2011 Camaro SS Vs 1969 Camaro Zl1 STOCK - Page 4 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

*Mr. Wyndham* · 02-16-2011, 09:11 PM

Shall I merge the two?

SSLarry · 02-16-2011, 11:15 PM

Quote:

Originally Posted by Dragoneye

Shall I merge the two?

Yes

*DGthe3* · 02-17-2011, 02:55 AM

Quote:

Originally Posted by Dragoneye

Shall I merge the two?

Beat ya to it! (why can't I sleep tonight

)

assasinator · 02-17-2011, 06:30 PM

please read the facts about factory stock ZL1 engines. not legend. facts. the ls3 is superior. i posted head flow stats. i posted castings.

they are 375 SAE net hp. not bad for the times, but nothing by todays standards.

cam the ls3 as radical, use headers, etc, and your talking 475-500 rwhp. about 570 crank hp.

it is what it is. 1969 flow and velocity technology VS yates inspired combustion chambers of the LS3.

stock; 50 state legal, and the LS3 owns the ZL1.

how crazy is it, that im the only one defending the LS3. can you say irony. i dont even like the ls3. im a LS2 fan.

usa1camaro1969 · 02-17-2011, 08:20 PM

Quote:

Originally Posted by assasinator

they are 375 SAE net hp. not bad for the times, but nothing by todays standards.

cam the ls3 as radical, use headers, etc, and your talking 475-500 rwhp. about 570 crank hp.

it is what it is. 1969 flow and velocity technology VS yates inspired combustion chambers of the LS3.

stock; 50 state legal, and the LS3 owns the ZL1.

how crazy is it, that im the only one defending the LS3. can you say irony. i dont even like the ls3. im a LS2 fan.

You keep throwing the 375 SAE net hp out there and I'm not sure where you get that number but I think you're off.
As far as modding, and the LS3 vs ZL1 and defending one vs the other I guess I don't understand your desire to hammer at the ZL1 of 40+ years ago. It was what it was, and not everybody owned one or could go down and just buy one.
If Chevy didn't constantly get better over 40+ years I guess they wouldn't have an LS1, LS2 or LS3. I expect them to get better, not the stay the same, and I'm glad they have.

Mr Twisty · 02-18-2011, 08:55 AM

Quote:

Originally Posted by assasinator

how crazy is it, that im the only one defending the LS3. can you say irony. i dont even like the ls3. im a LS2 fan.

It's pretty crazy... Where ARE you getting the 375hp number??? I think you got hold of some bad info.

*DGthe3* · 02-18-2011, 05:07 PM

Quote:

Originally Posted by MisterCamaro69

It's pretty crazy... Where ARE you getting the 375hp number??? I think you got hold of some bad info.

I'm not positive on where it came from, though I have seen it pop up elsewhere. I think someone ran one on an engine dyno shortly after the new test was created, and they got 375 SAE net, as opposed to the 425 SAE gross that was advertised, and the 'substantially more' that was claimed.

Mr Twisty · 02-18-2011, 09:31 PM

There's just too much information out there that supports well in excess of 400hp from the original. This is a snippet from vetteweb.com where they tore down one of the anniversary motors. The new motors are peaking ~450hp and ~490tq fresh out of the crate. That's with milder compression and hyd. bumpstick.

Quote:

Based on the ZL1 block, the Anniversary 427 features a forged rotating assembly, oval-port big-block heads, and all the associated hardware you need to have a brand-new ZL1 right out of the box. The only deviations from the original are a hydraulic-roller cam and a 10.1:1 compression ratio, which together make for a pump-gas crate engine that will still pump out close to 500 horsepower.

kickasswelch69 · 02-22-2011, 10:35 AM

Quote:

Originally Posted by radz28

My literature (let alone these that have no mention of ZL1 heads) says another difference is round exhaust ports on ZL1s, whereas they were D-ports on the remaining BBC heads. Maybe I didn't see the ZL1 referrence - the second link didn't come up for me...

And I'm using LS7 as a Gen IV example that it's not necessary to rev' these engines into the stratosphere to make great power. I agree that it takes very little to make more power

Your comment, earlier, doesn't make sense about having the rev' it so much higher to make more power

Where the hell did you get that intake manifold? Thats ORIGINAL!!!

*radz28* · 02-22-2011, 10:58 AM

Quote:

Originally Posted by kickasswelch69

Where the hell did you get that intake manifold? Thats ORIGINAL!!!

???

kickasswelch69 · 02-22-2011, 11:10 AM

the snowflake on the intake manifold on an all aluminum 427 means it came from and was made for the 1969 ZL1.

*radz28* · 02-22-2011, 11:12 AM

Quote:

Originally Posted by kickasswelch69

the snowflake on the intake manifold on an all aluminum 427 means it came from and was made for the 1969 ZL1.

Yup - it's also on the block, above the timing cover, between the ribs (Winters Foundry). I think the blocks came painted black, so without a magnet, these were one of the identifiers of ZL1 engines.

chuckstacamaro · 02-22-2011, 11:25 AM

The 1969 ZL-1 Camaro was a monster of a car.Back in the day a friend of mine bought his from Motion Performance he had the engine Blueprinted using stock Chevrolet components, running open headers and slicks ran 11.8 at 122 MPH in NHRA B/Stock class. I don't see any stcok LS-3's or L-99's running that qucikly without Forced Induction.

02-16-2011, 09:11 PM	#43
Mr. Wyndham I used to be Dragoneye... Drives: 2018 ZL1 1LE Join Date: Jan 2007 Location: Buffalo, NY Posts: 31,876 View My Garage	Shall I merge the two? __________________ *"Keep the faith."* - Fbodfather

02-17-2011, 06:30 PM	#46
assasinator 1 n the head,2 n da chest Drives: 2002 cadillac deville Join Date: Apr 2010 Location: huntsville al. Posts: 659	please read the facts about factory stock ZL1 engines. not legend. facts. the ls3 is superior. i posted head flow stats. i posted castings. they are 375 SAE net hp. not bad for the times, but nothing by todays standards. cam the ls3 as radical, use headers, etc, and your talking 475-500 rwhp. about 570 crank hp. it is what it is. 1969 flow and velocity technology VS yates inspired combustion chambers of the LS3. stock; 50 state legal, and the LS3 owns the ZL1. how crazy is it, that im the only one defending the LS3. can you say irony. i dont even like the ls3. im a LS2 fan. __________________ 2011GT E85, Kooks 1-7/8", 3" offroad X, 2-7/8" overaxles, Roush mufflers, CobraJet intake, SCJ monoblade throttle body, drew 4.5" CAI, Boss302S exhaust valve springs, Baby CobraJet exhaust cams. 3.73 gears, lightweight 300A. 455rwhp @7800/410rwtq SAE 5000lb roller dynojet

02-22-2011, 11:10 AM	#53
kickasswelch69 Future Underwater Welder Drives: 1991 Mazda B2200 Join Date: Jan 2011 Location: Kennewick,Washington Posts: 271 View My Garage	the snowflake on the intake manifold on an all aluminum 427 means it came from and was made for the 1969 ZL1. __________________ COPO9560!! So let the Lords light in us all shine bright like a fire, and do His will for others. For this is what He did for Us. My future mods: http://www.camaro5.com/forums/showthread.php?t=271793

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02-22-2011, 11:25 AM	#55
chuckstacamaro Drives: 2014 2SS/RS BRM Purchase 03/19/2014 Join Date: Jan 2010 Location: Melbourne, FL Posts: 538 View My Garage	The 1969 ZL-1 Camaro was a monster of a car.Back in the day a friend of mine bought his from Motion Performance he had the engine Blueprinted using stock Chevrolet components, running open headers and slicks ran 11.8 at 122 MPH in NHRA B/Stock class. I don't see any stcok LS-3's or L-99's running that qucikly without Forced Induction.