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12-12-2009, 07:56 AM
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#1
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Join Date: Jan 2008
Location: Aberdeen,nc/columbus,nj
Posts: 1,449
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engine and trans mounts
hey guys im going to be upgrading my engine and transmission mounts i was thinking solid motor mounts and a poly trans mount..
what are some good brands i should look into?
and are the solid mounts a pita to install?
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Eric
07 Silverado 1500 5.3
01 Z28 6 speed
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12-12-2009, 08:06 AM
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#2
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11 Second Club
Join Date: Nov 2005
Location: Hamilton Twp, NJ
Posts: 855
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I think the only company that does solid mounts is Spohn. 198esp1 just put a set in his car, check with him on the install. Passenger side wasn't too bad, but the driver side was kinda of a PITA. Alternator, steering linkage etc. etc....
I have a set to go on my car, but I've been lazy in getting it done.
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1999 Formula 6spd (The driver)
1997 2500 Ext. Cab Dodge 4x4 CTD 5spd (The Earth Mover)
1970 Nova 5spd (The toy)
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12-12-2009, 08:06 AM
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#3
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NJFBOA Supporting Sponsor
Join Date: Feb 2006
Location: HULMEVILLE, PA
Posts: 2,023
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Solids will drive the knock sensor crazy...
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JSSPEEDANDCUSTOM.COM
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12-12-2009, 11:24 AM
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#4
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Join Date: Oct 2009
Location: Red Bank Area,NJ
Posts: 216
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As they said before... spohn has them, and they say you need a poly tranny mount to run them.
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12-12-2009, 01:55 PM
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#5
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Join Date: Feb 2009
Location: Cranford
Posts: 219
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I was going to get solid Spohn mounts, but have heard about people having false knock issues, along with the fact that itll chatter your teeth out, so I decided to just go with poly mounts. I've also heard that a poly trans mount will get beat up really bad with solid mounts since all the movement and vibration is transferred to that mount.
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2012 Grand Sport
2001 Camaro SS
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12-15-2009, 12:52 PM
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#6
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Join Date: Aug 2004
Location: Hillsborough, NJ
Posts: 2,630
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I agree with the above posts. Solid mounts will absolutely throw your ECM for a loop through the knock sensor. All of the vibration is sent through the trans mount and chassis which will eat up tranny mounts faster and rattle your cage as well. I'd highly suggest going with poly's all the way around.
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Last edited by BonzoHansen; 12-16-2009 at 06:33 AM.
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12-15-2009, 01:32 PM
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#7
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Join Date: May 2008
Posts: 817
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from what i've heard solid motor mounts are easier to install than poly, and actually don't give off too bad of vibration in most cases.
you can pick up the energy suspension poly trans mount at autozone. 3.1108 i believe is the part number. it is recommended that you cut off the 2 bumps on the top and don't use the preload plate. that's what i did. at first i had no noticeable virations, now i have a slight vibration during slow acceleration on the highway and it feels like somethings loose when i hit big bumps. have to check that out soon.
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|2000 Trans Am|T56 swap|Bolt Ons| Suspension|
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12-15-2009, 02:15 PM
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#8
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Join Date: Apr 2008
Location: Delran
Posts: 6,785
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solid is too much for the street. id go poly/poly. youd be surprised how stiff that poly insert really is.
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12-15-2009, 03:24 PM
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#9
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Join Date: Jan 2008
Location: Aberdeen,nc/columbus,nj
Posts: 1,449
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well the car isnt a dd. its only coming out of the garage on nice days. im only planning on driving it like 4-6k miles a year.
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Eric
07 Silverado 1500 5.3
01 Z28 6 speed
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12-15-2009, 03:28 PM
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#10
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,899
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And wouldn't you want to enjoy driving the car when you do....?
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Quote:
Originally Posted by KirkEvil
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12-15-2009, 03:43 PM
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#11
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Join Date: Jan 2008
Location: Aberdeen,nc/columbus,nj
Posts: 1,449
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well i was just trying to get some insite on the solids before i bougth them just to make sure i wasnt making a mistake going with solids
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Eric
07 Silverado 1500 5.3
01 Z28 6 speed
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12-15-2009, 04:30 PM
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#12
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Quote:
Originally Posted by emolineaux
well the car isnt a dd. its only coming out of the garage on nice days. im only planning on driving it like 4-6k miles a year.
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its still a street car. And I can't think of any benfit with solid mounts.
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2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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12-15-2009, 08:58 PM
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#13
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Join Date: Dec 2005
Posts: 396
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I have solid mount in my car you realy dont notice any more nvh, but I drive a gutted, full caged , fully rod ended suspension, aluminum seat,hot rod I can deal with it. For the false knock issue a guy on frrax had the sphon solids and was worried about the knock sensors so he did several hours of data logging on the street and on several road courses and the most he saw was one or two times when the computer pulled a degree or two of timing. So im not overly concerned if i was drag racing, or I was spraying the house down then maybe. I got them for the 9.5 lbs it saved me on the nose of my car.
Last edited by 198esp1; 12-15-2009 at 08:59 PM.
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12-16-2009, 12:50 PM
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#14
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Join Date: Jul 2009
Location: Bridgeport NJ
Posts: 165
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Save yourself the aggravation and go with the poly mounts. It's a job you only want to do once. Both of them do the exact same thing with one being much more forgiving.
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