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05-12-2020, 10:46 AM | #1 |
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Join Date: Feb 2020
Location: Lenoir NC
Posts: 110
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considering a 6.2 in my 68?
I've found a local junkyard that has a 5.3 with 4l60 trans, complete system for $1750 and also a 6.2 that i'm thinking I could pair with a 4l80, complete package with transmission for $3750. I'm leaning toward the 6.2. Any issues that I may not be aware of that I should consider before pulling the trigger? Would the $2000 difference be worth it in terms of felt power/enjoyment, value?
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05-12-2020, 10:59 AM | #2 |
Almost Satisfied
Join Date: Mar 2002
Location: Springfield, MO
Posts: 2,932
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Re: considering a 6.2 in my 68?
If I could have found a 6.2 I would have for sure bought it over my 6.0. I'm assuming mileage is better on the 6.2 as well? I think you will be glad you spent the extra money now. You can always get the 5.3 up in power by spending that 2k on it, but if you can swing it I would go with the bigger displacement from the start. Just my 2 cents.
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1971 C10 Stepside. LSx 6.0 with BTR Stage IV, Speed Engineering Headers, 4L80e transmission w/3200 Circle-D Stall. 3.73. Posi. Purchased this truck when I was 17. I started the rebuild (or take apart) in 1993. I have drug it around all over the country in pieces. Finally back on the road in 2021. "I can't complain, but sometimes I still do. Life's been good to me so far." |
05-12-2020, 11:01 AM | #3 |
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Join Date: Feb 2018
Location: Doland SD
Posts: 836
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Re: considering a 6.2 in my 68?
Oo. I thought your ment 6.2 diesel. Dang that would be cool.
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( second times the charm) 71 gmc c15 307 sbc 373 rear gears positrac sm 465 trans. ( not listed on spid but is original ) 94 chevy k1500 350 tbi 373 rear gears 4l60e one wheel peel. Gutless 07 gmc sierra classic rcsb 4.3 lt 5 speed w/t 04 chevy Silverado 1500 ext cab 5.3 4l60e. 81 chevy Scottsdale k10 muncie sm465 Np208 10 bolt 8.2 ( Old Green) |
05-12-2020, 11:15 AM | #4 |
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Join Date: Feb 2020
Location: Lenoir NC
Posts: 110
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Re: considering a 6.2 in my 68?
I just didn't know if there would be any issues with it fitting or using the 4l80 transmission. I'm not sure about gas mileage, i'm not that worried about that. It'll just be more of a weekend/play truck and i'm not building it to save gas. My only other concern is my truck is a stepside and i'm afraid the widest wheel I can put on it is an 8.5. Will this be enough tire for a motor that size?
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05-12-2020, 11:21 AM | #5 | |
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Join Date: Jul 2019
Location: Beebe, AR
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Re: considering a 6.2 in my 68?
Quote:
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1967 C10 1980 Jeep CJ5 2020 Toyota 4Runner 2024 Toyota Tundra |
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05-12-2020, 11:32 AM | #6 |
Almost Satisfied
Join Date: Mar 2002
Location: Springfield, MO
Posts: 2,932
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Re: considering a 6.2 in my 68?
It will fit like it was meant to be there. I have a stepper and I am running 9.5" wheels with 275's. I know a 285 will fit, but I couldn't find them in 18" size. Tires won't last long with that motor, so don't get attached to them These trucks don't have enough weight in the rear to allow a one inch wider tire to help that much when hooked to much HP.
I have the 6.0 with a 4L80. I'm not sure what issues you will run into mating them together. Check in the LS Swap section of the forum and you can find about anything you need to do one of these.
__________________
1971 C10 Stepside. LSx 6.0 with BTR Stage IV, Speed Engineering Headers, 4L80e transmission w/3200 Circle-D Stall. 3.73. Posi. Purchased this truck when I was 17. I started the rebuild (or take apart) in 1993. I have drug it around all over the country in pieces. Finally back on the road in 2021. "I can't complain, but sometimes I still do. Life's been good to me so far." |
05-12-2020, 11:41 AM | #7 | |
Registered User
Join Date: Feb 2020
Location: Lenoir NC
Posts: 110
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Re: considering a 6.2 in my 68?
Quote:
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05-12-2020, 04:36 PM | #8 |
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Join Date: Jun 2015
Location: Carlos MN
Posts: 2,132
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Re: considering a 6.2 in my 68?
I'd do the 6.2 in a heartbeat. More cubes. It will have the good L92 heads. Most had VVT and some had DOD. It's a toss up on the VVT. Some delete it some don't. Everyone seems to delete the DOD.
Texas Speed makes a nice kit to delete VVT. A small cam (225I/230E) really wakes up these engines. If it has a bunch of miles I'd compression check it and pull the timing cover and replace the oil pump and timing chain. Also if its sat for some time I would pull the injectors and have them cleaned. Good luck with your project. |
05-13-2020, 09:56 AM | #9 |
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Join Date: Nov 2001
Location: Springfield, MO
Posts: 2,939
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Re: considering a 6.2 in my 68?
What year is the 6.2?
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Dave 1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap 1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?) "A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome". "If it doesn't fit force it...If it breaks then it needed to be replaced anyway!" |
05-13-2020, 12:21 PM | #10 |
Registered User
Join Date: Feb 2020
Location: Lenoir NC
Posts: 110
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Re: considering a 6.2 in my 68?
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05-13-2020, 01:07 PM | #11 |
Senior Member
Join Date: Aug 2018
Location: Western Colorado
Posts: 1,165
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Re: considering a 6.2 in my 68?
I would go for the 6.2. I had a 2011 GMC with the 6.2 and it was a hot-running truck, kind of wish I had kept it. Aluminum block, greater displacement, much more HP (85 more) in stock form than the 5.3.
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1964 Chevy C10 - Gen IV 5.3 Restomod http://67-72chevytrucks.com/vboard/s...d.php?t=768632 1968 GMC C15 - Gen III 6.0 Restomod http://67-72chevytrucks.com/vboard/s...d.php?t=772047 1969 Chevy C10 - Restoration http://67-72chevytrucks.com/vboard/s...d.php?t=809184 1978 Chevy Scottsdale K20 1993 Chevy C1500 - 5.3/T56 swapped 2008 Silverado Duramax |
05-21-2020, 10:46 PM | #12 |
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Join Date: Feb 2020
Location: Lenoir NC
Posts: 110
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Re: considering a 6.2 in my 68?
Go big or go home right?
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05-22-2020, 09:06 AM | #13 |
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Join Date: Nov 2001
Location: Springfield, MO
Posts: 2,939
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Re: considering a 6.2 in my 68?
You wont regret it!
Dave
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Dave 1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap 1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?) "A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome". "If it doesn't fit force it...If it breaks then it needed to be replaced anyway!" |
05-22-2020, 09:31 AM | #14 |
Senior Member
Join Date: Aug 2018
Location: Western Colorado
Posts: 1,165
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Re: considering a 6.2 in my 68?
You made the right choice!
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1964 Chevy C10 - Gen IV 5.3 Restomod http://67-72chevytrucks.com/vboard/s...d.php?t=768632 1968 GMC C15 - Gen III 6.0 Restomod http://67-72chevytrucks.com/vboard/s...d.php?t=772047 1969 Chevy C10 - Restoration http://67-72chevytrucks.com/vboard/s...d.php?t=809184 1978 Chevy Scottsdale K20 1993 Chevy C1500 - 5.3/T56 swapped 2008 Silverado Duramax |
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