Solid State Isolator ? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

SSmokey · 07-20-2013, 08:50 PM

Hey guys I have only found 1 vendor selling this solid state isolator. Does anyone know other vendors selling them? Is there one that stands out more than the others?

DangerZL1 · 07-20-2013, 09:22 PM

I think everyone's selling the same isolator, so I'd go for the best price and choose a vendor who you plan on doing business with in the future. Are you referring to the solid coupler for the supercharger? LPE has been selling them for a while.

SSmokey · 07-20-2013, 09:39 PM

Yes that is it

wirebender · 07-24-2013, 02:24 PM

What is this? What is its purpose/advantage?

DangerZL1 · 07-24-2013, 03:20 PM

A lot of the ZL1s and CTSVs have a rattling noise that sounds like marbles in a can coming from the Eaton SC. The noise is caused by a spring on the OEM coupler that wears into the shaft of the SC. The noise is generally eliminated by using the solid coupler. It's a must when changing to a smaller upper pulley, since it costs less than $50, but would be a lot of work to change just to get rid of the noise.

SC2150 · 07-24-2013, 05:47 PM

All LSA engines use this same blower. The noise is from the (not very good designed) coupler/spring system and it makes noise that is annoying, and gets worth with miles.

Going with a solid coupler eliminates the noise, but there is no isolation between the drive pulley and the gearset so the life of the head unit is shortened by app 30% (direct from GM engineer).

There must be some shock dampening or all is transferred directly to the gears/rotors/shafts/bearings, and a solid coupler transfers all that shock but does eliminate the noise.

Matt @ FSP · 07-24-2013, 10:03 PM

METCO Motorsports, LPE and I think KDi has an isolator also.

We've been installing the solid coupler/isolators for years now on the Eaton blowers. It is not just noise that you will experience when the isolator starts going, but you will see it show severe signs of wear. I have seen bad isolators on 1500 mile cars (as well as shaft wear), as I have seen them on higher mileage cars, and vice versa I've seen plenty of good ones still that we have changed because it is a must.

Here are some pictures of the wear on the shaft Shaft wear 1, Shaft wear 2.

----------------------------------------------------------

Here is a media drawing released from GM in late 2012 that actually identifies a solid coupler being used in the LSA motors.. Unfortunately that has not happened yet. There were talks that the new supercharger kit part number 19301022 includes a solid isolator. I can neither verify nor deny that, so take that with a grain of internet salt rumors!

----------------------------------------------------------

The very popular Eaton M62, M90, models that GM has used on various vehicles with the 3800 series motor (Grand Prix, etc.), 2.0L Ecotec Cobalt (M62 Eaton), does not have a torsional spring loaded coupler, as they have a solid one piece coupler.

Below is a picture of the Eaton solid coupler used in GM applications in the past.

Modern07 · 07-25-2013, 07:35 AM

Good Info Matt - and that's exactly why I'll be putting one on mine!

BaylorCamaro · 07-25-2013, 11:17 AM

Yup, CTS-V owners have been doing the solid isolator mod for years now. I'll be doing it at some point.

mmarx82 · 07-26-2013, 08:26 PM

I've had mine for awhile, still yet to do this mod though, shame on me...

bumblebeecamaro · 07-30-2013, 11:45 AM

okay, so do I replace the coupler and decrease my blower's life span by 30% (according to Tracy's post) or do I leave it alone and wait for the ticking timebomb to let go as in my blower taking a dump?

joes407 · 08-01-2013, 11:36 AM

Quote:

Originally Posted by bumblebeecamaro

okay, so do I replace the coupler and decrease my blower's life span by 30% (according to Tracy's post) or do I leave it alone and wait for the ticking timebomb to let go as in my blower taking a dump?

at least with the latter g.m will fix it under warranty. keep in mind my whole supercharger had to be replaced at about 10k miles. dealer said new s/c had different design so wouldn't happen again but im just starting to hear the noise on occasion creeping in. I know soon there will be another s/c needing warrantied so I have opted to wait on the coupler just in case. if that happens I may try a solid coupler.

Modern07 · 08-01-2013, 07:02 PM

Quote:

Originally Posted by bumblebeecamaro

okay, so do I replace the coupler and decrease my blower's life span by 30% (according to Tracy's post) or do I leave it alone and wait for the ticking timebomb to let go as in my blower taking a dump?

These are the pics of the damage caused to mine after 9,400 miles

http://www.camaro5.com/forums/showthread.php?t=310588

I'd replace it!

joes407 · 08-01-2013, 07:10 PM

[QUOTE=Modern07;6847633]These are the pics of the damage caused to mine after 9,400 miles

http://www.camaro5.com/forums/showthread.php?t=310588

so lets say he replaces it and then finds out the 30% loss in s/c life is true. then what? you must remember the car has been out for a year so we really should know what kind of miles people have put on the solid isolators without issue. I believe I have one of the higher mileage '12's on this site so im real curious about longevity of the solid one. as we speak there is a shop working on a solid isolator for a chevy dealer that does not rattle the super charger to death.

07-20-2013, 08:50 PM	#1
SSmokey Drives: 2012 Black ZL1 Camaro Join Date: Jan 2010 Location: Florida Posts: 86	Solid State Isolator ? Hey guys I have only found 1 vendor selling this solid state isolator. Does anyone know other vendors selling them? Is there one that stands out more than the others? __________________

07-20-2013, 09:39 PM	#3
SSmokey Drives: 2012 Black ZL1 Camaro Join Date: Jan 2010 Location: Florida Posts: 86	Yes that is it __________________

07-24-2013, 10:03 PM	#7
Matt @ FSP Drives: 2011 Camaro SS Join Date: Dec 2012 Location: Bradenton, FL Posts: 2,610	METCO Motorsports, LPE and I think KDi has an isolator also. We've been installing the solid coupler/isolators for years now on the Eaton blowers. It is not just noise that you will experience when the isolator starts going, but you will see it show severe signs of wear. I have seen bad isolators on 1500 mile cars (as well as shaft wear), as I have seen them on higher mileage cars, and vice versa I've seen plenty of good ones still that we have changed because it is a must. Here are some pictures of the wear on the shaft Shaft wear 1, Shaft wear 2. ---------------------------------------------------------- Here is a media drawing released from GM in late 2012 that actually identifies a solid coupler being used in the LSA motors.. Unfortunately that has not happened yet. There were talks that the new supercharger kit part number 19301022 includes a solid isolator. I can neither verify nor deny that, so take that with a grain of internet salt rumors! ---------------------------------------------------------- The very popular Eaton M62, M90, models that GM has used on various vehicles with the 3800 series motor (Grand Prix, etc.), 2.0L Ecotec Cobalt (M62 Eaton), does not have a torsional spring loaded coupler, as they have a solid one piece coupler. Below is a picture of the Eaton solid coupler used in GM applications in the past. Attached Images Last edited by Matt @ FSP; 07-24-2013 at 11:01 PM.

07-25-2013, 07:35 AM	#8
Modern07 Mid-Florida Camaro Club Drives: 2019 ZL1 on Order Join Date: Jan 2011 Location: Heathrow, FL Posts: 3,136	Good Info Matt - and that's exactly why I'll be putting one on mine! __________________ My Build Thread

07-25-2013, 11:17 AM	#9
BaylorCamaro Track > 1/4 Mile Drives: 2016 C7 Z51 Join Date: Sep 2009 Location: League City, TX Posts: 6,072 View My Garage	Yup, CTS-V owners have been doing the solid isolator mod for years now. I'll be doing it at some point. __________________ Automotive YouTube Channel / Texas World Speedway / MSR Houston

07-20-2013, 09:22 PM	#2
DangerZL1 Drives: 2023 Black ZL1 Auto Join Date: Oct 2009 Location: FEMA Region 4 Posts: 2,935	I think everyone's selling the same isolator, so I'd go for the best price and choose a vendor who you plan on doing business with in the future. Are you referring to the solid coupler for the supercharger? LPE has been selling them for a while.

07-24-2013, 02:24 PM	#4
wirebender Drives: 2017 ZL1, A10, White, sunroof, nav Join Date: Apr 2009 Location: Garner, NC Posts: 720 View My Garage	What is this? What is its purpose/advantage?

07-24-2013, 03:20 PM	#5
DangerZL1 Drives: 2023 Black ZL1 Auto Join Date: Oct 2009 Location: FEMA Region 4 Posts: 2,935	A lot of the ZL1s and CTSVs have a rattling noise that sounds like marbles in a can coming from the Eaton SC. The noise is caused by a spring on the OEM coupler that wears into the shaft of the SC. The noise is generally eliminated by using the solid coupler. It's a must when changing to a smaller upper pulley, since it costs less than $50, but would be a lot of work to change just to get rid of the noise.

07-24-2013, 05:47 PM	#6
SC2150 Account Suspended Drives: 2012 Camaro RS, RX supercharged Join Date: Dec 2009 Location: Bradenton, FL Posts: 6,063	All LSA engines use this same blower. The noise is from the (not very good designed) coupler/spring system and it makes noise that is annoying, and gets worth with miles. Going with a solid coupler eliminates the noise, but there is no isolation between the drive pulley and the gearset so the life of the head unit is shortened by app 30% (direct from GM engineer). There must be some shock dampening or all is transferred directly to the gears/rotors/shafts/bearings, and a solid coupler transfers all that shock but does eliminate the noise.

07-26-2013, 08:26 PM	#10
mmarx82 Drives: '12 ZL1 #1609 Join Date: Feb 2010 Location: Georgia Posts: 1,762	I've had mine for awhile, still yet to do this mod though, shame on me... __________________ Life is too short to drive cars that suck. My build Thread

07-30-2013, 11:45 AM	#11
bumblebeecamaro Car Lover By Nature Drives: 2016 Hyper Blue Metallic SS Join Date: Dec 2009 Location: Central FL Posts: 2,327 View My Garage	okay, so do I replace the coupler and decrease my blower's life span by 30% (according to Tracy's post) or do I leave it alone and wait for the ticking timebomb to let go as in my blower taking a dump? __________________

08-01-2013, 07:10 PM	#14
joes407 Drives: 2014 ZL1m6 red hot #569 Join Date: Dec 2009 Location: florida Posts: 2,422	[QUOTE=Modern07;6847633]These are the pics of the damage caused to mine after 9,400 miles http://www.camaro5.com/forums/showthread.php?t=310588 so lets say he replaces it and then finds out the 30% loss in s/c life is true. then what? you must remember the car has been out for a year so we really should know what kind of miles people have put on the solid isolators without issue. I believe I have one of the higher mileage '12's on this site so im real curious about longevity of the solid one. as we speak there is a shop working on a solid isolator for a chevy dealer that does not rattle the super charger to death.