07-28-2008, 06:38 PM | #127 |
Drives: 95 civic Join Date: Apr 2008
Location: Chicago Illinois
Posts: 5,796
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cause if i got a v8 my insurance would be alot plus i do not need 400 horses 300 is good
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07-28-2008, 06:43 PM | #128 | |
Drives: 2014 Mustang Join Date: Apr 2007
Location: Conroe, Texas
Posts: 642
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07-28-2008, 07:21 PM | #129 | |
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It's great that you're using reason and practicality to help make your decision.
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Removing weight has surprisingly little effect on fuel economy
Engine break-in procedure | Gear ratios 2002 GMC Sierra 4x4 5.3 (190,000 miles and going strong) 1980 Buick Lesabre family heirloom with 36,000 miles 2008 Volkswagen Rabbit 2 door I5-2.5 5spd DD lease Quote:
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07-28-2008, 07:53 PM | #130 |
Drives: 2005 Chevrolet Cobalt LS Join Date: Jan 2008
Location: Indiana
Posts: 141
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07-28-2008, 08:09 PM | #131 | |
THE GoldMember
Drives: '92 Pathfinder A.K.A The BEAST Join Date: Mar 2008
Location: Glendale, CA
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SUPERCHARGER.
nough said.
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So the Goldmember has spoken, So shall it be done.
_________________________________________________ AUGUST 2009 AURORA HITSS THE SSTREETSS!!!!! ~MY SSCHEME: BLACK W/GOLD BUMPER 2 BUMPER Z-28 SSTRIPESS.~ ^In the wise words of Pink, "NO NOT MUSTANG GOLD" Forget a automatic, a MUSCLE car needs STICK! To bad I'm getting auto Quote:
May The Beast Rest In Peace. For Now. |
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07-28-2008, 08:27 PM | #132 | |
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I seriously doubt that GM's engineers are so incompetent that they've put a 40hp bottleneck in the intake and exhaust. Perhaps an intake and exhaust would be necessary to get that 40hp after other modifications that would produce more power.
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Removing weight has surprisingly little effect on fuel economy
Engine break-in procedure | Gear ratios 2002 GMC Sierra 4x4 5.3 (190,000 miles and going strong) 1980 Buick Lesabre family heirloom with 36,000 miles 2008 Volkswagen Rabbit 2 door I5-2.5 5spd DD lease Quote:
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07-28-2008, 08:47 PM | #133 | |
Drives: 2005 Chevrolet Cobalt LS Join Date: Jan 2008
Location: Indiana
Posts: 141
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07-29-2008, 07:50 AM | #134 | ||
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I wonder why they designed it that way? Noise? Cost? I take back what I said about incompetence; that was short-sighted of me, I forgot to consider that they need to design a compromise to please everyone instead of concentrating on a few specific qualities.
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Removing weight has surprisingly little effect on fuel economy
Engine break-in procedure | Gear ratios 2002 GMC Sierra 4x4 5.3 (190,000 miles and going strong) 1980 Buick Lesabre family heirloom with 36,000 miles 2008 Volkswagen Rabbit 2 door I5-2.5 5spd DD lease Quote:
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07-29-2008, 09:36 AM | #135 |
Keeper of the Faith
Drives: 2001 Z28 Agressively Join Date: Apr 2008
Location: Rosenberg,Texas
Posts: 1,383
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bottleneck..detuning...whatever you want to call it.
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07-29-2008, 10:02 AM | #136 | |
Drives: 2005 Chevrolet Cobalt LS Join Date: Jan 2008
Location: Indiana
Posts: 141
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Well, in THIS case, I would consider it detuning. Just because GM could have went all out and given this thing 400hp as opposed to 300hp, doesn't mean they should. Giving it 300hp keeps the price reasonable. I consider bottlenecks to be major flaws in engine design that restricts power output and reduces the potency of the engine, which doesn't seem to be the case here. Restrictions from a stock intake DUCT and exhaust are negligible. Restrictions in the intake manifold(s) and heads are bigger issues. |
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07-29-2008, 01:17 PM | #137 |
Does not have a Camaro
Drives: 99 silverado Z71/66 Chevelle SS Join Date: Apr 2008
Location: Long Island, NY
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yea there is about 13% drivetrain loss, so 31 rwhp is about 40 at the crank. That's pretty good for an automatic!
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07-29-2008, 01:23 PM | #138 | |
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That math is broken. 13% of 40 is 5.2. Loss would have to be 22% for the rest of those numbers to work.
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Removing weight has surprisingly little effect on fuel economy
Engine break-in procedure | Gear ratios 2002 GMC Sierra 4x4 5.3 (190,000 miles and going strong) 1980 Buick Lesabre family heirloom with 36,000 miles 2008 Volkswagen Rabbit 2 door I5-2.5 5spd DD lease Quote:
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07-29-2008, 02:10 PM | #139 |
Does not have a Camaro
Drives: 99 silverado Z71/66 Chevelle SS Join Date: Apr 2008
Location: Long Island, NY
Posts: 469
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i did it this way. Based on the numbers they got from the dyno, stock they made 263 RWHP. The engine is rated at 304 BHP so thats a loss of 41 Hp from the crank to the wheels. 41/304 is 0.134868421... so thats 13.4% loss no? maybe I'm using the wrong formula.
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07-29-2008, 02:23 PM | #140 | |
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That sounds right...and it means that another number was broken. With a 13% loss, 31rwhp would be 36bhp, I think.
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Removing weight has surprisingly little effect on fuel economy
Engine break-in procedure | Gear ratios 2002 GMC Sierra 4x4 5.3 (190,000 miles and going strong) 1980 Buick Lesabre family heirloom with 36,000 miles 2008 Volkswagen Rabbit 2 door I5-2.5 5spd DD lease Quote:
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