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09-23-2013, 06:51 PM
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#1 |
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Registered User
 Join Date: Nov 2011
Location: enfield ct
Posts: 67
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Heater box
Wondering what size bolts I need to put my heater box back on the firewall. I lost mine a long time ago and looking for replacements. Thanks
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09-23-2013, 07:46 PM
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#2 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: Heater box
If you are referring to the inside box then the bolts are special as they clip to the box. The outside box uses the inside box bolts plus some sheet metal screws, which I believe are no. 12's.
If you need the inside box bolts then a WTB on the parts board may be the quick way to solve your problem. Jim
__________________
1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
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09-23-2013, 07:57 PM
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#3 |
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Registered User
Join Date: Nov 2011
Location: enfield ct
Posts: 67
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Re: Heater box
Thanks ya it's the ones that mount the whole assembly to the firewall I think that there some sort of fender bolt. Just stumped on what to buy for bolts
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09-24-2013, 08:18 PM
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#4 |
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Registered User
Join Date: Dec 2012
Location: Virginia
Posts: 233
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Re: Heater box
Just took mine apart today and its a combination of sheet metal screws and a two studs protruding from the firewall that had nuts and washes on them.
My heater box was badly rusted any advice on repairs? what condition was yours in? New heater core I bought dosent fit well either. |
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09-25-2013, 01:30 AM
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#5 |
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Registered User
Join Date: Jul 2005
Location: Spokane,Washington
Posts: 107
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Re: Heater box
Here's what I just removed from a '72 w/o AC. One screw is missing. Not sure of the size of threads but 1 was 7/16 and the rest have 3/8 heads..
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09-25-2013, 08:09 PM
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#6 |
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Registered User
Join Date: Nov 2011
Location: enfield ct
Posts: 67
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Re: Heater box
Those are the magic bolts anyone know the thread size hope I can grab some from local parts store. Thanks
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09-26-2013, 12:57 PM
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#7 |
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Registered User
Join Date: Dec 2012
Location: Virginia
Posts: 233
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Re: Heater box
Just found a replacement heaterbox for 67-72 WITHOUT AC only. You just have to transfer your heatercore and fan motor over.
http://woodallindustries.com/product...&vehicles=6772 |
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