83 stepside

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rusted nuts

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Jeffrey
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1979
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k20
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4cly diesel
Welcome from Far West Pa.
 

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TotalyHucked

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Zach
Truck Year
1985
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Sierra 1500
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5.3
Very nice! Welcome, a later NV3500 would probably be the best choice to go 5-speed if you're keeping it a mild engine
 

410 John

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HdG, Maryland
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John
Truck Year
1983
Truck Model
C10
Engine Size
350 4bbl 4 speed
Still waiting on the title from the estate.
Daily 2002 Tahoe in the background.
 

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410 John

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John
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1983
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C10
Engine Size
350 4bbl 4 speed
I drove my truck around some yesterday. First day on the road, since I acquired it. I actually drove way back in the the 80’s when it was near new. Anyhow, now it’s mine.
Things to change list:
Lose the glass packs. I want the chambered sound
Remove the truck 4 speed. Switch to car style manual
Gear maybe, I’m pretty sure it has 2.73’s. A better trans may make these feel more fun. If not maybe 3.42’s?
 

Ken B

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indiana
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ken
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81
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c10
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250
Good looking stepside
 

TotalyHucked

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5.3
Definitely need a different trans, even more-so if you have the SM465. The overdrive 833 wouldn't really be any better, our R&D guy at work has one in his '67 Satellite with a mild 360 in front of it and it's a dog. A T5 would be ok if you get a V8 or World Class one and don't drive it like a maniac. I've had 3 Mustangs with the T5 or T45 version and beat the snot out of them, they were fine. A truck is heavier, that's what would eventually hurt a T5.

I'd say an NV3500 or an AR5 would be a better budget choice. Or if you can swing it, one of the new Tremec TKX's would be killer. For a gear swap, keep in mind your tire size too, a 3.42 would be great but if you plan to do 20s with a taller tire, I'd step up to a 3.73.
 

410 John

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John
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1983
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C10
Engine Size
350 4bbl 4 speed
20’s are probably not on the horizon. I was just thinking of a regular car Saginaw 4 speed. I would lose the hanger bearing and have a driveshaft made.
I looked up trans gear ratios and this 2nd is lower than most regular firsts. I do understand that this 2nd is what you use as 1st most of the time.
 

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