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Thread: 4.3 v6
12-09-2013, 11:59 AM #1
So i know im probably late chiming in on this, but...
for the first time in 15 years, GM FINALLY improved the 4.3 V6!
from 1999-2013, it has always been 194 HP and 260 ft/lbs of torque, never changed in 14 years....
so i finally noticed the new 2014 4.3 has an output of 285 HP and 305 ft/lbs of torque! wish my v6 had those numbers...2000 Chevrolet Silverado
4.3L V6, 4L60E, 2WD, Single Cab
Poweraid TB Spacer
Flowmaster 10-series exhaust (dumped)
Edge CS insight monitor
LS-1 Dual Electric fans
Corvette tranny servo swap
Head Unit: Alpine
Speakers: Alpine SPR-60C 6.5" component set, 4X6 Infinity Kappas
Subs: 2-12" Kicker CVT's
Amps: Alpine-M1000 (subs), Alpine MRX-F65 (Speakers)
305/70R16 NITTO Terra Grapplers
16" PROCOMP 7089's
2" leveling kit
3" Fabtech Spindle Lift Kit
Front/Rear-Bilstein 5100 shocks
35W HID Low Beams
RECON LED smoked roof cab lights
HELLA LED taillights and 3rd brakelight
HELLA FF-75 Aux. Reverse Lamps
RIGID dually D2, flush mount, wide beam
Hawk HPS Brake pads
Russell braided steel brake lines
Powerstop-red powdercoated brake calipers
Powerslot Cryo brake rotors
EGR in-channel window visors
12-09-2013, 12:50 PM #2
They had to do something to compete with the EcoBoost. Not really close to EcoBoost numbers but it does have more power than my 4.8L V-8.Clint (TX) 2001 Silverado LS 4.8L auto 2wd ECSB [GARAGE]
Gasoline or gunpowder: If you ain't burning one, you ain't having fun!
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12-09-2013, 03:27 PM #3
Sounds impressive. I wonder what they changed/added/modified, etc. to get those numbers?
12-09-2013, 04:15 PM #4
Like Sierra’s optional 5.3L and 6.2L EcoTec3 V-8 engines, the new V-6 features three state-of-the-art technologies – direct injection, active fuel management (cylinder deactivation) and continuously variable valve timing – that have been proven and perfected through 6 million hours of computational analysis by engineers studying the combustion process. In all, 10 million CPU hours were spent refining and making the most of the Sierra’s EcoTec3 engines.
.Although they share only a handful of parts with previous Sierra engines, the new EcoTec3 V-6 builds on experience gained from millions of trucks and billions of real-world customer miles resulting from a half-century of leadership in V-6 engine development.
Sounds like an almost new engine to meRay
'09 Avalanche LTZ - Black
'05 Envoy XL (sold)
Goldie thanked for this post12-09-2013, 07:14 PM #5
well its about freakin time!, i wonder why it took 14 years to update and engine... I guess GM's 4.3L V6 wasnt a top priority, i mean every year the V8's were getting more and more powerful, but they never did anything to the v6.
also, if you look at the 2014 build and price option, the single/extended/and crew cab models all start out with the 4.3 v6 from the factory, you gotta build from there
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