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Camaro Z/28 Forum - Z/28 Specific Topics Discussions related to the 5th gen Camaro Z/28 model

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Old 07-13-2012, 10:58 PM   #226
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...yes, ...in a weird, bizzare way, I think it does....
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Old 07-13-2012, 11:01 PM   #227
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That little short clip of the L28 that Pete posted, where it comes toward you then stops and backs up, is incredibly awesome to hear. Absolutely, positively screaming SBC at idle complete with big cam lope, man that takes me back and I'll bet an LS7 would sound and feel so right in a fifth gen with Z/28 emblems.
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Old 07-14-2012, 06:44 AM   #228
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As much as we would like to bring up nostalgia, Trans Am, Mark Donahue, 302's, or anything with that period, it has no real meaning to today other than some linking of legacy to a storied name....Z28.. The LSA runs and feels just a old time big block rat motor. The LS7, if you have ever been around one that is tweeked a bit, has a devilsh high whinning, screaming, devilish noise to it. It's a screamin demon small block for sure. We want NA in a Z28, not SC. Do not confuse CID #'s with motor configuration, a LS7 is a small block of the latest technology as there ever was one. Yes, weight's an issue, and a dead horse of topical discussion. Add on's with the ZL1, well thought out and planned within a pound conscious development program to bring the best beef to the table in it's leanest form, brings the ZL1 into a 1970 Chevelle LS6 range with an automatic. Not acceptable for a Z28. I know thats clear to all of us and it's no new news. We have discussed this time and over again. The car has been built here several times over...and is ready for delivery, GM just needs to give the green light. This topic is like Groundhog day....part 2, and 3, and 4...and.....

I don't necessarily disagree with anything except the weight. Where is the unbreakable law that these cars must weight 3900 pounds? Just becasue GM builds it that way? Even a couple hundred would produce results

As far as CID vs motor config...I'm very old school muscle. I know what a big block is...and isn't
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Old 07-14-2012, 06:50 AM   #229
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Z28 = Nostalgia

Sure the SS is an upgrade, but my cheap Z/28 I had is where all the "magic" happened lol. If there was a 2013 Z/28 I would totally "make it" in that car just to be like I was back in the day hahahaha.
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Old 07-14-2012, 12:59 PM   #230
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I don't necessarily disagree with anything except the weight. Where is the unbreakable law that these cars must weight 3900 pounds? Just becasue GM builds it that way? Even a couple hundred would produce results

As far as CID vs motor config...I'm very old school muscle. I know what a big block is...and isn't
The 5Gen Camaro was probably never supposed to happen until the Mustang once again became so popular. Chevy had to make one quick to get back in the game. Therefore they used what was available and it happened to be a larger sedan based platform. Now add all the convenience and safety items required and wala you have a bigger and heavier car. I'm glad they brought it back and how quickly they did it. Also can you argue with success? And as I'm sure you know the 6Gen ground up design will be lighter.
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Old 07-14-2012, 01:00 PM   #231
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Z28 = Nostalgia

Sure the SS is an upgrade, but my cheap Z/28 I had is where all the "magic" happened lol. If there was a 2013 Z/28 I would totally "make it" in that car just to be like I was back in the day hahahaha.

???
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Old 07-14-2012, 06:35 PM   #232
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???
LOL...and the question is asked...are they here to entertain us???
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Old 07-14-2012, 07:04 PM   #233
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LOL...and the question is asked...are they here to entertain us???
If they were, they're not doing a very good job of it!
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Old 09-17-2012, 03:20 PM   #234
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Z28 was the factory entry model for Trans AM; a road course car for the street. The SS, was a more frills camaro for the masses.
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Old 09-17-2012, 09:40 PM   #235
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Z28 was the factory entry model for Trans AM; a road course car for the street. The SS, was a more frills camaro for the masses.
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Old 09-18-2012, 10:36 AM   #236
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GM seems to mess around with the model naming every generation. For the forth Gen, the SS ended up being a level up on the Z28, because in the beginning GM didn't build the SS's. The company, SLP, took factory Z/28s and modified them, then resold them through Dealers. That's how the 4th gen SS started out. in the 3rd gen there was no SS. The Z/28 was the top level V8 with 305 or 350ci. The RS Camaro was were you went for the cheaper V8. It came with the choise of either a V6 or the 305 V8. 1st and second gen you had choises of base model, Z28, or z28 with a slew of engines from V6's to both big and small block V8's.
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Old 09-18-2012, 11:16 AM   #237
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GM seems to mess around with the model naming every generation. For the forth Gen, the SS ended up being a level up on the Z28, because in the beginning GM didn't build the SS's. The company, SLP, took factory Z/28s and modified them, then resold them through Dealers. That's how the 4th gen SS started out. in the 3rd gen there was no SS. The Z/28 was the top level V8 with 305 or 350ci. The RS Camaro was were you went for the cheaper V8. It came with the choise of either a V6 or the 305 V8. 1st and second gen you had choises of base model, Z28, or z28 with a slew of engines from V6's to both big and small block V8's.
Z/28 was always an SBC-powered Camaro. '67 through '74. '77 through '02.

The last Big Blocks (402s, actually), Gen-2 MY '70-'72, were only offered as upgrades to the SS Package. '67 through '69.5 Big Blocks were available generally only as SS-Packaged offerings. The exceptions, of course, are the infamous COPOs...
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Old 09-18-2012, 03:23 PM   #238
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....and, 1970 through 1974 SHP SBC's used in Z-28's were the identical SHP SBC 350 CID's used in Corvette's. So, there is a precident set in sharing motors between the two. Let's share the LS7 with a new '14 Z-28, shall we....?
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Old 09-18-2012, 04:41 PM   #239
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....and, 1970 through 1974 SHP SBC's used in Z-28's were the identical SHP SBC 350 CID's used in Corvette's. So, there is a precident set in sharing motors between the two. Let's share the LS7 with a new '14 Z-28, shall we....?
Sharing is nice.
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Old 09-25-2012, 02:34 PM   #240
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....and, 1970 through 1974 SHP SBC's used in Z-28's were the identical SHP SBC 350 CID's used in Corvette's. So, there is a precident set in sharing motors between the two. Let's share the LS7 with a new '14 Z-28, shall we....?
yes, yes, yes... imagine the badge:

Z28
505hp
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Old 09-30-2012, 03:27 PM   #241
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I feel some on here need to purchase Netflix and watch what started it all......
The Z28 was the top of the heap in its date winning drag and road races.....
It got like the GTR is today where champion drag races were between two Z28's.....
Watch this series.....
http://movies.netflix.com/WiPlayer?m...&trkid=3326878
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Old 09-30-2012, 04:56 PM   #242
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I feel some on here need to purchase Netflix and watch what started it all......
The Z28 was the top of the heap in its date winning drag and road races.....
It got like the GTR is today where champion drag races were between two Z28's.....
Watch this series.....
http://movies.netflix.com/WiPlayer?m...&trkid=3326878
Some of us don't need to join Netflix and watch the movies/shows, we were there when it happened back in the day.
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Old 10-01-2012, 10:47 AM   #243
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...that's because you are an OG Clyde...
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Old 10-01-2012, 11:32 AM   #244
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....and, 1970 through 1974 SHP SBC's used in Z-28's were the identical SHP SBC 350 CID's used in Corvette's. So, there is a precident set in sharing motors between the two. Let's share the LS7 with a new '14 Z-28, shall we....?
Didn't the Vetts '69/'70 have the TRW dome forged pistons where the camaro had the flat top TRW forged pistons. This would bump up the compression to 11:1.

Also I'm not sure if it was stated or not... the Z28 was the build code name and the SS had a z27 build code. These were stamped on the cowl tag.
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Old 10-01-2012, 11:58 AM   #245
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The 1970 Corvette HP small block was the LT1, same as in the 1970 1/2 Z-28. Both were identical 11:1 CR. After that CR's dropped to 9:1. Without going into exact specs, that can be easily looked up at nastyZ28.com (the best website to research early Camaro's, RPO's, specs etc..), '71 through '74 also shared the exact same 350 SHP engine configuration. The bottom ends were identical from '70-'74, only the heads, cam, intake and carb combination changed. '71 and '72 were the same as '70, but were 9:1 CR, '73 and '74 were 9:1 CR, but dropped the solid lifter cam, aluminum dual plane intake and Holley for a hydraulic cam, cast iron QJ intake and QJ carb. But each motor was identical (LT1 which changed to L82) for both. Replacement LT1 and L82 short blocks (only difference between the two was CR)and parts were available up to mid 1980's from the GM parts counter. The Z28 and Z27 RPO didn't initially show up on the cowl tag until after 1970 as I recall. My memory is growing foggier as I get older...but the website is a must read if you get a chance.
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Old 10-01-2012, 12:15 PM   #246
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'70 Vette LT1 rated 370 hp...better flowing exhaust
'70 Z/28 LT1 rated 360 hp.
As mentioned, internally the same.
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Old 10-01-2012, 12:20 PM   #247
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...it was rumored exhaust, but also it had to be "more" because the 'Vette's had to be more..you know...
'71-'72 Z-28 was 330 BHP due to drop in CR by 2 points.
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Old 10-01-2012, 12:25 PM   #248
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Maybe...but the Vette had "true" duals, while the Camaro was saddled with a single transverse dual-in/dual-out muffler, which no doubt ate some zip from the ZEE.
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Old 10-01-2012, 12:28 PM   #249
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Maybe...but the Vette had "true" duals, while the Camaro was saddled with a single transverse dual-in/dual-out muffler, which no doubt ate some zip from the ZEE.
...touche! Very good sir...!
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Old 10-01-2012, 04:08 PM   #250
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...it was rumored exhaust, but also it had to be "more" because the 'Vette's had to be more..you know...
'71-'72 Z-28 was 330 BHP due to drop in CR by 2 points.
Dumb question possibly, someone please correct me if I am wrong.

Lot of people here and in autoworld say the Camaro can't have more HP than the Vette,

I see here that even though engines were identical( in the 70 -74 cars), the Vette was rated higher. IIRC wasn't the highest rated ( or advertised HP) corvette 435HP

So if the Corvette had to have the highest HP how did the 70 Chevelle get away with its advertised 450HP in the LS6 454
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