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01-25-2023, 09:29 AM | #1 |
F’B’D guy
Join Date: Feb 2004
Location: Texas/Maine
Posts: 2,234
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Did 1986 squarebodys ever come with TBI ?
I swear I had a factory original 1986 C10 with TBI…?
No? |
01-25-2023, 09:45 AM | #2 |
Active Member
Join Date: Jan 2017
Location: Traverse City, MI
Posts: 195
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Re: Did 1986 squarebodys ever come with TBI ?
My 1986 K20 came with a carburetor, my 1988 K20 Suburban came with TBI. 1987 was the first year of TBI.
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01-25-2023, 12:37 PM | #3 |
Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,226
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Re: Did 1986 squarebodys ever come with TBI ?
No.
'86 was carbed. '87 was the first year for TBI in a square. The original direction was to introduce it on the GMT400 models but management decided it was too much risk to do an all new truck and an all new powertrain in the same year. They elected to pull TBI ahead to get some (more limited) field exposure prior to the release of the new truck. K
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Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
01-25-2023, 01:06 PM | #4 |
F’B’D guy
Join Date: Feb 2004
Location: Texas/Maine
Posts: 2,234
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Re: Did 1986 squarebodys ever come with TBI ?
As always, thanks for your knowledge Keith.
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01-25-2023, 01:12 PM | #5 |
Registered User
Join Date: Dec 2011
Location: WA
Posts: 378
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Re: Did 1986 squarebodys ever come with TBI ?
Starting 1/1/87 did the squarebodies have EFI? When would have been the cutoff?
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01-25-2023, 01:20 PM | #6 |
Registered User
Join Date: Jul 2014
Location: North-central Virginia
Posts: 1,104
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Re: Did 1986 squarebodys ever come with TBI ?
Model year 1987. Each model year went on sale sometime the previous year, in the same way it happens today.
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1987 C6P V20 truck, 2010 LMG 5.3, AFM delete, 2010 Camaro exhaust manifolds, 1997 nv4500, 1991 np241c, hydroboost, 2005 14bff axle & driveshaft, drop-n-lock gooseneck, 4.10 gears, stock suspension, rims, and tires. Still a work in progress. Any questions or suggestions are welcome! |
01-25-2023, 07:54 PM | #7 | |
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Join Date: May 2009
Location: Motor City
Posts: 9,226
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Re: Did 1986 squarebodys ever come with TBI ?
Quote:
My '87 R10 was built 9/29/86. That was a Monday, second shift (I left it at the shipping building Tuesday 9/30/86 at about 1 am). K
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Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ Last edited by Keith Seymore; 01-26-2023 at 01:19 PM. |
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01-25-2023, 08:36 PM | #8 |
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Join Date: Jul 2014
Location: North-central Virginia
Posts: 1,104
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Re: Did 1986 squarebodys ever come with TBI ?
Did the 1988 gmt400 trucks go into production earlier in the year than normal? I thought I've heard that the 1987 model year production and/or sales was cut a little shorter because of the body style change.
__________________
1987 C6P V20 truck, 2010 LMG 5.3, AFM delete, 2010 Camaro exhaust manifolds, 1997 nv4500, 1991 np241c, hydroboost, 2005 14bff axle & driveshaft, drop-n-lock gooseneck, 4.10 gears, stock suspension, rims, and tires. Still a work in progress. Any questions or suggestions are welcome! |
01-26-2023, 10:04 AM | #9 |
Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,226
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Re: Did 1986 squarebodys ever come with TBI ?
I don't recall that being the case.
My recollection was that the GMT400's were introduced in a normal cadence. There was the whole R/V/C/K rollout through 1991 so that tends to confuse things (it was really confusing at the time and it's really confusing now, even though I was there). K
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Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
01-26-2023, 12:56 PM | #10 | |
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Join Date: May 2015
Location: Montana
Posts: 3,696
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Re: Did 1986 squarebodys ever come with TBI ?
Quote:
But the 91 Suburban was actually "older" than the 89 pickup
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Current/past Chevy/GMC trucks: 1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner |
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