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#1 |
Registered User
Join Date: Sep 2002
Location: Fort Worth
Posts: 1,409
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BBC Crankshaft pully question
I found one today that was two piece but the front pully was broken. Is it the same as on a sbc? Or where can I get just the outer one.
(If this is a dumb question it is because I have no experience with BBC parts.)
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1969 Chevy LWB - with shaved handles; 3 1/2 front/ 5 1/2 rear drop; (waiting to be put back together) |
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#2 |
Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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The pulleys are not the same. Do you have a short water pump setup or long? Also, is your pully that you need cast or stamped?
Chevelle/Camaro BBC pullys should work for you. Ground Up Restorations is one source. BBC pulley PN ACP-844 (short water pump). Here is a link. Jim http://www.ss396.com/ |
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#3 |
Registered User
Join Date: Sep 2002
Location: Fort Worth
Posts: 1,409
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I am not sure it came of a 71-72 suburban. I do not know how to tell the difference between cast and stamped. I would say it was whichever one is the weaker of the two. The pully cracked and broke at the bolt attachement point I guess due to overtightening.
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1969 Chevy LWB - with shaved handles; 3 1/2 front/ 5 1/2 rear drop; (waiting to be put back together) |
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#4 |
Registered User
Join Date: Feb 2004
Location: Tacoma WA
Posts: 1,365
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Cast is like an engine block - stamped is like a water pump pulley
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67 C-20 LWB, tilt, speed alert, vac, 454, T400 67 C-10 SWB, factory air with more to follow |
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#5 |
Registered User
Join Date: Sep 2002
Location: Fort Worth
Posts: 1,409
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Then it is stamped. The lower pully is called the crankshaft pully right?
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1969 Chevy LWB - with shaved handles; 3 1/2 front/ 5 1/2 rear drop; (waiting to be put back together) |
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#6 |
Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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It is called the crank pulley. Ground Up also has the second outer pulley in a stamped version if your inner pulley is still good.
Jim |
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#7 |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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If it's just cracked, it can easily be welded.
Those pulleys are pretty hard to find nowdays. It would be worth the effort to repair it.
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