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#1
07-24-2007, 08:46 PM
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4.3L Vortec v6
I am looking at a Chevy Tahoe Limited Edition to purchase, since there is no Tahoe edition i'll post it here because i think its a Blazer/Tahoe Edition.
Anyway, the engine is a 4.3L Vortec v6, what does the Vortec mean? Is it dependable? Does that make it more powerful? Gas Milage? Any answers would be appreciated. 
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#3
07-28-2007, 12:03 PM
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Re: 4.3L Vortec v6
http://www.urbandictionary.com/define.php?term=VORTEC
Seems right. Sounds like you are looking at an early 90s S-10 Blazer. I know some were called Tahoes in that era.
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1998 Chevrolet Blazer LT (95% stock)  Pioneer AVH-P7500 DVD receiver 12" Alpine Type-R in a sealed box PIAA Super Plasmas GT-X bulbs PIAA Xtreme White bulbs K & N drop-in filter   "Melo" and "AI". Enough said.
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#4
07-29-2007, 09:47 AM
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Re: 4.3L Vortec v6
On first gens, the tahoe was an option for the LT trim level. heres a pic to explain the vortec name:
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2000 Chevy Blazer ZR2 Performance Mods: Numerous Suspension Mods: Some, but not enough Exterior Mods: Just Right 1987 Buick Turbo T Dark Red Low 11 sec sleeper  .030 4.1 block, PT6262E, & other odds and ends.... My Cardomain
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#6
08-16-2007, 08:46 AM
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Re: 4.3L Vortec v6
Inside the intake port, just under the intake valve, on the port wall is a spiral ramp that induces a spin in the incoming air. I've seen this on the bench by opening the intake valve .400" then spraying WD40 straight into the middle of the intake port...it actually spun past the intake valve.
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