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View Full Version : 1967 L78 Fan Clutch 3.25" functional replacement recommendation


jbtech
02-14-2022, 04:45 PM
Technical Inquiry:

Looking for a new functional fan clutch that will bolt up to my L78 fan with 3.25" bolt pattern.

Can't afford an original clutch right now but I'd like to run the correct fan.

I can't seem to find one with a 3.25" bolt pattern. Anyone?

169indy
02-14-2022, 05:45 PM
What about Vette Suppliers?
https://www.paragoncorvette.com/search.aspx?Year=0&SearchTerm=fan+clutch

They do not disclose the fan mounting stud bolt circle dimensions= Dang it

I am in a similar situation Needing a 3927103 (or suitable replacement), 5/8 pilot hub w/ 1-3/4

Big Block Bill
02-14-2022, 06:02 PM
Pm sent

Bill

169indy
02-14-2022, 07:07 PM
Interesting Link for Reference.

http://www.camaros.org/forum/index.php?topic=562.0

Jim

jbtech
02-15-2022, 06:12 AM
I'm going to give Hayden Part 2713 a shot as it does have a 3.25" bolt circle.

169indy
02-15-2022, 03:12 PM
What do you think of the "Heavy Duty" <3.5"BC>
Brand:Hayden
Part Number: 2747 2947

169indy
02-25-2022, 04:08 AM
The Part Place
TPP #: CS1386Z

Too Many Projects
02-25-2022, 11:18 PM
The Part Place
TPP #: CS1386Z


If you are going to buy something from The Parts Place, CALL and ask the person if it is in stock and have them write it up right then. I've had issues with the part being "sold" and back ordered a half hour after checking stock with them and then compiling a large order online.

jbtech
02-28-2022, 03:29 AM
Thank you all for the advice!

169indy
11-24-2022, 04:27 AM
I purchased this and it fits very well & will report how it functions when I lite off and run the motor and car. This is used with a Factory Solid Lifter Fan. While the replacement lacks the appearance of the GM Clutch, it should fit the bill as an economical temporary replacement for those seeking the rare orig clutch.

Link
https://www.ebay.com/itm/351953504364?hash=item51f210486c:g:LzMAAOSwjDZYc8g U&amdata=enc%3AAQAHAAAAoB7PNJ8RyWfYohiThZEHhKueJ2pzp 6h6mL53Fq4ko0kklOT4Jt6hpnY34PDWvLBrW9fjCky3Tbe0wlI %2FoVLB%2BmNTv9PH8BOo2ieVxocY3KeXXlZR06GEiZIoBoygo 6EuwBtG5QuIwkJYbB8YMT1dbVX0D8X7w97LI7le0u3bsuvg30I RnVJtICbeweSKq%2Bu0JCO0hiZDWtoZ1gyj6lLLeBs%3D%7Ctk p%3ABk9SR461moGVYQ

67rs/ss
11-25-2022, 11:07 PM
I have a GM one, part # 3916141 for my L78. I believe the is the correct gm replacement. Though I believe it is discontinued.
Tony