08-27-2012, 08:23 PM | #43 | |
Drives: 2004 Pontiac Grand Prix Join Date: Oct 2010
Location: Lomita,CA
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This is just a rough est. as to what I think a Gen V 5.0L SBC would produce based off of what the LS3 makes and est. on gains for direct injection and VVT. LS3 makes 70BHP/L so if it was in 5.0L form it would produce 351BHP. GMs old 3.6L V-6 (VVT but no direct injection) produced 263BHP, currently the 3.6L with direct injection (in same application in CTS) produces 318BHP. the 263BHP version produced 73BHP/L and the new engine makes 88BHP/L. A gain of 15BHP/L or 21% in peak output, if you applied that same 21% to the LS3 and down size it to 5.0L then well. If you added 21% to the LS3 then it would produce 528BHP (which is going to be hard for some to believe). That would be 85BHP/L (an increase of 15BHP/L) and in 5.0L form would make 425BHP. Though we have yet to get into what would VVT add to the SBC, however that comes down to what type of system. If its the GM cam phaser on the camshaft then gains in the past for said system has been about 10%. However if its the concentric camshaft VVT system then gains would be high though how much higher is unknown. Just working on the 10% increase in our 5.0L 425BHP V-8 engine would give us 467BHP out of our 5.0L engine. Though this is all pure speculation.... |
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08-27-2012, 10:53 PM | #44 | |
Drives: 2011 Camaro SS Join Date: May 2012
Location: Cloud City
Posts: 13
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Anyone have a link to the article about the current motor running in the LeMan's GT2 Corvette's? Well if my memory serves, its running a (granted race spec only) 5.5L. Now thats all well and good but I remember them mentioning it was producing 440hp, and that it was the next gen engine. They also mentioned the 6.2L would be returning... So I don't see a 5.0L making 467hp..... That being said, we don't know what GM might pull off. And the motor I'm referring to might not be a DI motor....Maybe an inbetween... I mean...If Ferrari can product 560hp from a 4.5L, and if McLaren can produce 612hp from a (TT) 3.8L .....Who's to say what is possible?
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08-28-2012, 10:24 AM | #45 | |
Drives: 2004 Pontiac Grand Prix Join Date: Oct 2010
Location: Lomita,CA
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I have yet to read any mention from GM or a GM source that states there will be a 5.5L production engine. At the same time, engines are tuned with a goal in mind and if 440BHP is the goal for a 5.5L engine that doesn't mean you can't make more from that engine. Though I did read that the 6.2L engine size would return, though what engine sizes are produced from the factory for the 5th generation engine we won't know until they are produced. Though its 100% certain that the after market will produce 7.0L 5th generation engines.... |
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08-28-2012, 11:45 AM | #46 |
Drives: 2015 SS 1LE Red Hot, 1970 Chevelle Join Date: Apr 2012
Location: Chino, CA
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Must be slow to put a month old thread with no updates on the home page.
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08-28-2012, 03:03 PM | #47 |
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Welcome back to the mid 70's through the 80's. Smaller motors, less power, more fuel efficiency. Glad I bought a 2010, "1969" Camaro so to speak, while muscle was still available in a new car just like in the late 60's to early 70's.
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08-28-2012, 10:18 PM | #48 | ||
Drives: 2010 Camaro IBM 2LT/RS M6 Join Date: Sep 2009
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08-28-2012, 11:48 PM | #49 |
Drives: 2004 Pontiac Grand Prix Join Date: Oct 2010
Location: Lomita,CA
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the only difference is, more horsepower, better fuel economy, and reduced emissions which the more horsepower part didn't happen in the 70s.
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08-29-2012, 01:25 AM | #50 |
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