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01-31-2013, 04:17 AM
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#1 |
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Registered User
Join Date: Jan 2013
Location: New providence ia
Posts: 1,018
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Alternator bracket ??
I'm wondering what the correct alternator bracket is I jimmied this one on cause the one it came with didn't allow any adjustment but this one slams it against the valve covers. It's a 72 3/4 ton gmc not original engine I'm not sure what year it is Do you have pictures of your set ups ?? Thanks
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01-31-2013, 04:20 AM
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#2 |
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Registered User
Join Date: Jan 2013
Location: New providence ia
Posts: 1,018
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Re: Alternator bracket ??
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01-31-2013, 06:28 AM
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#3 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: Alternator bracket ??
Here is a picture of a stock 72 setup.
Jim
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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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01-31-2013, 09:17 AM
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#4 |
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Registered User
Join Date: Dec 2012
Location: Upstate , New York
Posts: 647
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Re: Alternator bracket ??
Cant see your lower bracket but the upper is not an original it looks like a universal mr gasket
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01-31-2013, 10:35 AM
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#5 |
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Registered User
Join Date: Aug 2009
Location: St. Paul MN.
Posts: 1,996
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Re: Alternator bracket ??
no ac
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Fuzzy |
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01-31-2013, 11:49 AM
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#6 |
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Registered User
Join Date: Jan 2013
Location: New providence ia
Posts: 1,018
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Re: Alternator bracket ??
I believe the bottom is correct but the top that it came with did not seem right at all. The one that's there I put on just to get it home.
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01-31-2013, 11:49 AM
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#7 |
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Registered User
Join Date: Jan 2013
Location: New providence ia
Posts: 1,018
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Re: Alternator bracket ??
Is there a diffrence with/ without ac mine has ac
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01-31-2013, 12:24 PM
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#8 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: Alternator bracket ??
I don't know if it's correct year are not but it works fine and I have AC. I have spacers to make it line up correctly also. Been like this for 15 years with no belts ever being thrown off.
  
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71  Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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01-31-2013, 12:29 PM
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#9 |
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Registered User
Join Date: Jan 2013
Location: New providence ia
Posts: 1,018
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Re: Alternator bracket ??
I'm not really going for year correct. From what I'm seeing. I'm thinking they had to short of a belt on cause it pulled the alternator clear back against the valve covers with no adjustment
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01-31-2013, 10:42 PM
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#10 |
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Registered User
Join Date: Jun 2012
Location: Keene, NH
Posts: 235
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Re: Alternator bracket ??
If you are using that bracket, go to autozone, or advanced auto and have them reference the belt #, there are 2 options, go with the one that is like 1/2" longer. I can't remember what the length was (I want to say 50 something inches?) I just did this too. My po had one that was way too long on it. I got the longer belt and there is just enough slack to get it on with the alternator against the valve covers, then adjust it out.
 Sorry that's the best pic I have right now. |
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01-31-2013, 10:48 PM
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#11 |
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Registered User
Join Date: Jan 2013
Location: New providence ia
Posts: 1,018
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Re: Alternator bracket ??
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If you can see the bolt hole at the front of the manifold that is where the po had the bracket mounted which from ur guys pictures is wrong for this year guessing it was an 80s engine Posted via Mobile Device
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72 GMC super custom. 
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