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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 02-20-2012, 07:29 PM   #51
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Originally Posted by Dragoneye View Post
I read an interesting comment today...

Would a baby ZL1 and a Z28 be one in the same given the current lineup?
Baby ZL1? Is that a Camaro with a 5.3L V8 force fed by a 1.5L supercharger, using a 2 coil MR suspension?
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Old 02-20-2012, 08:09 PM   #52
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Originally Posted by 2cnd chance View Post
That is a most definate YES!


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Originally Posted by wildpaws View Post
Not sure I understand the meaning of that question. The original first gen. Z/28 was not a baby anything, it was it's own unique vehicle. It certainly wasn't a baby SS or a baby COPO or baby ZL1. I certainly think a new Z/28 should be a baby ZL1 in terms of price, it should fall firmly in $45K+ territory rather than the $55K+ territory of the new ZL1. I think a new Z/28 should be an excellent performer that pricewise fills the niche between the SS and ZL1, performance wise it should be closer to the ZL1.
Clyde
I was speaking in terms of today. Given that its most likely Chevrolet will produce a Z28 car using parts-bin stuff...I was curious if the Z28 nuts here felt a "baby ZL1" make a legitimate Z28.

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Baby ZL1? Is that a Camaro with a 5.3L V8 force fed by a 1.5L supercharger, using a 2 coil MR suspension?
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Old 02-20-2012, 09:14 PM   #53
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I think the proper term is ZL1 "lite". All the performance without the heavy SC on the frontend aftertaste.

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Old 02-20-2012, 09:20 PM   #54
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Originally Posted by 2cnd chance View Post
I think the proper term is ZL1 "light". All the performance without the heavy SC on the frontend aftertaste.
Ah, my mistake.

ZLite1.

On an unrelated note....you know, I STILL haven't been able to find a comparable weight listing for both the LS3 and LSA? I would LOVE to find that out...given they managed to improve the weight balance with the ZL1, it'd be fantastic to know!

Anyways...back to the Z28 channel:

DO EET!!
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Old 02-20-2012, 10:16 PM   #55
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Originally Posted by Dragoneye View Post
Ah, my mistake.

ZLite1.

On an unrelated note....you know, I STILL haven't been able to find a comparable weight listing for both the LS3 and LSA? I would LOVE to find that out...given they managed to improve the weight balance with the ZL1, it'd be fantastic to know!

Anyways...back to the Z28 channel:

DO EET!!
Well ... if you add 125 lbs to the front end, and 125 lbs to the back end its going to balance out.
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Old 02-21-2012, 09:50 AM   #56
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I think that is somewhat true. That rear end I hear is heavy. Bombproof but heavy.
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Old 02-21-2012, 10:16 AM   #57
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Well ... if you add 125 lbs to the front end, and 125 lbs to the back end its going to balance out.
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Originally Posted by 2cnd chance View Post
I think that is somewhat true. That rear end I hear is heavy. Bombproof but heavy.
Added as low as you can go, though...excellent for Center of Gravity...hmmm....

Do you suppose if the Z28/1LE got that differential, but not the supercharger, it would achieve a perfect 50/50? (ZL1 is 51/49, I think). But that would still mean a net increase in weight...hmmmm....
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Old 02-21-2012, 10:24 AM   #58
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That has been my question all along, does a 1LE or even an LS7 based Z28 need that rear end? For drag racing yes, but track work??? I think stronger axles should be all that is needed. I think?
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Old 02-21-2012, 10:36 AM   #59
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Added as low as you can go, though...excellent for Center of Gravity...hmmm....

Do you suppose if the Z28/1LE got that differential, but not the supercharger, it would achieve a perfect 50/50? (ZL1 is 51/49, I think). But that would still mean a net increase in weight...hmmmm....
I have had that very thought as well. And I think the ZL1 is 52/48 like the other Camaros but it could be 51/49.

Anyway, it would indeed move the CG down & towards the rear. To move the weight distribution back by 1 point on the Camaro, you need to add about 75 lbs over the rear axle (or remove that much, if your reference is the ZL1)
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Old 02-21-2012, 10:47 AM   #60
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Quote:
Originally Posted by 2cnd chance View Post
That has been my question all along, does a 1LE or even an LS7 based Z28 need that rear end? For drag racing yes, but track work??? I think stronger axles should be all that is needed. I think?
If the added weight is offset by the benefit of a lower, more balanced Cg...maybe it's worth adding just because? It certainly wouldn't hurt durability! And the cost/development is covered with the ZL1...

To cover their bases, I'd just as soon use it. ...especially if the LS7 is used.

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I have had that very thought as well. And I think the ZL1 is 52/48 like the other Camaros but it could be 51/49.

Anyway, it would indeed move the CG down & towards the rear. To move the weight distribution back by 1 point on the Camaro, you need to add about 75 lbs over the rear axle (or remove that much, if your reference is the ZL1)
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Old 02-21-2012, 02:39 PM   #61
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At the risk of being branded a heretic (or worse!), there were issues with certain SSs re: axles/diff/trans. Not all Z28s/1LEs will be road course radicals...some are gonna get "stripped" a 1/4-mile at a time (and some will never leave the street/hiway!). Build 'em "like a rock" (where have I heard that before?!), so "downtime" isn't. Better customer satisfaction, statistically and in actuality. And charge once, up-front, for the "good stuff". A little weight...a LOT more satisfaction...for the owner AND GM. It's cheaper, all around, to do it right the first time and make the car more worry-free and trouble-free...

Lower Cg? Check. Less "unsprung weight"? Yuup. Pricier? Yes, but only a bit.

Now, to play devil's advocate: With an "enhanced FE4" (read: no MRC), with ZL1 drivetrain/brakes and ZL1 rims/rubber and EITHER LS3/LS7 engine AND 1LS seats (non-powered, non-heated, no-slip) AND coolers AND MRC OPTIONAL, I believe you'd be really close to a 1SS Curb...and, compared to ZL1 Curb, that's HUGE!

The mitigating circumstance? Does a better mousetrap (enhanced FE4) exist within GM, good-to-go? If NOT, there may not be time/budget/will...and IF its final result would be little $aving$ and sub-ZL1 results, make 'er MRC.

BTW, the proper term is "ZL1 Lite", Bud...
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Old 02-21-2012, 05:11 PM   #62
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Old 02-21-2012, 09:49 PM   #63
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Originally Posted by 2cnd chance View Post
I think that is somewhat true. That rear end I hear is heavy. Bombproof but heavy.
I believe it's cast iron? Bigger ring and pinion, the works. It's got to weigh 50-75 pounds more than the aluminum housing. But, in order to answer your question, one must look for any common catastrophic failures in the currently used SS rear axle assembly under maximum stress racing conditions to see where the weak points are. I am sure there are some links in the chain prone to failure, but I have not done any research.
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