man. Gonna be reeeeal close. I got 3 1/8th from waterpump hub to rad. Might have to do a Felx-a-lite nylon.

What do guys think about that fan clutch being around 3/8 of an inch from my rad? Kinda scary?
 
That is scary. I don't know ..... make sure you have a torque strap. lol

I thought this clutch gave more clearance than that! I have a Griffin radiator and know that 3/8 wouldn't be enough. You have a stock rad?
 
Ironmike said:
Man. Gonna be reeeeal close. I got 3 1/8th from waterpump hub to rad. Might have to do a Felx-a-lite nylon.

What do guys think about that fan clutch being around 3/8 of an inch from my rad? Kinda scary?
Click to expand...

If the clutch fins stick out more than the fan, shave the clutch fins 1/4". 1/2" or more clearance is fine.
 
rad is not stock. Thicker core. Not by much though. I'm stickin' with my flex a lite nylon. I ran it all last year, up to 6800 RPM. Has an 8000 RPM rating and cooled my 340 really well. I won't be revving this new stroker that high, and it fits perfect in relation to the shroud.

I thought the Hayden gave you more clearance too.
 
I guess it would save me time, money and aggravation to just let my seven steel blade Flexalite fan go. I dont drive it that much anyways. I have a electric fan mounted in front of the rad on stand by also.
 
Ironmike said:
rad is not stock. Thicker core. Not by much though. I'm stickin' with my flex a lite nylon. I ran it all last year, up to 6800 RPM. Has an 8000 RPM rating and cooled my 340 really well. I won't be revving this new stroker that high, and it fits perfect in relation to the shroud.

I thought the Hayden gave you more clearance too.
Click to expand...

I have the Champion 4 core radiator with the longer aluminum 70 up small block water pump. The Haydan 2765 saved my butt. Only thing that would work.

I just measured the clutch fins are exactly 1/2" from the radiator. The front-most part of the fan blade tip is 15/16" from the radiator.

I've been running the p#ss out of it. All day at Willow Spring to 6100 rpm and on the street hard too. Buzzed it to 6000 coming home from the store a 1/2 hour ago. No traction with the 416 in 1st gear. Even from a 15mph row.
 

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In my case Im running March water pump pulley in which the thickness of it is atleast ¼"... that doesn't help things either.
 
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