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Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com (https://www.camaro5.com/forums/index.php)
-   Camaro ZL1 Forum - ZL1 Specific Topics (https://www.camaro5.com/forums/forumdisplay.php?f=85)
-   -   *Pics* Why you should do a Solid Isolator Coupler... (https://www.camaro5.com/forums/showthread.php?t=310588)

Matt @ FSP 08-01-2013 06:08 PM
*Pics* Why you should do a Solid Isolator Coupler...
 
4 Attachment(s)
9400 miles...

PNYSLAR 08-01-2013 06:40 PM
mayby I'm being obtuse.. But what are looking at besides the front of the supercharger?

willhe64 08-01-2013 06:44 PM
See how the spring in the right side of pic4 has rubbed into the shaft in pic 3. That should be smooth. That's the rattle you hear from the ZL's

LS1 Fun 08-01-2013 06:58 PM
At first I was like WTF but now I see it. Pic 3 shows the damage the best.

I have 8200 miles on mine and it's stock... :thumbdown:

Modern07 08-01-2013 06:58 PM
And to think I didn't think mine rattled haha!

I must be deaf or something!! :lol:

Still replaced now :D

bumblebeecamaro 08-01-2013 07:01 PM
that is insane. I can't believe GM continues to allow this shotty design in such a high end car like the ZL1.

I want to replace my coupler so bad but I'm terrified of losing my warranty on my S/Cer.

joes407 08-01-2013 07:03 PM
Quote:
Originally Posted by Modern07 (Post 6847625)
And to think I didn't think mine rattled haha!

I must be deaf or something!! :lol:

Still replaced now :D
is that yours phil?

Modern07 08-01-2013 07:04 PM
Quote:
Originally Posted by joes407 (Post 6847635)
is that yours phil?
Yes

Removed today

Bad isn't it!

joes407 08-01-2013 07:15 PM
riddle me this matt. the wear shown is 9k miles so does that wear lessen or subside as the car breaks in or will the wear proceed at the current rate through the mileage of the car thus wearing through in xxx miles?

joes407 08-01-2013 07:19 PM
Quote:
Originally Posted by Modern07 (Post 6847641)
Yes

Removed today

Bad isn't it!
it may look worse than it actually is. we have to remember g.m is standing behind this design for 100k miles. that would be roughly 1900 superchargers in '12 and 9k superchargers put on '13's so far. that would be serious cost to warranty all of them if they are all wearing at this rate. my thought is the initial wear happens quickly due to the break in but then subsides to a tolerable wear rate soon after. at that point some rattle and some don't.

Matt @ FSP 08-01-2013 07:24 PM
Quote:
Originally Posted by joes407 (Post 6847691)
riddle me this matt. the wear shown is 9k miles so does that wear lessen or subside as the car breaks in or will the wear proceed at the current rate through the mileage of the car thus wearing through in xxx miles?
Joe I cannot give you an accurate answer on this as we have not done conditional testing on any of this.

I can say that I have seen 100+ LSA motors apart. Among those for example; a 140 mile ZR1 that was fine, 1500 mile CTS-V that was worse than this, and a 40k CTS-V that was fine... Out of all the ones that were taken apart, I'd say 80%+ of the ones that we take off (Its part of our package so we always change these) have impacted the shaft from the spring. In this case we also deburr all 6 pins because the breakdown of the isolator starts elongating some of the bolt holes and the pins get a bit scored.

joes407 08-01-2013 07:25 PM
Quote:
Originally Posted by Modern07 (Post 6847641)
Yes

Removed today

Bad isn't it!
let me know when pick up time is for your car. id love to get an eye on matts shop if you need a ride out & im sure we'd be at high ticket risk on way back though

Matt @ FSP 08-01-2013 07:26 PM
Quote:
Originally Posted by Modern07 (Post 6847625)
And to think I didn't think mine rattled haha!

I must be deaf or something!! :lol:

Still replaced now :D

The only rattle is the loose nut behind the steering wheel...

Thanks willhe for the clarification, I was trying to be too slick in just posting pictures and letting everyone take a look.. The other side of the shaft 180* out from that has very few marks on it, so I'd contribute that to run-out while the isolator/tensioner was breaking down.

joes407 08-01-2013 07:28 PM
Quote:
Originally Posted by Matt @ FSP (Post 6847732)
Joe I cannot give you an accurate answer on this as we have not done conditional testing on any of this.

I can say that I have seen 100+ LSA motors apart. Among those for example; a 140 mile ZR1 that was fine, 1500 mile CTS-V that was worse than this, and a 40k CTS-V that was fine... Out of all the ones that were taken apart, I'd say 80%+ of the ones that we take off (Its part of our package so we always change these) have impacted the shaft from the spring. In this case we also deburr all 6 pins because the breakdown of the isolator starts elongating some of the bolt holes and the pins get a bit scored.
so in simplified terms youre saying the wear is unpredictable and varies supercharger to supercharger but that the solid coupler hasn't been around long enough to assess whether or not it might cause a negative effect down the road or less than 100k mile life expectancy?


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