03-18-2013, 03:30 PM | #43 | |
Drives: 2016 Mazda6, 2011 Mustang 5.0 Join Date: Mar 2010
Location: Portage, Wisconsin
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Quote:
And yes, some newer diesels may have "throttles" but the purpose and workings is different (mainly for emissions...also having a way to close off the intake in the rare event of a runaway, too). They are still not "throttled" in the same sense that a gas engine is, and it is not strictly necessary to have one for a diesel to work. A diesel's air/fuel ratio range is large, with power determined more by how much fuel is put in alone (up to an upper limit depending on the available quantity of air), where with gas, the fuel has to be carefully metered to stay fairly close to its 14.7 ratio, so power is more strictly controlled by the amount of air allowed in, as that more closely determines how much fuel can be mixed in.
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03-18-2013, 03:43 PM | #44 |
Cajun Mariner
Drives: 10 Camaro SS/RS 15 Camaro Z/82 AGM Join Date: Mar 2010
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Interesting discussion!
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03-18-2013, 05:59 PM | #45 | |
Drives: 13' 1LE Join Date: Apr 2012
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Quote:
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13' 1LE
Old setup: TSP 231-236/Tick 660/.105 PR, UDP, SW LT 2'' & HFC, stock NPP & H pipe, VR-DRX CAI, air scoop, Goertz1 manifold, 102mm BBK, 26" Toyo DRs, Forgestars R17x10 & F18x8, rear seat delete, remote Pat G tune Autocal, 7400 limiter, Spec Mini Twin. 91oct. 11.90@122.3, 0-60ft 2.0 / 11.99@123.6, 0-60ft 2.1 DA+819 ...519RWHP SAE Solid roller SBE LS3, FED, LLSR, 91oct, 605rwhp N/A. Tuned by Pat G. Build by me. |
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03-18-2013, 06:43 PM | #46 |
Drives: 2002 Z/28,1968 Chevelle convert. Join Date: Oct 2010
Location: Phila.,PA
Posts: 1,141
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I would be happy with a H.O. 5.3L in the range of 390-410HP if the 6th Gen weighed in at around 3300-3400lbs........
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03-18-2013, 08:18 PM | #47 | |
I used to be Dragoneye...
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Isn't the pushrod engine a newer design than the OHC? I challenge you to put GM's dinosaur pushrod against anything else on the market in terms of weight, power, and efficiency. There's a reason they're not pulling away from the tried-and-true design. |
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03-18-2013, 09:51 PM | #48 | |
Drives: . Join Date: Jan 2013
Location: Southern California
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Michael |
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03-19-2013, 01:00 PM | #49 | |
Downright Upright
Drives: Daily Join Date: Apr 2009
Location: Cruisin'...
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BTW, a 3.99" bore and the 4.8's 3.268" stroke has you @ 5.3L...and that dimension easily supports 2.05/1.59 valves...with a greater redline than the longer-stroke 6.2. And VVT "adjusts" the torque... Last edited by LOWDOWN; 03-19-2013 at 01:43 PM. |
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03-19-2013, 03:39 PM | #50 |
Lining Up!
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Yes the push rod engine is a newer design then a ohc, also the v8 came long before 1961 when buddy was born lol
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03-19-2013, 03:54 PM | #51 | |
Drives: 2010 2SS RS LS3 Join Date: Nov 2009
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Quote:
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2SS RS bone stock for now...
Last edited by revychevy; 03-19-2013 at 03:57 PM. Reason: ( |
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03-19-2013, 11:44 PM | #52 |
Drives: 13' 1LE Join Date: Apr 2012
Location: Canada
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I would not be happy with that, because the Ford Coyote pumps out 420hp with 5.0liter...
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13' 1LE
Old setup: TSP 231-236/Tick 660/.105 PR, UDP, SW LT 2'' & HFC, stock NPP & H pipe, VR-DRX CAI, air scoop, Goertz1 manifold, 102mm BBK, 26" Toyo DRs, Forgestars R17x10 & F18x8, rear seat delete, remote Pat G tune Autocal, 7400 limiter, Spec Mini Twin. 91oct. 11.90@122.3, 0-60ft 2.0 / 11.99@123.6, 0-60ft 2.1 DA+819 ...519RWHP SAE Solid roller SBE LS3, FED, LLSR, 91oct, 605rwhp N/A. Tuned by Pat G. Build by me. |
03-20-2013, 12:47 AM | #53 |
Est.1775
Drives: '15 Challenger Hellcat (sold) Join Date: Sep 2009
Location: SoCal
Posts: 5,502
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Out of all that I got owners of the Corvette are generally 40 years old or higher. Guess ill be getting a C8 when my time comes.
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03-20-2013, 04:04 AM | #54 |
Drives: 99z28 with bolt-ons and a mwc fab 9 Join Date: Jul 2012
Location: Florida
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Yes but that's the only v8 they offer as where this would be the base v8 option sorta like the 305 of the 3rd gens and the 6.2 would be the 350 and make a lot more power then the 5.0.(atleast for now) I think a 1ss with a 5.3 and more mpg friendly gears at a lower cost would help sales and then allow the 2ss to be offered with the big boy 6.2 at a higher cost and better gearing.
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03-20-2013, 09:34 AM | #55 |
Downright Upright
Drives: Daily Join Date: Apr 2009
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Something to keep in mind when comparing Coyotes to other critters is the physical size of Ford's OHC V8s...much larger in width and height than the SBC. Weighs more, too.
So now you run into packaging issues. More boiler room required. Cowl height and frontal area issues. And don't forget a Lincoln 4-dr is supposed to share the next-Gen Stang chassis, too. If so, Lincoln will have input as to body-chassis structure and specs, just as Cadillac has with the Alpha derivatives. There's an opportunity for GM to create a Gen-6 Camaro that, for once in a long-long time, is the same size or even smaller/lighter than the next-Gen Stang...and the physical size of the SBC plays a part in that overall physicality. |
03-20-2013, 10:10 AM | #56 |
Drives: '10 CGM 2SS/RS 6M Join Date: Oct 2009
Location: North Central Florida
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I think a 1ss with a 5.3 and more mpg friendly gears at a lower cost would help sales and then allow the 2ss to be offered with the big boy 6.2 at a higher cost and better gearing.[/QUOTE]
yep, this has been part of my point..if they can get those HP ratings out of a smaller displaced engine, they can get better MPG's with it and in turn, keep the super high, even supercharged beasts in the line-up. But Honestly with less rotating mass, the 5.3L will rev quicker, will have comparable power and the 6th gen will weigh less thus making an awesome track car..with good MPG's LOL |
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