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#1 |
Registered User
Join Date: Mar 2014
Location: Mount Vernon, WA
Posts: 417
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One Year Only Stuff 73-87...
It seems like GM made styling and mechanical changes every 2-3 model years,
but what are some interesting one-year-only options and parts in the 73-87 (91)'s? This is just to make an interesting discussion...
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Cameron 1984 Chevy C20 Custom Deluxe |
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#2 |
Registered User
Join Date: Oct 2005
Location: North Idaho
Posts: 335
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Re: One Year Only Stuff 73-87...
Excellent question, and not one that I've seen posted before.
The most obvious item I can think of is the golden/yellow center side trim used only in 1977. Also trim related is the combo turn signal & headlight surround used only in 1979. The 1980 model had something similar (and maybe was identical for the round-headlight lower trim models), and of course the square headlight plus turn signal surround was unique to 1980. In the back of my mind I have a sneaking suspicion there were other one year only specific mechanical items, but it's just not coming to me now. And lets not forget a one-year-only ommission - the inaugural 1973 models were missing drip rails over the doors, which every year thereafter included.
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1980 K10 Suburban Silverado, original 350 w/Qjet swapped to 406sb, TH350C swapped to TH400/205 |
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#3 |
Registered User
Join Date: Dec 2013
Location: West, TN
Posts: 312
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Re: One Year Only Stuff 73-87...
1987 first and only year a EFI V8 in a 1/2 ton squarebody.
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#4 |
Senior Member
Join Date: May 2004
Location: Caldwell,Tx.
Posts: 3,648
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Re: One Year Only Stuff 73-87...
1977 was an odd year. I am pretty sure the seat belts are 77 only, the door panel inserts on Cheyennes and Silverado's was a one year only trim piece. The dash insert is a one year only wood pattern for 77 also. Blue painted engines also started in 77.
Frank
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#5 | |
yeller
Join Date: Oct 2001
Location: Twin Cities
Posts: 13,826
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Re: One Year Only Stuff 73-87...
Quote:
Speaking of, the GJ was the only truck to have the kick panel speakers from the factory. They also had unique bed rails, and the truck itself was a one year only. Same is true for the Beau James.
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Jeff 73-87.com 73-87.com Facebook page 73-87 cab corner 6x9 speaker brackets for sale 67-72 cab corner speaker brackets for sale 47-54 cab corner speaker brackets for sale |
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#6 | |
Senior Member
Join Date: May 2004
Location: Caldwell,Tx.
Posts: 3,648
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Re: One Year Only Stuff 73-87...
Quote:
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Born and proudly residing in a Red State ! |
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#7 |
Registered User
Join Date: Mar 2014
Location: Mount Vernon, WA
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Re: One Year Only Stuff 73-87...
How about door panel speakers on the 1980 models?
And 80 had the combination of newer style gauges in the older instrument bezel and dash pad.
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Cameron 1984 Chevy C20 Custom Deluxe |
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#8 |
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Join Date: Jun 2009
Location: Oroville, CA
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Re: One Year Only Stuff 73-87...
I think the 73 is the only year without a driver side tank option and the 74 is the only year with a mechanical dual tank switcher valve.
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#9 |
Registered User
Join Date: Aug 2013
Location: Calgary Alberta
Posts: 273
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Re: One Year Only Stuff 73-87...
1975 was the last year with the engine displacement badge in the grille and the first year of clear front turn signal lenses and first updated grille.
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#10 |
yeller
Join Date: Oct 2001
Location: Twin Cities
Posts: 13,826
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Re: One Year Only Stuff 73-87...
Door speakers were 79-80.
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Jeff 73-87.com 73-87.com Facebook page 73-87 cab corner 6x9 speaker brackets for sale 67-72 cab corner speaker brackets for sale 47-54 cab corner speaker brackets for sale |
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#11 |
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Join Date: Dec 2010
Location: Pittsburgh, PA
Posts: 1,009
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Re: One Year Only Stuff 73-87...
1981 Cheyenne models are very rare. It's the first year for the new front end, but the Cheyenne trim package was still offered that year. If you can find the emblems for one, they're worth a pile of money. I found the dash emblem for one, and I bought it immediately for that reason.
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Steve Member of the Foot Pedal Club '83 Chevy K20: 6" Rough Country, 3" Performance Accessories BL, Bushwacker Cutouts, 38x15.50 Mickey Thompson Baja Claws, 350 HP 350 crate engine from Jegs, Turbo 400 ![]() |
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#12 |
Junior Member
Join Date: Jun 2004
Location: Murfreesboro, Tn
Posts: 1,092
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Re: One Year Only Stuff 73-87...
( square) 1991- first and only year VSS (electronic speedo) NP205 transfer case
- 4l80e transmission - gen V 454 Last year - iconic body style ![]()
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#13 |
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Join Date: Aug 2013
Location: Camden, Arkansas
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Re: One Year Only Stuff 73-87...
Yep, my dad has one. He says if he can find another one that's clean with low mileage, he's gonna buy it instead of buying a new one. He's 73 years old and new trucks are just too big now. He still gets out and gives his a real hand wash and he just couldn't do a new one justice. "Can't even reach the windshield or halfway across the hood without getting on a step-ladder and I'm not falling off a step-ladder trying to wash a truck!" That's his quote every time anyone asks him why he hasn't bought a NEW truck. GTT
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GoTennTitans 1987 GMC Sierra 1990 GMC Sierra (stolen) 2003 Chevy Silverado |
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#14 |
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Join Date: Dec 2013
Location: West, TN
Posts: 312
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Re: One Year Only Stuff 73-87...
My father had a 1979 K10 long bed that he bought new. I remember as a child seeing the number 400 in the lower part of the grille. He might have put it on there though.
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#15 |
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Re: One Year Only Stuff 73-87...
1980 rectangular headlights on the pre 81 style front end.
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#16 |
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Join Date: Apr 2012
Location: Loretto Ky
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Re: One Year Only Stuff 73-87...
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#17 |
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Join Date: Jan 2013
Location: Jasper, IN
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Re: One Year Only Stuff 73-87...
My 85 was efi, it just was mandatory for 87
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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#18 |
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Join Date: May 2011
Location: Goliad, TX
Posts: 672
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Re: One Year Only Stuff 73-87...
Not that many would care but the 1982 was the only year that the 6.2 diesel block was painted red and was the only year that the 6.2 block had a higher nickle content. The higher nickle content made them less prone to cracking in the main webbing area and the cylinder walls lasted longer. They also had coarse thread injectors that are unique to that year.
Wasn't 81 and 82 the only years with the turn signals in the bumpers?
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#19 | |
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Join Date: Mar 2014
Location: Mount Vernon, WA
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Re: One Year Only Stuff 73-87...
Quote:
81-82 were the only years since 71-72 having the signals in the bumper. Thus, a base model 81 painted bumper with turn signals in it is one year only.
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Cameron 1984 Chevy C20 Custom Deluxe |
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#20 |
yeller
Join Date: Oct 2001
Location: Twin Cities
Posts: 13,826
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Re: One Year Only Stuff 73-87...
NO 73-87 (91) were EFI...those that were fuel injected were TBI throttle body injected.
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Jeff 73-87.com 73-87.com Facebook page 73-87 cab corner 6x9 speaker brackets for sale 67-72 cab corner speaker brackets for sale 47-54 cab corner speaker brackets for sale |
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#21 |
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Join Date: Jan 2012
Location: Palmdale CA
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Re: One Year Only Stuff 73-87...
how about the Gmc trucks? Are they the same?
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#22 |
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Join Date: Nov 2011
Location: Tyler Texas
Posts: 145
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Re: One Year Only Stuff 73-87...
True but the badging does say "Electronic Fuel Injection"
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#23 |
At the body shop.
Join Date: Aug 2009
Location: Land of fruits and nuts.
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Re: One Year Only Stuff 73-87...
No.
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" That didnt make it any newer " " Dont antique the equipment " |
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#24 | |
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Join Date: Jun 2014
Location: Orlando Florida
Posts: 1,598
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Re: One Year Only Stuff 73-87...
It's still EFI. It isn't mechanically actuated.
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#25 |
Registered User
Join Date: Aug 2013
Location: Calgary Alberta
Posts: 273
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Re: One Year Only Stuff 73-87...
It must have been added on from an earlier truck. I always thought the engine badge in the grille was cool, I don't know why GM stopped it so early on. I have a mint 78 GMC grille up on my garage wall and I put a 350 badge off a 1973 Cheyenne in the lower corner and it looks like it belongs there.
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