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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 04-01-2014, 01:30 PM   #151
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No one should complain about the Z/28 1/4 time. It is what you would expect given the power and weight of the car. And it is not what anyone is buying the Z/28 for. Just like back in the day, Z/28s are not king of the drag strip. That is not what the first one and this one were built for.

My prediction was 12.2 @ 115. It ran 12.3 @117. C&D did 12.7@116. I would bet that was on a cold day. I underestimated the Z/28 a bit with that 117 mph. 11s are doable with some good drag radials and no other changes. Low profile tires with stiff sidewalls do not hook no matter how sticky they are.

A halfway descent driver can beat the current Camaro launch control, so the Z/28 or any Camaro doesn't need it. It's a marketing tool.

And standard SSes can live a long time at 600 rwhp with the standard axles. But if you don't respect wheelhop or do some hi rpm clutch dropping, then you are in trouble. Z/28s with about 440 rwhp will be fine.
Well one thing for sure.... In order to get drag times as good as ZL1 you have to modify the Z/28. ZL1 remains drag king of street for Camaro. Now.... if you do just a little mods like tires to the ZL1 and don't even mess with anything else, you might get close to the Track Times of the Z/28 .... at much less cost and retain your creature comforts. Simply saying.... if you talk of modifying the Z/28 to improve its drag capability, you have to do the same to the ZL1 to see what it would do on the "ring" with same 305's all around! You can bet it will be close to the Z/28. Maybe as good with the extra horses coming out of the corners.
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Old 04-01-2014, 04:45 PM   #152
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Well one thing for sure.... In order to get drag times as good as ZL1 you have to modify the Z/28. ZL1 remains drag king of street for Camaro. Now.... if you do just a little mods like tires to the ZL1 and don't even mess with anything else, you might get close to the Track Times of the Z/28 .... at much less cost and retain your creature comforts. Simply saying.... if you talk of modifying the Z/28 to improve its drag capability, you have to do the same to the ZL1 to see what it would do on the "ring" with same 305's all around! You can bet it will be close to the Z/28. Maybe as good with the extra horses coming out of the corners.
A ZL1 will not stay with a Z28 on a road course unless you dump some big money into the ZL1. And once you do that your ZL1 will still only be worth $45K+-. You will have to be happy beating the Z/28 on the drag strip. Even then you better be on your toes. 12.3 will beat a number of ZL1s I have seen at Test and Tune. So if you have the ZL1 and the good driver mod you have a chance.

Just like you can't turn an SS into a ZL1 from a recoverable cost perspective, you have the same problem turning your ZL1 into a Z28 beater.
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Old 04-02-2014, 08:38 PM   #153
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A ZL1 will not stay with a Z28 on a road course unless you dump some big money into the ZL1. And once you do that your ZL1 will still only be worth $45K+-. You will have to be happy beating the Z/28 on the drag strip. Even then you better be on your toes. 12.3 will beat a number of ZL1s I have seen at Test and Tune. So if you have the ZL1 and the good driver mod you have a chance.

Just like you can't turn an SS into a ZL1 from a recoverable cost perspective, you have the same problem turning your ZL1 into a Z28 beater.
I've been having the same argument in the ZL1 forums. A lot of people seem to think a tire change and a new pulley and the ZL1 will be flying past the Z28 on a road course. Pretty laughable IMO. Both cars are beasts but it seems to me some ZL1 owners are just upset they wont have the top dog Camaro soon. At least road course wise. (Note I'm not speaking to all ZL1 owners just a select few that like to downplay the Z28 to make themselves feel good.)
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Old 04-02-2014, 08:43 PM   #154
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I've been having the same argument in the ZL1 forums. A lot of people seem to think a tire change and a new pulley and the ZL1 will be flying past the Z28 on a road course. Pretty laughable IMO...
What was the time difference GM quoted, on either Milford or VIR -- wasn't the Z/28 three seconds per lap faster than the ZL1? That's a lot more than new tires are ever going to make up...
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Old 04-02-2014, 09:25 PM   #155
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Yes the Z28 was 3 sec. faster than the ZL1 at Milford. Even better yet it was 6 sec. faster than the GT500.
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Old 04-03-2014, 06:08 AM   #156
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What was the time difference GM quoted, on either Milford or VIR -- wasn't the Z/28 three seconds per lap faster than the ZL1? That's a lot more than new tires are ever going to make up...
What? Going to a semi slick alone will make up 2-3 seconds compared to a street tire. Cmon now, don't let your love for the car cloud your judgement.
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Old 04-03-2014, 09:51 AM   #157
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What was the time difference GM quoted, on either Milford or VIR -- wasn't the Z/28 three seconds per lap faster than the ZL1? That's a lot more than new tires are ever going to make up...

I have no interest in this debate regarding both Camaros and which one is better, pretty funny imo, but we can all agree that tires alone WILL get the ZL1 closer to the Z/28 time.. right? Lets say 1-2sec tops.. MAYBE... hmmm pretty close hu? We can all mod these cars to perform the way we'd like, faster, suspension, uprade brakes....whatever.. Point is these are 2 of the best production cars chevy offers for Camaro fans everywhere, imo...
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Old 04-03-2014, 09:51 AM   #158
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What? Going to a semi slick alone will make up 2-3 seconds compared to a street tire. Cmon now, don't let your love for the car cloud your judgement.
To each his own. I do have a Z/28 on order, and admit that the ZL1 has fearsome power. However, the Z/28 will brake far later and carry a lot more speed through the corners. I don't think the tires alone will bring the lap times up to the Z/28. IMHO, of course...
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Old 04-03-2014, 10:15 AM   #159
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Opinions are one thing. There are many tests on this scattered through the internet.
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Old 04-03-2014, 10:22 AM   #160
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I'm willing to bet that the z28 will run as quick as the fastest manual zl1 once they are put on a real track. All the good zl1 times are from auto cars. Sad part is we won't see many z28's on the strip.
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Old 04-03-2014, 11:21 AM   #161
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To each his own. I do have a Z/28 on order, and admit that the ZL1 has fearsome power. However, the Z/28 will brake far later and carry a lot more speed through the corners. I don't think the tires alone will bring the lap times up to the Z/28. IMHO, of course...

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Old 04-03-2014, 12:06 PM   #162
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...Point is these are 2 of the best production cars chevy offers for Camaro fans everywhere, imo...
Amen to that. Cars are tools; if the 1/4 mile is your thing the ZL1 is your car. If the road course beckons, the Z/28 is tough to beat at twice the price.

If, however, I had to drive 2-3 hours to my favorite tracks, then I could see the appeal of the ZL1. Luckily, I can hear the NASCARŪ boys when they run Sears Point. Not too far away, though Thunderhill and Laguna Seca are a bit of a trek...
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Old 04-04-2014, 02:01 PM   #163
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I love how the zl1 is now the "drag" car when this time last year it was the "track" car. I'd drag race and road race both of them but I'd rather dd the zl1.
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Old 04-04-2014, 05:49 PM   #164
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But guys, this is a drag racing thread. Back on topic. Who cares how the Z/28 runs on a road course? LOL.

Holy crap, Road and Track ran 12.2 @118.3! Those are ZL1 numbers. I way underestimated the Z/28. It is an easy 11 second car with DRs. And now I do not believe 505 at the crank. I call BS on that number.

Not only that, but there are not many ZL1s that have run faster than that with stock tires. And I would think most of them are autos. Road and Track does not pride itself on drag strip acumen and doesn't make up times like Motor Trend.

So if you are thinking of racing a Z/28 with your stock tired and motored ZL1 you better be on your toes.

Fun facts:

The ZL1 @ 4150 pounds and 580 HP is: 7.1 pounds per HP.
The Z/28 @ 3850 pounds and 505 HP is : 7.6 pounds per HP.
The Z/28 @ 3850 pounds and 540 HP is: 7.1 pounds per HP.

They fooled with everything else, why not the motor? Just better flowing cats, a good intake, and an aggressive tune would do the trick. Can't wait for the dynos. Long live the new king.
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Old 04-06-2014, 05:58 AM   #165
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So much for the z28 not going down the quarter mile. Callaway seems to think differently.
http://www.digitaltrends.com/cars/20...etails/#!CVFGP
http://www.roadandtrack.com/go/news/...ges-camaro-z28
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Old 04-06-2014, 07:05 AM   #166
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So much for the z28 not going down the quarter mile. Callaway seems to think differently.
How many times does this aftermarket conversion have to get marketed in this forum?
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Old 04-07-2014, 12:55 AM   #167
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So much for the z28 not going down the quarter mile. Callaway seems to think differently.
http://www.digitaltrends.com/cars/20...etails/#!CVFGP
http://www.roadandtrack.com/go/news/...ges-camaro-z28
That car is going to be a BEAST! ZR/28 anyone??
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Old 04-07-2014, 12:25 PM   #168
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The real issue for the Z28 will be if the car will really hold up to drag radials an such with the lighter weight road racing components.

for drag racing the Zl1 will alway be a better choice is is just more druable and easer to make big power. ohh and cost 20k less.

That is one reason the z28 is not a car I am just in love with. they have cut some corners that makes sense for its aplication but for a just a toy driver time will tell.

when I was shopping GT500's it has soem of the same issues. clutch and axels are pretty much a coin flip at stock power if you really push the car.

every car has it strenghs and weaknesses. If all I did was go to a track and road race my car I might be looking at one. that is why I shopped the GT500 as well when I bought even though it did not seem as balanced 11 second passes are cooler than 12 seconds passes every time ha ha. it can't be argued. once I started seeing clutch and axles would proabably be needs those cost as much as pullies and power on a zl1.
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Old 04-07-2014, 12:31 PM   #169
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That car is going to be a BEAST! ZR/28 anyone??
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Old 04-07-2014, 02:52 PM   #170
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The real issue for the Z28 will be if the car will really hold up to drag radials an such with the lighter weight road racing components.
Same drive train as the 1LE from the engine back. (But better clutch?) Nothing delicate there.
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Old 04-07-2014, 03:10 PM   #171
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So much for the z28 not going down the quarter mile. Callaway seems to think differently.
http://www.digitaltrends.com/cars/20...etails/#!CVFGP
http://www.roadandtrack.com/go/news/...ges-camaro-z28
There's a good reason GM used the LS9 block they used and didn't use the supercharger on the LS7 in the ZR1. But go ahead...... get it!
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