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01-03-2013, 11:48 PM
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#1 |
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Moderator
 
Join Date: Jul 2006
Location: Ozark, MO
Posts: 4,888
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Heavy Half?
My '87 has 1.25" rotors and sit high, I suspect it has the 3/4 ton front springs. I don't have an SPID so at this point I'm not sure if it has the F44 heavy half option. Was that even available in '87? Most of the Big10's or heavy half's I've seen are older. Were the rear leafs heavier, were there extras, or did they have a different rear end? I'm looking for an easy ID, mainly so I'll know before I do the 4.5/6 drop and just for curiosity sake. For what it's worth the truck rides really nice.
Thanks
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'20 Silverado Trail Boss ~ '17 Tahoe ~ '79 K15 Sierra Grande ~ '76 Blazer 2wd ~ '71 Cheyenne swb ~ '55 Pontiac Safari ~'50 3100 bagged ~ '80 Wife ~ Late model kids
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01-04-2013, 12:13 AM
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#2 |
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Registered User
Join Date: Feb 2007
Location: Austin, TX
Posts: 3,930
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Re: Heavy Half?
I don't know about the 80's, but if it did it would have 56" rear leaf springs with 7 leafs plus an overload or something close to that. It should have a 2 piece drive shaft too. Those would be the dead giveaways. Mine rode really stiff going over bumps before I took some out some leafs from the rear.
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1977 GMC Sierra Grande |
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01-04-2013, 08:38 AM
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#3 | |
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Registered User
Join Date: Oct 2003
Location: houston, texas
Posts: 1,974
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Re: Heavy Half?
Quote:
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2008 Silverado Z71 RCSB 1991 GMC Jimmy 4x4 1976 GMC Sierra C15 SWB |
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01-04-2013, 10:58 AM
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#4 |
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Registered User
Join Date: Dec 2012
Location: overland park, ks
Posts: 167
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Re: Heavy Half?
looks almost 4 wheel drive. guess more use to seeing lowered? cool truck!
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01-04-2013, 01:27 AM
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#5 |
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Registered User
Join Date: Mar 2012
Location: Little Rock, Arkansas
Posts: 770
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Re: Heavy Half?
That option was discontinued in '80 or '81. They came with big leaf stack, 12 bolt and bigger rear brakes. I have a one piece drive shaft, but somethings came a little different for different trucks.
Posted via Mobile Device
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1979  Sierra Classic Heavy-half1996 Silverado x-cab "the daily" |
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01-04-2013, 08:11 PM
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#6 |
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Registered User
 Join Date: Sep 2009
Location: Lubbock Texas
Posts: 1,049
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Re: Heavy Half?
Hey Leevon, neat truck. Is it a 350? If so hang on to it. I think collectability the 87 is the next "72"
Always appreciate you Paul
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You can shear a sheep every year, but you can only skin it once The person dealing with facts is never at the mercy of the person dealing with theory 1972 Cheyenne Super 402 400 A/c bucket seat tilt custom camper Longhorn 1975 Silverado 454 Crew cab camper special dually |
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