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02-25-2020, 07:44 PM | #1 |
Registered User
Join Date: Jul 2017
Location: Greensboro, Georgia
Posts: 40
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4.8 setup with 4L60 and 4.10 gears
My truck has 4.10 gears with a Yukon locker. I have a 4.8 and 4l60 to power it with. Looking for opinions on how to add power to the 4.8.
My first thought was since it has 4.10s I could add a good cam and tune to make great top end power to 7000 and let the 4.10s help on the low end. The other option would be leave the engine stock and put a turbo on it and tune it to 425hp or so by limiting the boost and tuning. I’m aware that turbos and 4.10s aren’t particularly suited for each other and you don’t get max potential out of the turbo with such numerically high gearing, but it would be fun. I am also aware that 4l60s don’t like big HP. I think it will be fine with under 450 and I could always swap to an 80 if it goes out. School me. Give me options. I want to keep the 4.10s. They are in good shape and are what came in the truck.
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1968 C10 2WD LONG BED |
02-25-2020, 09:12 PM | #2 |
Post Whore
Join Date: May 2015
Location: Alabama
Posts: 14,671
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Re: 4.8 setup with 4L60 and 4.10 gears
The tuner I use put a 4.8 in a monte carlo..he put a LS3 top end on it..small cam, and headers...said it turned out around 425hp
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
02-26-2020, 06:20 PM | #3 |
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Join Date: Jun 2015
Location: Carlos MN
Posts: 2,132
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Re: 4.8 setup with 4L60 and 4.10 gears
I don't think you can put LS3 heads on a 4.8. The 4.8 cylinders are too small for the big valves in the LS3 heads. Check over on LS1 tech.
You could bolt on a set of ported LS6 heads and a small cam along with headers. Just be careful with boost with stock 4.8 pistons. They are cast not forged. |
02-26-2020, 06:23 PM | #4 |
Post Whore
Join Date: May 2015
Location: Alabama
Posts: 14,671
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Re: 4.8 setup with 4L60 and 4.10 gears
I don't know personally if the LS3 stuff will work...just what I was told...I know the intake looked like my LS3 one does
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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