JMortensen Posted December 6, 2007 Author Share Posted December 6, 2007 Its just like you said, the mount is only pulled on in reverse. You'd have to do quite a few Rockfords to get into trouble, and I think it would be nearly impossible to tear it apart if you used the interlocking poly mount like I will. Quote Link to comment Share on other sites More sharing options...
neverenough Posted December 6, 2007 Share Posted December 6, 2007 Its just like you said, the mount is only pulled on in reverse. You'd have to do quite a few Rockfords to get into trouble, and I think it would be nearly impossible to tear it apart if you used the interlocking poly mount like I will. I'm interested in the mount you will be using, do you have any info on it? I was under the impression that most were just using a GM style poly transmission mount. Quote Link to comment Share on other sites More sharing options...
NZeder Posted December 6, 2007 Share Posted December 6, 2007 I'm interested in the mount you will be using, do you have any info on it? I was under the impression that most were just using a GM style poly transmission mount. Then energysuspension GM mount is an interlocking design so you should be ok if you are using one of these units see http://www.energysuspension.com/pages/mt_tr1.html http://www.energysuspension.com/pages/univ3.html Quote Link to comment Share on other sites More sharing options...
neverenough Posted December 7, 2007 Share Posted December 7, 2007 Then energysuspension GM mount is an interlocking design so you should be ok if you are using one of these units see http://www.energysuspension.com/pages/mt_tr1.htmlhttp://www.energysuspension.com/pages/univ3.html Thanks for the link. Does anyone have the part nunber for the energysuspension part number to use with the RT mount. Or are all the GM trans mounts the same? Quote Link to comment Share on other sites More sharing options...
smoorenc Posted December 7, 2007 Share Posted December 7, 2007 More Info: http://forums.hybridz.org/showthread.php?t=125585 I have been asked by a couple of fellow members where I got my energy suspensions mount from its part# 3.1108 and its something like $22.45 http://www.energysuspensionparts.com/proddetail.asp?prod=3%2E1108 Quote Link to comment Share on other sites More sharing options...
johnc Posted December 7, 2007 Share Posted December 7, 2007 I know it doesn't see much stress in reverse but if the nos of the diff. goes up when accelerating forward it should go down in reverse. I would like to have something under to keep it supported from below. Actually, a bad downshift will put as much or more load on the diff mount then loads from acceleration. Quote Link to comment Share on other sites More sharing options...
JMortensen Posted December 7, 2007 Author Share Posted December 7, 2007 Hmm... interesting point. Hopefully the ES mount will take that kind of abuse... Quote Link to comment Share on other sites More sharing options...
tube80z Posted December 7, 2007 Share Posted December 7, 2007 That's easy, just don't screw up Quote Link to comment Share on other sites More sharing options...
Guest 280ZForce Posted December 8, 2007 Share Posted December 8, 2007 More Info: http://forums.hybridz.org/showthread.php?t=125585 I have been asked by a couple of fellow members where I got my energy suspensions mount from its part# 3.1108 and its something like $22.45 http://www.energysuspensionparts.com/proddetail.asp?prod=3%2E1108 If you buy it through amazon.com it's actually saves you $3.83 total after shipping... I bought mine from amazon.com. http://www.amazon.com/Engine-Suspension-3-1108G-Hyper-Flex-Transmission/dp/B000CN956K Through energy suspension is $29.43 shipped Through amazon.com $25.60 shipped Quote Link to comment Share on other sites More sharing options...
bjhines Posted December 8, 2007 Share Posted December 8, 2007 If you are using the RT mount then the nose of the diff will be very close to the crossmember. I am going to put a piece of rubber in between them to limit the downward movement of the diff. Quote Link to comment Share on other sites More sharing options...
Kbhead Posted February 17, 2008 Share Posted February 17, 2008 Jon, If you do not use the crossmember how are you attaching the rear control arms? Kim Quote Link to comment Share on other sites More sharing options...
JMortensen Posted February 17, 2008 Author Share Posted February 17, 2008 I've welded in monoball holders and modified the arms to match. More info here: http://forums.hybridz.org/showthread.php?t=106457 I think this idea of getting rid of the crossmember would work for someone who was still using regular bushings. They'd just have to cut the crossmember up and use the bushing straps and throw away the rest of it. EDIT--Actually I just checked the first page of this thread and all the info is right there, so don't bother looking up the old thread, unless you're just curious about that project... Quote Link to comment Share on other sites More sharing options...
z-ya Posted February 18, 2008 Share Posted February 18, 2008 If you are using the RT mount then the nose of the diff will be very close to the crossmember. I am going to put a piece of rubber in between them to limit the downward movement of the diff. I did the same thing when I put my RT mount in. Dropping the bolts down from the top makes it easier to swap diffs, but the nuts will hit the cross member. I bolted up the cross member, removed it, and drilled holes where the nuts left indents. For some reson I have a lot more room between my cross member and the diff. It shouldn't make contact. Quote Link to comment Share on other sites More sharing options...
jeromio Posted February 19, 2008 Share Posted February 19, 2008 Actually, a bad downshift will put as much or more load on the diff mount then loads from acceleration.YOu say "bad" downshift, but really any downshift is going to push the nose of the diff down with considerable force. Not as extreme as accel on launch, but certainly a significant force that the mount is going to see over and over. I also wonder about the added ease of diff R&R w/out the diff x-member. Two bolts instead of 4? Added exhaust clearance is definitely a plus though. Quote Link to comment Share on other sites More sharing options...
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