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| Filled mounts and no balance shafts. Need to soften it up http://www.4g61t.org/forum/viewtopic.php?f=22&t=38138 |
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| Author: | Eville140 [ Wed Sep 25, 2013 7:28 pm ] |
| Post subject: | Filled mounts and no balance shafts. Need to soften it up |
My 4g63 colt is just about ready for the road. It's going to mostly bes fun street car and I'm pretty sure my wife will want to drive it every once and while. The way it sits now with the balance shafts removed and the window weld motor mounts the car shakes pretty good at idle. The motor is stock bottom end with arp mains, and head bolts. Mls gasket Som type of mild regrinds Custom mani with precision 6262 and 38mm gate And a big front mount Running megasquirt with just 550 injectors. Plan is on around 300hp so I'd rather not run all stock mounts, if I was too replace two of them with stock which would be my best bet to knock some of the shake out without letting the motor flop around? Thanks Randy |
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| Author: | Flying Eagle [ Thu Sep 26, 2013 12:19 am ] |
| Post subject: | Re: Filled mounts and no balance shafts. Need to soften it |
Transmission mount and timing belt mount. Front to back are the ones that get rocked around really good, when loading the drivetrain. Many people put in solid mounts, but everything gets transferred to the transmission and axles at that point. |
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| Author: | Eville140 [ Thu Sep 26, 2013 2:04 pm ] |
| Post subject: | Re: Filled mounts and no balance shafts. Need to soften it |
Thanks, I'm going to try un window weld those or drill some holes. Of that doesn't get it I'll hit the junkyards or pick up some new ones. |
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| Author: | Eville140 [ Thu Sep 26, 2013 4:20 pm ] |
| Post subject: | Re: Filled mounts and no balance shafts. Need to soften it |
Pulled those two off and the window weld pried right out witha screw driver. The mounts turned out to be brand new, guess the person who started the project bought new ones all around to fill. Back in the car and it made a huge difference. Thanks |
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| Author: | Flying Eagle [ Thu Sep 26, 2013 10:44 pm ] |
| Post subject: | Re: Filled mounts and no balance shafts. Need to soften it |
Great to hear. I run urethane inserts at all 4 engine bay corners, and well, it's a serious amount of vibration ... but I have balance shafts. Sounds like you have a fun project on your hands. |
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| Author: | Moulin13 [ Thu Sep 26, 2013 11:37 pm ] |
| Post subject: | Re: Filled mounts and no balance shafts. Need to soften it |
What are your power goals? big rpms? big hp? If you just want a fun DD i would put the balance shafts back, you and your wife will enjoy more the rides with them, just try to go with a good quality timing belts, kevlar timing belts would be the best... |
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| Author: | Eville140 [ Mon Sep 30, 2013 8:27 pm ] |
| Post subject: | Re: Filled mounts and no balance shafts. Need to soften it |
Doing the two side mounts made it plenty smooth. Not sure of where our will end up yet, but already have a pretty quick little straight line hatch. Pretty sure an awd swap will be in its future though.  http://www.eville140.com/colt/Sept1.jpg http://www.eville140.com/colt/Sept2.jpg http://www.eville140.com/colt/Sept3.jpg |
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| Author: | Mechacode [ Tue Oct 01, 2013 2:32 am ] |
| Post subject: | Re: Filled mounts and no balance shafts. Need to soften it |
I filled my front/rear mounts and ran without a tranny mount. It was crazy enough to work and it did. Only thing that went badly was the edge of the inner body structure wore into my tranny case, nothing a tiny glob of rtv couldn't fix. I eventually stuck a tranny mount in though, didn't change too much. |
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| Author: | Flying Eagle [ Tue Oct 01, 2013 7:46 pm ] |
| Post subject: | Re: Filled mounts and no balance shafts. Need to soften it |
Last pic shows a serious amount of frontage for an intercooler! Spearco type design strategy I assume. |
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| Author: | Eville140 [ Tue Oct 01, 2013 10:27 pm ] |
| Post subject: | Re: Filled mounts and no balance shafts. Need to soften it |
Quote: Last pic shows a serious amount of frontage for an intercooler! Spearco type design strategy I assume.
Just a core I had laying around so I made it work. Should cool very well with next to no pressure drop.
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| Author: | Crackerman [ Wed Oct 02, 2013 3:09 pm ] |
| Post subject: | Re: Filled mounts and no balance shafts. Need to soften it |
the first time you seriously wheel hop that thing with the soft mounts you may regret it... |
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| Author: | king_of_the_street [ Tue Oct 08, 2013 10:31 pm ] |
| Post subject: | Re: Filled mounts and no balance shafts. Need to soften it |
looks nice, like the two cars side by side! I to am using window weld all 4 mounts. I made sure to do them right, I felt it in the wheel at idle. I think I just got use to it, differently makes a difference. I also eliminated the rubber bushings for the cross member, all solid. |
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| Author: | turbotom20g [ Fri Nov 15, 2013 10:44 am ] |
| Post subject: | Re: Filled mounts and no balance shafts. Need to soften it |
How did you remove the balance shafts? A 4g63 with out balance shafts removed correctly shouldn't shake as much. |
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| Author: | Eville140 [ Fri Nov 15, 2013 10:07 pm ] |
| Post subject: | Re: Filled mounts and no balance shafts. Need to soften it |
Quote: How did you remove the balance shafts? A 4g63 with out balance shafts removed correctly shouldn't shake as much.
Just used one of the kits that came with bearings, stub and cap.
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