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#1 |
![]() ![]() Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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I ran across a couple SBC videos of engines claiming to be 500+ hp, and thought it would be interesting to compare to an LT5, just for fun...
http://www.youtube.com/watch?v=05Tc7...eature=related http://www.youtube.com/watch?v=StCV0qYdqxU&NR=1 And my 508 hp LT5 http://www.youtube.com/watch?v=y1YFa8ruh8A Makes for an interesting comparison, I thought. Took her out to stretch her legs a bit today. Geeeze but that 19 degree air sure makes some wicked hp! Course, the tires didn't grip for crap - no surprise there, I guess. Happy new year! May your mods go smooth - and long live the King! Is it spring yet?? P.
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Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry |
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#2 |
Join Date: May 2005
Location: Leesburg, VA
Posts: 2,713
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HP/displacement is a ricer argument, in my opinion. No offense is meant by that, it's just that it is a meaningless metric. Displacement doesn't reflect physical size, fuel consumption, or anything really particularly important.
That said, if you want a 400+whp C4 that drives and idles smooth as silk, there is no doubt an LT5 is a great starting point.
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Bob Saveland Former owner of #2517 [IMG]http://a.random-image.net/aurora40/vette.jpg[/img] |
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#3 | |
Join Date: Apr 2010
Location: O'Fallon, Mo
Posts: 738
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Choice is a flavor. Some want lumpy cams, big carbs to make power, some a power adder, others a big block punched way out, and still others a quad cam v-8. None of this changes the fact that it is apples to oranges. It is however a perfect example of two different paths to the same goal, and each can make their own personal argument on why theirs is better to THEM. |
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#4 | |
Join Date: May 2005
Location: Leesburg, VA
Posts: 2,713
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It isn't a metric that has any real world significance.
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Bob Saveland Former owner of #2517 [IMG]http://a.random-image.net/aurora40/vette.jpg[/img] |
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#5 | |
Join Date: Apr 2010
Location: O'Fallon, Mo
Posts: 738
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My only point is that people build different cars for different reasons. While others may not be able to see the logic behind their build, they do. An example of this is any car that I build has to have the ability to easily make a cross country trip at a moments notice, while leaving me with all the creature comforts and acceptable fuel economy. My next door neighbor has a 469 bbb chevelle (I think that is waht he said it is stroked to), with a hug cam, manual brakes, manual steering, no air, etc. His car dyno's at 750 ish hp, while I have 3 cars that exceed that, and still meet my criteria. He wouldn't build a car similar to mine, nor would I build a car like his. Each have their place, just not in the others world. I will however say the rice card is almost as overplayed anymore as the race card, just mho. |
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#6 | |
![]() ![]() Join Date: Jun 2005
Location: pittsburgh
Posts: 4,632
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It's not the car, it's the people - Doug Johnson 90 r/r "KEYS ON" nick named "T.L.B" |
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#7 |
![]() ![]() Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
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Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry |
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#8 |
Join Date: Apr 2010
Location: O'Fallon, Mo
Posts: 738
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The point wasn't missed.
You went on in a post after Franks talking about drivability. The definition of that is going to be based upon a persons own goals, not someone elses. There are many 500 hp pushrod engines that don't idle like the examples shown. |
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#9 |
Join Date: May 2005
Location: Leesburg, VA
Posts: 2,713
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I don't know if you mean shelving the LT5, or shelving the premium V8?
Shelving the LT5, it sounds like that may have been the right move for the base Corvette. It's too bad they didn't at least build the '95 engine and have the C4 go out with a huge bang. I think shelving the premium V8 is a really poor move. I've no idea what Cadillac expects to sell car-wise besides CTS's in the future. With no premium V8, they really will be at a loss in the large lux car market. At this point, even Hyundai has a DOHC V8, and it makes 430hp to boot. GM had really neglected the Northstar along the way, so it was probably a huge endeavor to update it. Back in 1992, it made 295hp. By the last redesign, 14 years later, it was only up to 330.
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Bob Saveland Former owner of #2517 [IMG]http://a.random-image.net/aurora40/vette.jpg[/img] |
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#10 |
![]() Join Date: Dec 2003
Location: Chicagoland,IL
Posts: 2,679
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To add a couple of things.
The LT5 is about 30 year old technology and with some of todays technics and tricks we see LT5's potential we get up to 450 whp with stock cams very docile N/A on todays crappy pump gas. Today they do it with 77 more cubes. Not too shaby for a 30 year old motor. HP can be made in all sorts of ways and if raw HP is your game bring some CA$H. Now some of my thoughts, power adders are doing it the easy way it's like "Power for Dummies" book is coming out soon LOL Also street cars use crappy pump gas, cars that use race gas are just that race cars. "Show me on 87 octane",i'm from Missouri ![]() Now lets take the turbo/power adders out use crappy pump gas again "show me" ![]() I need to move to Missouri. My new motto "10's on 87" ![]() Pete
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'91 #1635 PoloGreen 350 LT5 11.09 @ 129.27 11.04 @ 128.86 474RWHP 400RWTQ http://www.youtube.com/watch?v=SFNFOhGGlR4 http://www.youtube.com/watch?v=ZlRIOMwaDYY https://sites.google.com/site/peteszr1garage |
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