Question about the 4.3 Chevy... - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-15-2005, 11:00 AM   #1
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Default Question about the 4.3 Chevy...

I might be ridding myself of the Bonneville'* repair problems soon, and my grandpa'* got a '93 GMC 1500 that he doesn't use anymore, really. I was wondering if anyone'* got knowledge of mods/addons/etc that I could sink into this thing, considering that I wouldn't be paying for it.

So far as I know, it'* the same engine as in the Blazer (4.3L V6). And it'* a manual tranny, so no worries about that.
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Old 02-15-2005, 11:02 AM   #2
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Well ill tell ya this from experience...43.V6 in a 1500 is going to be underpowered to al hell. If you have anything heavy in the bed of it, its going to be a drastic chance on gas mileage, and as for towing, your looking at light towing.
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Old 02-15-2005, 11:03 AM   #3
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The 4.3'* are freaking tanks. They are the textbook definition of a workhorse. The 4.3 is insanely reliable.


I don't know the compression on those engines, but depending on what it is, they respond well to turbos. Look at the GMC Syclone ...
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Old 02-15-2005, 11:04 AM   #4
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Yeah, my friend has a '94 Chevy 1500 with the 4.3... It just plain sucks... gets nearly the same mileage that my dad gets with his '94 Chevy 1500 with a 350. The 4.3 works fine in a blazer, but in a full size... nuh uh.
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Old 02-15-2005, 11:09 AM   #5
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Poopy.

The weird thing is that I can barely find anything online about them. KBB.com has something, but as far as Google references go, I can't find more than a page or 3 of results on the 1500.
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Old 02-15-2005, 11:12 AM   #6
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I'm with Sol on this one. The 4.3 Chevy engines are rock solid. They might not be the strongest thing in the world, but if you're looking for a light work horse that'* damn reliable, then look no further. There are lots of guys who go well over 250K on those engines.

I belong to this forum:

http://67-72chevytrucks.com/vboard/f...?*=&forumid=12

You can get a lot more information on the 4.3s here.
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Old 02-15-2005, 11:13 AM   #7
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Thanks, man, I'll check that out.
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Old 02-15-2005, 11:34 AM   #8
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4.3 in a truck if you dont want to tow, or haul anything in the bed. In a blazer, they are a horse, but in a full size truck, no they arnt.
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Old 02-15-2005, 11:35 AM   #9
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Add more cylinders to it A good Carb'd LT1 would be pretty cheap...
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Old 02-16-2005, 01:42 AM   #10
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