Speed Inc - C7 results
Team Owner
Joined: Sep 1999
Posts: 41,732
Likes: 1,718
From: Springfield MO
Safety Car
Joined: Oct 2007
Posts: 3,987
Likes: 20
From: Miami Fl.
St. Jude Donor '09
(answer is yes btw) But what was ur point??
Safety Car
Joined: Oct 2007
Posts: 3,987
Likes: 20
From: Miami Fl.
St. Jude Donor '09
Still about 3 cars faster to 160mph than a stock c6z.
Drifting
Joined: Dec 2009
Posts: 1,404
Likes: 7
From: Malverne New York
Wow. So with the LS7, CAI, long tubes, and tune will turn the crank hp figure to the rwhp figure, AND THEN SOME! Bolt on's have yet to do this with the C7. It would be awesome to hit the 500 rwhp mark with the C7 with only bolt-ons.
Safety Car
Joined: Oct 2007
Posts: 3,987
Likes: 20
From: Miami Fl.
St. Jude Donor '09
Those heads get it done with a decent cam that dont rock the fillings lose!
Drifting
Joined: Dec 2009
Posts: 1,404
Likes: 7
From: Malverne New York
Damn regulations...
Safety Car
Joined: Oct 2007
Posts: 3,987
Likes: 20
From: Miami Fl.
St. Jude Donor '09
But the trends now is FI and that is exactly what the engineers had in mind when they built the LT1 let alone the LT4.
I'm still very fond of the LS7. Naturally aspirated, besides the Viper V-10 and the recent stuff from Ferrari and Mbenz, you'll be hard pressed fine a NA engine when tweeked by the aftermarket make the kind of power the LS7 can.
600rwhp on pump with a cam that can be HONESTLY driven everyday is impressive in my book. Nothing crazy there, just off the shelf parts and standard tuning. In a c6 z06 thats a looooow 10 sec. car @ 137-140mph if not a 9.xx car.
On pump, no power-adders, still getting 26-27mpg+++ on the highway. In stock trim my cars would average 29-30mpg on the highway going 70-80mph.
Which leads to me wonder what a DI LS7 would do when the aftermarket gets its hands on it.
Drifting
Joined: Dec 2009
Posts: 1,404
Likes: 7
From: Malverne New York
Well, it's easier to make big power with Fi now. Also, the ls7 though a beast of an engine had its issues, year after year. I don't think there was a production year that didn't have something going on that could catastrophically kill it.
But the trends now is FI and that is exactly what the engineers had in mind when they built the LT1 let alone the LT4.
I'm still very fond of the LS7. Naturally aspirated, besides the Viper V-10 and the recent stuff from Ferrari and Mbenz, you'll be hard pressed fine a NA engine when tweeked by the aftermarket make the kind of power the LS7 can.
600rwhp on pump with a cam that can be HONESTLY driven everyday is impressive in my book. Nothing crazy there, just off the shelf parts and standard tuning. In a c6 z06 thats a looooow 10 sec. car @ 137-140mph if not a 9.xx car.
On pump, no power-adders, still getting 26-27mpg+++ on the highway. In stock trim my cars would average 29-30mpg on the highway going 70-80mph.
Which leads to me wonder what a DI LS7 would do when the aftermarket gets its hands on it.
But the trends now is FI and that is exactly what the engineers had in mind when they built the LT1 let alone the LT4.
I'm still very fond of the LS7. Naturally aspirated, besides the Viper V-10 and the recent stuff from Ferrari and Mbenz, you'll be hard pressed fine a NA engine when tweeked by the aftermarket make the kind of power the LS7 can.
600rwhp on pump with a cam that can be HONESTLY driven everyday is impressive in my book. Nothing crazy there, just off the shelf parts and standard tuning. In a c6 z06 thats a looooow 10 sec. car @ 137-140mph if not a 9.xx car.
On pump, no power-adders, still getting 26-27mpg+++ on the highway. In stock trim my cars would average 29-30mpg on the highway going 70-80mph.
Which leads to me wonder what a DI LS7 would do when the aftermarket gets its hands on it.
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Team Owner
Joined: Sep 1999
Posts: 41,732
Likes: 1,718
From: Springfield MO
LG motorsports is a highly respected shop. That's why I chose to use one of their graphs. If you don't want to look at the peak 511 HP, then look at the gain of 56 horsepower. Then look at the gain in horsepower with the same mods(Headers, CAI and tune) to the LT1.
Team Owner
Joined: Sep 1999
Posts: 41,732
Likes: 1,718
From: Springfield MO
You wanted to compare to the LS7, and my point was to compare either stock to stock or mods to mods.
440 is low for a LS7. My Z06 with stock intake, stock exhaust, but with a set of new PRC heads(and not performance tuned) put out 469 HP on a dynoJet. Of course the heads helped my horsepower but I didn't want it tuned, other than to adjust for the heads at idle. Maybe 5-8 HP with the heads. I could have picked up 15 horsepower minimum with nothing but a mild performance tune on my stock LS7.
Then throw in a cam on a Ls7 and compare to your statement "Even with a cam-only these new engines are pumping out 500rwhp++... again ls7 territory." LS7's with headers, CAI and a cam are putting out a lot more than 500 HP , more like 550.
Advanced
Joined: Nov 2013
Posts: 88
Likes: 0
I don't think the point was to say this platform is the equivalent of the LS7 platform. Everyone knows it is not. These comparisons always seem to get into the "oh yeah, well put the same mods on" comparison. But when it's acknowledged that everything isn't equal, I think it's valid to compare modded to stock, etc. Shooting for a stock X or a bolt-on X gives you a target. That's all I believe is going on.
Safety Car
Joined: Oct 2007
Posts: 3,987
Likes: 20
From: Miami Fl.
St. Jude Donor '09
josec5: I dont want to trash speed inc's thread but....
Please dont confuse me for one of the other guys on this board. I know exactly what a ls7 is capable of. Ive owned two c6z's and raced them constantly.
With that, there is no question the ls7 and lt1 arent really comparable imo HOWEVER GM/Chevy thinks they are. so....
1. 440rwhp is NOT low for a stock ls7. That is the norm. Anything above that is either a happy dyno, std cor. or sa smoothing 1 or a combination of both. Ive had my cars dynod plenty of times to colaborate those claims.
2. No doubt with a cam or even heads the ls7 will produce a number around 550rwhp or more. However did you see the results from New Era??
Stock intake, shorty headers, VVt-cam (afm deleted) It made 512rwhp sae smoothing 5.
Question.... when was the last time you saw a ls3 hit 500rwhp+ cam only with a stock Intake, tb, manifold, SHORTY HEADERS, etc??
Go ahead... ill wait.
My point is that the lt1 is infact performing very well and imo is close to a ls7.
Please dont confuse me for one of the other guys on this board. I know exactly what a ls7 is capable of. Ive owned two c6z's and raced them constantly.
With that, there is no question the ls7 and lt1 arent really comparable imo HOWEVER GM/Chevy thinks they are. so....
1. 440rwhp is NOT low for a stock ls7. That is the norm. Anything above that is either a happy dyno, std cor. or sa smoothing 1 or a combination of both. Ive had my cars dynod plenty of times to colaborate those claims.
2. No doubt with a cam or even heads the ls7 will produce a number around 550rwhp or more. However did you see the results from New Era??
Stock intake, shorty headers, VVt-cam (afm deleted) It made 512rwhp sae smoothing 5.
Question.... when was the last time you saw a ls3 hit 500rwhp+ cam only with a stock Intake, tb, manifold, SHORTY HEADERS, etc??
Go ahead... ill wait.
My point is that the lt1 is infact performing very well and imo is close to a ls7.
Last edited by obzidian; Feb 27, 2014 at 03:02 PM.
Safety Car
Joined: Oct 2007
Posts: 3,987
Likes: 20
From: Miami Fl.
St. Jude Donor '09
Drifting
Joined: Dec 2009
Posts: 1,404
Likes: 7
From: Malverne New York
josec5: I dont want to trash speed inc's thread but....
Please dont confuse me for one of the other guys on this board. I know exactly what a ls7 is capable of. Ive owned two c6z's and raced them constantly.
With that, there is no question the ls7 and lt1 arent really comparable imo HOWEVER GM/Chevy thinks they are. so....
1. 440rwhp is NOT low for a stock ls7. That is the norm. Anything above that is either a happy dyno, std cor. or sa smoothing 1 or a combination of both. Ive had my cars dynod plenty of times to colaborate those claims.
2. No doubt with a cam or even heads the ls7 will produce a number around 550rwhp or more. However did you see the results from New Era??
Stock intake, shorty headers, VVt-cam (afm deleted) It made 512rwhp sae smoothing 5.
Question.... when was the last time you saw a ls3 hit 500rwhp+ cam only with a stock Intake, tb, manifold, SHORTY HEADERS, etc??
Go ahead... ill wait.
My point is that the lt1 is infact performing very well and imo is close to a ls7.
Please dont confuse me for one of the other guys on this board. I know exactly what a ls7 is capable of. Ive owned two c6z's and raced them constantly.
With that, there is no question the ls7 and lt1 arent really comparable imo HOWEVER GM/Chevy thinks they are. so....
1. 440rwhp is NOT low for a stock ls7. That is the norm. Anything above that is either a happy dyno, std cor. or sa smoothing 1 or a combination of both. Ive had my cars dynod plenty of times to colaborate those claims.
2. No doubt with a cam or even heads the ls7 will produce a number around 550rwhp or more. However did you see the results from New Era??
Stock intake, shorty headers, VVt-cam (afm deleted) It made 512rwhp sae smoothing 5.
Question.... when was the last time you saw a ls3 hit 500rwhp+ cam only with a stock Intake, tb, manifold, SHORTY HEADERS, etc??
Go ahead... ill wait.
My point is that the lt1 is infact performing very well and imo is close to a ls7.
Burning Brakes
Joined: May 2008
Posts: 1,146
Likes: 28
From: Aledo, TX
The thing I have heard with the C7 vs C6 platform is the torque, and electronic differential putting down the power. This is especially true in exit speed. If you consider the importance of exit speed I would say a cammed C7 would beat a C6 around a track all day long.
Picking up 50ft lb's of torque with just headers and the electronic dif, I would say is going to be make this car close to equal with a C6 Z06.
Picking up 50ft lb's of torque with just headers and the electronic dif, I would say is going to be make this car close to equal with a C6 Z06.
Safety Car
Joined: Oct 2007
Posts: 3,987
Likes: 20
From: Miami Fl.
St. Jude Donor '09
EDIT:
Coincidence? I don't believe in those!
"....but the new LT1 is throwing down dang-near LS7 power from a lot less cubes!"
http://ls1tech.com/articles/551rwhp-...dscam-package/
Last edited by obzidian; Feb 27, 2014 at 08:24 PM.