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Author Topic: 69 BB 4 blade fan bolts  (Read 3718 times)

Danzo

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69 BB 4 blade fan bolts
« on: April 09, 2019, 12:28:18 AM »
Guys, looking for info/pictures for the bolts that hold the 4 blade fixed fan to the water pump. Head markings, length , etc.
Thanks, Doc.
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Danzo

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Re: 69 BB 4 blade fan bolts
« Reply #1 on: April 14, 2019, 12:15:53 PM »
Anyone?
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x66 714

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Re: 69 BB 4 blade fan bolts
« Reply #2 on: April 14, 2019, 12:36:51 PM »
Doc, I did a little research on the spacer, I found it to be part number 3927792, 1". It was used on all 1969 V8 engines that didn't have a fan clutch. Researched the part number in the catalog but find no listing of the bolts. Knowing that it's not big block only might help others to look....Joe

Found some more info. Bolt was a 9427927 which was a 5/16-24x2". Used a lock washer also.

Now you need the head marking
« Last Edit: April 14, 2019, 01:43:01 PM by x66 714 »
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See America's First, Chevrolet

1968 Z/28 Corvette Bronze. Black Hounds Tooth. 02E Los Angeles born 3/13/1968 pnt OO. Purchased March 1976
1969 SS396 Yellow/Yellow 08E Norwood born 8/28/1969 pnt 76E. Purchased April 1981

68camaroz28

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Re: 69 BB 4 blade fan bolts
« Reply #3 on: April 14, 2019, 05:10:51 PM »
Doc, picture of what our bolt heads are on our 69 L78 Nova which did not utilize a fan clutch from factory. Had to use a light and mirror to get a picture.


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Chick
68 Z/28 NOR 01B Orig motor/trans/rear
69 Z/28 NOR 07A Orig Block & GM Cross-ram/carbs
69 L34 Rest. Nova Father/Son Car
69 L78 Surv Nova Purch 4/69 31K miles
67 L89 Corv Tribute
68 Corv 427/400 Orig motor
07 Corv Z06
R 68Z build- http://www.camaros.net/forums/showthread.php?t=182584

Danzo

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Re: 69 BB 4 blade fan bolts
« Reply #4 on: April 14, 2019, 06:21:55 PM »
Joe and Chick,
 Thank you very much!
Doc.
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x66 714

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Re: 69 BB 4 blade fan bolts
« Reply #5 on: April 14, 2019, 07:03:36 PM »
The ones for mounting the fan clutch to the pump also have that same head...just didn't know about 4 blade...Joe
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See America's First, Chevrolet

1968 Z/28 Corvette Bronze. Black Hounds Tooth. 02E Los Angeles born 3/13/1968 pnt OO. Purchased March 1976
1969 SS396 Yellow/Yellow 08E Norwood born 8/28/1969 pnt 76E. Purchased April 1981

Danzo

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Re: 69 BB 4 blade fan bolts
« Reply #6 on: April 15, 2019, 11:36:13 PM »
Any big/small blocks out there with a different head marking than Chick's?
Thanks, Doc.
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