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06-07-2014, 12:05 AM
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#1 |
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Registered User
Join Date: Dec 1999
Location: Mississippi
Posts: 119
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Crank pulley bolt
Can someone provide the crankshaft pulley bolt size for a 1970 307? Pulled mine few weeks ago while working on pulleys and now can't locate it. Thanks in advance.
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1970 GMC Custom 1500 SWB 307/TH350 3.73 Positrac |
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06-07-2014, 01:37 AM
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#2 |
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Registered User
Join Date: Jun 2013
Location: Somewhere
Posts: 3,069
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Re: Crank pulley bolt
Any scrapyards in MS?
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06-07-2014, 02:38 AM
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#3 |
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Senior Member
 
Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
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Re: Crank pulley bolt
i would look on summit racing under the fastners section, or call the tech guys there they should be able to help
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Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks 
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06-07-2014, 06:49 AM
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#4 |
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Watch out for your cornhole !
Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: Crank pulley bolt
7/16 fine thread for the center one. 3/8 for the three smaller ones around it.
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I'm on the Instagram- @Gearhead_Kevin |
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06-07-2014, 09:51 AM
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#5 |
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Registered User
Join Date: Mar 2012
Location: New Orleans, La
Posts: 406
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Re: Crank pulley bolt
If you misplaced your washer too, I have an extra I can mail you. They're pretty stout.
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It's not that I am apathetic, I just don't care. If your life is a joke, it appears death will be your punchline. |
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06-11-2014, 01:39 PM
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#6 |
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Registered User
Join Date: Dec 1999
Location: Mississippi
Posts: 119
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Re: Crank pulley bolt
Thanks LSU. I've still got the washer. Pulled the original bolt because I needed a longer one (had to shim pulleys) and I think the darn thing fell under the seat of my daily driver although I can't see it.
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1970 GMC Custom 1500 SWB 307/TH350 3.73 Positrac |
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