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Camaro V6 LFX Engine, Exhaust, and Bolt-Ons For all LFX related parts

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Old 06-12-2012, 12:46 PM   #1
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LFX - 1.48HP/CI LS3 - 1.13HP/CI LFX WINS

Shhhhhh, Just for us LFX folks....For the record.....and I can't be the only one who has computed this:

The LFX puts out more power and torque per square inch of displacement than the LS3. There is no arguing that both the LLT and LFX are potent mills.

If the LS operated on the same power/CI ratio as the LFX, it would put out 557 horsepower/436fl/lbs TQ.

Of course, it does'nt...

The LFX!
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Old 06-12-2012, 12:48 PM   #2
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Watch the DI overhead cam version of the V8 when its released! It will have a ton of the design that works so well on the LFX.
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Old 06-12-2012, 01:09 PM   #3
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Watch the DI overhead cam version of the V8 when its released! It will have a ton of the design that works so well on the LFX.
Word!

Most car companies test out new features/designs on the less expensive engines before moving them up the chain. Do the same math with some of the newer N/A I4s out there and you'll see where things are really heading. Then compare them to the turbo cars and it will blow your mine. Almost all of those are above 100 HP/Liter now and going up. The Ecoboost F150 is at 120 HP/L and the LFX is "only" 90 HP/L. Can you imagine what V6's will be producing 10 years from now?
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Old 06-12-2012, 01:13 PM   #4
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You just opened a can of worms. When an LS3 owner sees this post they are going to flip out. But for the record I like my 12 LFX. The gas mileage and power are great. Drove to Florida 2 weeks ago 75 mph with an average mpg of 26.8
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Old 06-12-2012, 02:14 PM   #5
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Yup - once those DI V8s go into production in the Camaro... watch out!
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Old 06-12-2012, 02:19 PM   #6
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LS3 = 426 HP/Camaro
LFX = 323 HP/Camaro
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Old 06-12-2012, 02:37 PM   #7
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Yay for the buzz kills in the SS's
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Old 06-12-2012, 03:11 PM   #8
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Yup - once those DI V8s go into production in the Camaro... watch out!
Yeah, I can't wait to see what they will finally do. Rumors are the C7 vette will get either a 5.5 or 5.7L DI. That would be killer!
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Old 06-12-2012, 03:18 PM   #9
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Wonder how soon we will get some details on this, then mebbe we will get some DI pcm support
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Old 06-12-2012, 03:34 PM   #10
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7th.....heee, heee...I know. Hey, just saying. The numbers don't lie.

Pound for pound, the argument could be made: the LFX is a more potent engine. Some mags have gone a step farther, arguing that as a total platform/package....the V6 Camaro is a better package than the SS. Better weight distribution, power better matched to the frame/suspension, better road manners, mileage, and braking. Again.....an argument can be made........just sayin.



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Old 06-12-2012, 05:08 PM   #11
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7th.....heee, heee...I know. Hey, just saying. The numbers don't lie.

Pound for pound, the argument could be made: the LFX is a more potent engine. Some mags have gone a step farther, arguing that as a total platform/package....the V6 Camaro is a better package than the SS. Better weight distribution, power better matched to the frame/suspension, better road manners, mileage, and braking. Again.....an argument can be made........just sayin.



I wouldn't call it more potent, just more efficient.
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Old 06-12-2012, 07:34 PM   #12
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Pound for pound, the argument could be made
LFX = 323 HP / 345 LBS = ~0.9362 HP/LB
LS3 = 426 HP / 403 LBS = ~1.0571 HP/LB
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Old 06-12-2012, 10:51 PM   #13
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LFX = 323 HP / 345 LBS = ~0.9362 HP/LB
LS3 = 426 HP / 403 LBS = ~1.0571 HP/LB
are you talking about engine weight? this doesn't really make sense? don't they both have aluminum blocks and heads or something like that?

still, a 6.2L or 454 DI engine would be INSANE!!! i'm thinking something like 800-1000HP N/A at the crank for a DI 454.
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Old 06-13-2012, 05:30 AM   #14
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Mike.....come on......weight/power?

Anyone knows a V6 is simply a V8 less two holes, the weight is appropriate. The blocks are very similar in mass/volume, as one would expect. It's how well the engine MAKES power that is impressive.

It is rarely discussed here, but true, despite a beefed-up handling package, and bigger brakes, the V6 outhandles the standard packaged SS, and out-breaks/stops it as well. I'm not saying the SS doesn't kick booty, it certainly does. BTW, I have owned every generation of Camaro, save one....all 8's.

But, since every post regarding just about anything V6 contains: "I would never own a V6 Camaro", or the like......I felt like the LFX folks should know, and be proud that the car as a whole, is a very well put together package, and the numbers/stats prove that out quite consistently. We should be focussing on the fact that a car is the sum of it's parts, not just the brute force of the engine that propels it forward.

From "The Joy Of Six - Autoblog 6/99
"You see, you can make a pretty strong case that the V6 is really the better car. In fact, if you're going to drive the Camaro every day, the six-cylinder car is almost certainly the better pick. "

From Auto-Trader Review of the 2012 Camaro
"We highly recommend the Camaro V6 over its SS counterpart for a variety reasons. First off, it offers more-than-enough muscle car for most buyers. Secondly, the V6 is a near-perfect match for its chassis (as opposed to the overly powerful SS). For this reason the Camaro V6 is a better handling car. It's also more fuel efficient and affordable, making it one of the best performance values out there."

From My Car Top 2012
"Promising 323 horsepower from a six-cylinder engine in 2012, the number attached to the Chevrolet Camaro is evermore impressive in historical context. In 1967, the inline-6 powerplant found in the base Chevrolet Camaro produced a meager 140 horsepower. For the 35th anniversary year (2002 which was also the final year for the 4th generation Camaro), the 5.7 liter LS1 V-8 engine achieved 325 horsepower inside the last Chevrolet Camaro SS."

Personally, like it or not, I think the writing is on the wall. The future is going smaller CID, not bigger. And on 87, at @ $48 to fill up......I'm cool wit dat. Rock on LFX's!!
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Old 06-13-2012, 07:04 AM   #15
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are you talking about engine weight? this doesn't really make sense? don't they both have aluminum blocks and heads or something like that?

still, a 6.2L or 454 DI engine would be INSANE!!! i'm thinking something like 800-1000HP N/A at the crank for a DI 454.
Doesn't exactly scale like that, but a 454 DI motor would be very impressive. Who knows if we will ever see something that big with fuel ecomomy regulations. Maybe we'll see a pickup with that in it???
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1/8 mile -- 7.158 @ 102.10 (20psi); old build
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Old 06-13-2012, 02:51 PM   #16
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I'm digging this thread, as I own the V-6 LFX.
Seriously though, the 60 degree DOHC DI engine is really a lot more than the 90 degree OHV SS V-8 with 2 cylinders chopped off. Ford did that with its modular motors, it saved them money but was not that spectacular, the engine size/HP ratio was pretty linear as I recall.
BUT what about a 4.6-5.3 liter V-6 LFX? That would be pretty exciting I think if they get the cylinder bore/stroke length right. What I am really impressed with the LFX motor is the flat torque curve, and "area under the curve". It almost reaches peak torque at a very low rpm. Torque makes the car easy and fun to drive around town, and we still have that magic 4500-6800 things get exciting HP range. I really dig this car. That said, if I won the lottery an SS or more likely ZL1 would be in the driveway tomorrow. My daughter could have my car, the wife an SS and a ZL1 for me. Also, without a manual I would not like the car as much. The manual is a key part of my driving experience.
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Old 06-13-2012, 08:06 PM   #17
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Doesn't exactly scale like that, but a 454 DI motor would be very impressive. Who knows if we will ever see something that big with fuel ecomomy regulations. Maybe we'll see a pickup with that in it???
well, if the current chevy 454 motor makes 650HP, a DI version making 800HP doesn't sound so out of reach to me...but then again, i'm pretty sure the particular motor on the website i was checking out had porting and other mods done to it.

back on topic, I LOVE my LFX engine in my camaro. i like being able to give it a bit of throttle at 2K RPMs and being able to accelerate quickly. in my mazda 3, unless you were at 4K+ RPMs, you weren't able to accelerate fast at all, and even at the peak power, it's still nothing compared to what i get in the camaro.
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