Generation III External Engine LS1 | LS6 | Bolt-Ons | Intakes | Exhaust | Ignition | Accessories
Sponsored by:
Sponsored by:

Describe life before & after poly motor mounts

Thread Tools
 
Search this Thread
 
Old 06-19-2007, 09:49 PM
  #21  
TECH Addict
iTrader: (5)
 
Redlinez's Avatar
 
Join Date: Jan 2003
Location: Fuquay-Varina, NC
Posts: 2,298
Received 0 Likes on 0 Posts

Default

I did the driver side only and it worked great. After reading these posts, I'll probably do both on this car.
Old 06-19-2007, 09:52 PM
  #22  
TECH Addict
iTrader: (49)
 
HavATampa's Avatar
 
Join Date: Aug 2003
Location: Louisiana
Posts: 2,128
Likes: 0
Received 1 Like on 1 Post
Default

Before mounts: Good
After mounts: Great

It's amazing the difference they make the engine feel. You get more car movement when the engine torques over but no more vibrations or strange noises than with the stock mounts. Also keeps the exhaust pipes from banging on the floor. I changed mine when I put better heads on, made it so much easier to do. Got mine from www.thunderracing.com, sponsor >>>>>>>>>>>>>>>>>>>>>
Old 06-19-2007, 10:04 PM
  #23  
TECH Addict
iTrader: (49)
 
HavATampa's Avatar
 
Join Date: Aug 2003
Location: Louisiana
Posts: 2,128
Likes: 0
Received 1 Like on 1 Post
Default

Before mounts: Good
After mounts: Great

It's amazing the difference they make the engine feel. You get more car movement when the engine torques over but no more vibrations or strange noises than with the stock mounts. Also keeps the exhaust pipes from banging on the floor. I changed mine when I put better heads on, made it so much easier to do. Got mine from www.thunderracing.com, sponsor >>>>>>>>>>>>>>>>>>>>>
Old 06-19-2007, 11:03 PM
  #24  
TECH Fanatic
iTrader: (1)
 
MannyZ28's Avatar
 
Join Date: Jul 2005
Location: Earth
Posts: 1,682
Likes: 0
Received 0 Likes on 0 Posts
Default

Does anyone have a link to a write up for installing the poly engine mounts?
Old 06-20-2007, 05:17 AM
  #25  
TECH Enthusiast
iTrader: (8)
 
SSJIMMY's Avatar
 
Join Date: May 2005
Location: Sanford, FL
Posts: 506
Likes: 0
Received 0 Likes on 0 Posts

Default

Originally Posted by =ZoomZ=
Where did you guys get the poly mounts from ?

any forum vendors here sell them ?

I need a set for the vette bad.

Ive already have cracks in my header collectors from the rocking of the motor .
I got mine from Speed Inc. but i think a few sponsors carry them.
Old 06-20-2007, 11:07 AM
  #26  
TECH Fanatic
Thread Starter
iTrader: (2)
 
DANSBIRD's Avatar
 
Join Date: Nov 2002
Posts: 1,193
Likes: 0
Received 0 Likes on 0 Posts

Default

Thanks for the replies fellas

Any certain brands to look for? Or will the poly mounts for an LS1 Fbody from Thunder Racing pretty much do the trick? I didn't think there could be a big difference in any of them.
Old 06-20-2007, 11:08 AM
  #27  
TECH Fanatic
Thread Starter
iTrader: (2)
 
DANSBIRD's Avatar
 
Join Date: Nov 2002
Posts: 1,193
Likes: 0
Received 0 Likes on 0 Posts

Default

Thanks for the replies fellas

Any certain brands to look for? Or will the poly mounts for an LS1 Fbody from Thunder Racing pretty much do the trick? I didn't think there could be a big difference in any of them..
Old 06-20-2007, 11:08 AM
  #28  
TECH Fanatic
Thread Starter
iTrader: (2)
 
DANSBIRD's Avatar
 
Join Date: Nov 2002
Posts: 1,193
Likes: 0
Received 0 Likes on 0 Posts

Default

Thanks for the replies fellas!

Any certain brands to look for? Or will the poly mounts for an LS1 Fbody from Thunder Racing pretty much do the trick? I didn't think there could be a big difference in any of them.
Old 06-20-2007, 11:50 AM
  #29  
TECH Fanatic
Thread Starter
iTrader: (2)
 
DANSBIRD's Avatar
 
Join Date: Nov 2002
Posts: 1,193
Likes: 0
Received 0 Likes on 0 Posts

Default

Thanks a lot fellas

Is there a certain brand I should get the poly's from? I figured Id just call Thunder Racing and get what they had... didnt think there would much of a difference.
Old 06-20-2007, 11:50 AM
  #30  
TECH Fanatic
Thread Starter
iTrader: (2)
 
DANSBIRD's Avatar
 
Join Date: Nov 2002
Posts: 1,193
Likes: 0
Received 0 Likes on 0 Posts

Default

dfcdsddsdsdfsd
Old 06-20-2007, 11:51 AM
  #31  
TECH Fanatic
Thread Starter
iTrader: (2)
 
DANSBIRD's Avatar
 
Join Date: Nov 2002
Posts: 1,193
Likes: 0
Received 0 Likes on 0 Posts

Default

Annnnd I can no longer see any posts past #20
Old 06-20-2007, 12:24 PM
  #32  
Launching!
iTrader: (5)
 
scottHMT's Avatar
 
Join Date: Apr 2007
Posts: 237
Likes: 0
Received 0 Likes on 0 Posts
Default

I did them by myself in my driveway on jackstands in 85 -90 degree heat, i was doing my headers aswell. Its kinda PITA to drill out the stock clamshells. I didnt have much trouble at all putting them back in, i just jacked up the engine, slid it in, finger tightened everything and lowered the engine back down. It didnt wanna slide in perfectly so i used a crowbar and pushed the engien forward and it dropped right into the mount.
Old 06-20-2007, 12:30 PM
  #33  
TECH Enthusiast
iTrader: (10)
 
Sweet71's Avatar
 
Join Date: Dec 2006
Location: Edmonton, CANADA
Posts: 515
Likes: 0
Received 0 Likes on 0 Posts

Default

I dont have them and i have headers and a large cam and it drives be crazy, they always hit the floor
Old 06-20-2007, 03:33 PM
  #34  
Tough Mudder
iTrader: (36)
 
Hilton's Avatar
 
Join Date: Aug 2004
Location: Shreveport, LA
Posts: 992
Likes: 0
Received 0 Likes on 0 Posts

Default

I just ordered some!
Old 06-20-2007, 03:44 PM
  #35  
LS1TECH Sponsor
iTrader: (4)
 
badpewter-z's Avatar
 
Join Date: Apr 2002
Location: RI
Posts: 5,650
Likes: 0
Received 0 Likes on 0 Posts

Default

i swapped poly ones in with the new motor which might attribute to some of the vibration but if i were to do it again id only do one side and a new stock one on the other side. its alot closer to a solid mount feel than i wanted but better than the sloopyness that was there with the old ones and old motor.
Old 06-20-2007, 03:45 PM
  #36  
TECH Resident
iTrader: (4)
 
BIG BAD BLACKSS's Avatar
 
Join Date: Sep 2005
Location: Chicago
Posts: 982
Likes: 0
Received 1 Like on 1 Post
Default

I helped install them on my buddies car, he had hooker long tubes with caused some interference but nothing terrible. Theres one bolt thats a pain to get and you have to inch it out slowly. Other then taht make sure teh mount is in properly and LINE UP TEH HOLES FOR THE BOLTS ON THE CLAMSHELL. My buddy assembled one taht was slightly off and teh bolt wouldnt thread in and kept going cockeyed and we spent 2 hours trying to get the right angle to get it in. Never could get it so we pulled it out and saw the problem, lined it up and it went in in 10 minutes.
Old 06-20-2007, 07:55 PM
  #37  
On The Tree
iTrader: (1)
 
0utlawTorn's Avatar
 
Join Date: May 2006
Location: Toledo, OH
Posts: 152
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by =ZoomZ=
Where did you guys get the poly mounts from ?

any forum vendors here sell them ?

I need a set for the vette bad.

Ive already have cracks in my header collectors from the rocking of the motor .
www.speedinc.com
Old 06-20-2007, 09:38 PM
  #38  
Launching!
iTrader: (1)
 
hammerhead's Avatar
 
Join Date: Nov 2001
Location: CT
Posts: 213
Likes: 0
Received 0 Likes on 0 Posts
Default

I decided to skip them for now when I got in there and saw what a PITA they would be.
Old 06-21-2007, 01:15 PM
  #39  
Staging Lane
iTrader: (2)
 
3fourty6's Avatar
 
Join Date: Jan 2006
Location: Greenfield, IA
Posts: 75
Likes: 0
Received 0 Likes on 0 Posts
Default

If you have the headers out I would highly recommend doing it then. I also did a H/C swap using the MS4 at the same time as the mounts. So I really can't say how big of a difference there was. With the cam the motor doesn't move much at all. It surely doesn't tilt or rock either. My mirrors shake a bit but I like it.
Old 06-21-2007, 01:18 PM
  #40  
TECH Addict
iTrader: (6)
 
SpdFrk1990's Avatar
 
Join Date: May 2005
Location: Cincinnati
Posts: 2,571
Likes: 0
Received 1 Like on 1 Post

Default

Originally Posted by MannyZ28
Does anyone have a link to a write up for installing the poly engine mounts?
No write up but ill tell you everything you need to know to get it done. Basically you need to remove the alternator and unbolt the a/c compressor and its bracket and move the a/c compressor out of the way. No need to unhook the lines or anything.


Quick Reply: Describe life before & after poly motor mounts



All times are GMT -5. The time now is 09:26 AM.