[don527]

After test driving FUBU's '02, I really think the new rear shocks and the new exhaust setup would be very good mods to make. It would be mods you can FEEL and also like the idea that they are factory pieces.

Anyone find the new part number and prices for the new rear shocks and cat? And I'm assuming that there is a new piece to eliminate the pups.

Thanks.

 

[hcvone]

Don, I am going to replace my cats with Random Tech cats because they flow twice the air that the stock cats flow, if you install long tube headers that will take care of the pre cat problem. /phpBB/images/smiles/icon_wink.gif

 

[c4c5specialist]

Hi there,
I will research this tomorrow, and repost the correct part numbers.
Best, c4c5

 

[don527]

C4C5specialist >
Thanks, I look forward to your findings.

Carl >
That's an interesting idea, freer flowing cats and removing the pups. (I'm not going LT headers unless someone <please> makes one specifically for the Z06 with matched ports) But the '02 cats are suppose to breathe freer than the '01s... so the magic question is... Are the '02 cats better flowing than Random Techs cats?

Hope you can find that out for me /phpBB/images/smiles/icon_smile.gif Cause I fell in love with that extra throatiness of FUBU's '02.

Don

On 2001-08-16 20:28, c4c5specialist spewed forth this drivel:
Hi there,
I will research this tomorrow, and repost the correct part numbers.
Best, c4c5

_________________

 

[don527]

C4C5specialist >

Also, besides the shocks, do you think GM could have put some sound dampening material in the car for '02?

Les and I were talking about how much quieter the '02 was and how 'solid' the car felt and amazed that it all came from the rear shock... but if you can check about any sound dampening please.

Don

 

[ZO6Bill]

Carl, Which Flow techs and what size(in-out)are you going to use? When I do my long tubes I may well do the cats too. As you say they flow near twice the stock units /phpBB/images/smiles/icon_smile.gif /phpBB/images/smiles/icon_smile.gif

 

[don527]

ttt... can't let this thread die yet /phpBB/images/smiles/icon_smile.gif

 

[Z11409]

On 2001-08-17 20:54, don527 spewed forth this drivel:
ttt... can't let this thread die yet /phpBB/images/smiles/icon_smile.gif

As of right now--only 02 parts can be ordered by a 02 Vin number--Sometime in mid September parts will be avaiable to all.( i hope)

 

[NetJunkie]

Didn't someone just release Z06 specific LTs? I saw them on a vendors site. They don't require the removal of the pre-cats either...if you didn't want to.

 

[don527]

NetJunkie,

If you or anyone can find where those Z06 specific LT headers are sold, please let me know.

The ONLY LTs I have heard about is from y2khardtop... he is racing his Z06... sorry forgot what series... ASA? Anyways, besides the Lingenfelter moded heads, he mentioned that GM did sell headers for the LS6... $3,000.00!!! /phpBB/images/smiles/icon_eek.gif I asked for more info but no one responded /phpBB/images/smiles/icon_frown.gif

I, for one, would like to see those headers or any literature. I can't believe no one is willing to come out with LS6 specific LTs.

Don

On 2001-08-18 12:56, NetJunkie spewed forth this drivel:
Didn't someone just release Z06 specific LTs? I saw them on a vendors site. They don't require the removal of the pre-cats either...if you didn't want to.

 

[KellyZ06]

If 01 people want to replace the exhaust system with the 02 set up, do you have to replace the ENTIRE system from the exhaust manifolds back THRU the mufflers that are behind the rear diff? or just components in between? Also can the 01 computer relearn this setup without having to go to a tuner? I would like to do this mod (I think the price will be high) but only if it is strictly bolt on. /phpBB/images/smiles/icon_confused.gif

_________________
White 01 Z06

 

[c4c5specialist]

Hi there,
It is correct on the VIN specific ordering for now, as they are telling me the same thing about the parts.
Looks to me that the shocks are no problem, it is the exhaust that concerns me, as it seems, that the manifolds are the same.
Although, I am only going by the diagram, showing the part for 01-02.
As for the rest, I cannot say for sure, but this will be another question when I see the engineers at Car, and BG.
Boy, are they gonna run the other way!! /phpBB/images/smiles/icon_biggrin.gif /phpBB/images/smiles/icon_biggrin.gif /phpBB/images/smiles/icon_biggrin.gif /phpBB/images/smiles/icon_biggrin.gif c4c5

 

[don527]

Thanks for the research /phpBB/images/smiles/icon_smile.gif

Expanding this thread to a discussion of the workings of the rear suspension...

I see that the in the Z06VETTE.com '02 info, suspension changes include:

- larger front stabilizer bar
- Aluminum fr and rear stabilizer bar links
- stiffer rear leaf spring
- new rear shock valving

I'm not an autocrosser and don't push my Z to the outer limits so the front bar I wasn't concerned about and the links I hear are for weight savings.

My objective is to obtain a smoother ride, to match the same quality that I felt in the '02. I thought the shocks were the only change in the rear but I seem to have missed the rear springs which come to my question...

What is the primary function of the rear spring and how do they work in conjunction with the rear shocks?

If I am looking for a smoother ride, will I have to consider changing to the '02 rear springs also even though the '02 springs should be stiffer? Will I upset the 'balance' if I don't go with the rear spring change with the shocks?

Thanks.

On 2001-08-18 21:41, c4c5specialist spewed forth this drivel:
Hi there,
It is correct on the VIN specific ordering for now, as they are telling me the same thing about the parts.
Looks to me that the shocks are no problem, it is the exhaust that concerns me, as it seems, that the manifolds are the same.
Although, I am only going by the diagram, showing the part for 01-02.
As for the rest, I cannot say for sure, but this will be another question when I see the engineers at Car, and BG.
Boy, are they gonna run the other way!! /phpBB/images/smiles/icon_biggrin.gif /phpBB/images/smiles/icon_biggrin.gif /phpBB/images/smiles/icon_biggrin.gif /phpBB/images/smiles/icon_biggrin.gif c4c5

 

[c4c5specialist]

Hi there,
The spring and shocks work together, to give a balanced handling. That is how they are engineered.
If you install the shocks, I think that you will be fine, although, you may not get quite the launch stability that you would get with both shocks and spring.
As for comfort, it really was not so much a goal here, as FE4 was designed to be the edge of Corvette handling.
Best to all, c4c5

 

[don527]

I was just checking Ken Fichtners weekly post on the other forum and he's listing the '02 shocks.

2002 Z06 Rear Shock $ 155.00 (list) $ 108.50 for forum members and 2 for $ 217.00.

I'll need to check with him to verify but at that price, I may try them out.

Thanks C4C5 for the added info... I know the spring and shocks work in conjunction but wanted to know what the 'primary' function of the springs were... controlling side to side or with bounce, etc. Definitely not expecting a Lexus ride in changing the shocks but to take the 'bite' out of the bumps. And I am guessing it actually may help in launches and wheel hop at the strip with the softer settings... but I'm thinking that if they did soften the springs too much that they needed a stronger spring, will going shocks only loosen the rear end and promote oversteer? But again, I'm not into suspensions enuff to really know.

I was also suprised at how much quieter the cabin was when the bumps are not as pronounced and at $108 a shock, it would be cheaper than getting the partition to get a quieter cabin.

Don

On 2001-08-18 12:16, Z11409 spewed forth this drivel:
As of right now--only 02 parts can be ordered by a 02 Vin number--Sometime in mid September parts will be avaiable to all.( i hope)

_________________

 

[don527]

JC,

Your '02 Z06 info mentions a stiffer rear leaf spring... where did you get that info?

I saw the latest Corvette Fever's '02 write and they had no mention of a stiffer rear leaf spring and the '02 write-up on the 'registry' has no mention of it either.

Just hoping we can clear things up.

Don

 

[N4C5S]

It mentions the FE4 having a stiffer spring, NOT the 02 being stiffer than the 01.

JC

 

[don527]

Yes, I found the 2002 press release and I guess how you (or I in this case) read it, GM was trying to say that the FE4's leaf spring is stiffer than the Z51s or whatever the hipo package is on the coupe.

But I took the info to say that for '02 the springs were made stiffer.

My wrong. But turns out GREAT if that is the case cause those $108 shocks look very appealing. /phpBB/images/smiles/icon_smile.gif

Don

On 2001-08-19 15:40, N4C5S spewed forth this drivel:
It mentions the FE4 having a stiffer spring, NOT the 02 being stiffer than the 01.

JC

_________________

 

[KellyZ06]

What's involved in changing the shocks? What has to be removed to get to them? /phpBB/images/smiles/icon_confused.gif

 

[don527]

c4c5specialist,

can you help us out on that question? if I were to take it to the dealer, how many hours labor would they charge?

Don

On 2001-08-20 22:48, KellyZ06 spewed forth this drivel:
What's involved in changing the shocks? What has to be removed to get to them? /phpBB/images/smiles/icon_confused.gif