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PostPosted: Thu Apr 30, 2015 12:58 am 
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Spends Too Much Time Under The Hood
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Location: Denver, Co
Well here we go again, second time at the track this year and I keep breaking the same axle (short passenger side), first time I went same thing, I don't really know if it's a motor mount problem or what, I dont get it since last year everything was fine, no broken axles and motor mounts were fine, last year I was on a passenger side DSM axle but since one boot was torn I replaced it for a new Original Turbo CSM unit for this year, now I started having this issue may be just a coincidence , also we aligned her because alignment was wrong too, being honest I don't feel like the Colt needs motor mounts but they are just regulars so I was thinking if should I get polys but also I don't know which kit should I get, then if it is not a motor mount problem what else could be?

Suspension Setup on my Colt:

Expo-Vista Spindles with AWD Brakes
Stock CSM struts modified to accept the Expo knuckles
Stock CSM control arms
Elantra Sway bar with Link kit
Surtrack CSM Turbo driver side axle with DSM half shaft
Carquest CSM Turbo passenger side axle (broken now)


any help would be appreciated, thanks!

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91' Mitsubishi Colt 4G67T FWD "The Minion" - 12.26@118
94' Mitsubishi Galant GS 4g63 Swap "White Unicorn"
95' Eagle Talon Tsi FWD "Ernie's car" - 13.92@104 *Rest In Parts*


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PostPosted: Thu Apr 30, 2015 6:40 am 
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CSM Junkie
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Location: Indianapolis, IN
Once you replace the axle, have you thought about cruising around without the hood for about an hour and using a gopro to film the motor on some launches and such? It would give you an idea on the movement. As for Poly Mounts, pretty sure a set of Prothane mounts for a DSM will work, I know my colt is using a front and timing side Prothane.

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Thom
1991 GVR4 1025/2000 (PTE 1200's, 16g, DSMLink v3, gm-maf, eagle/ross, .020 over, 272's, EVO VIII Wheels)
1992 GVR4 866/1000 (getting everything from above)


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PostPosted: Thu Apr 30, 2015 8:34 am 
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Some call me a god
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If you're on stock mounts that motor moves quite a lot. I drove around for a bit with my hood off and it was a scary sight, all of the mounts were in good condition too. What were you doing when the axle broke?

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PostPosted: Thu Apr 30, 2015 3:29 pm 
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Spends Too Much Time Under The Hood
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Location: Denver, Co
Quote:
If you're on stock mounts that motor moves quite a lot. I drove around for a bit with my hood off and it was a scary sight, all of the mounts were in good condition too. What were you doing when the axle broke?

yeah I think that too it was during the launch

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91' Mitsubishi Colt 4G67T FWD "The Minion" - 12.26@118
94' Mitsubishi Galant GS 4g63 Swap "White Unicorn"
95' Eagle Talon Tsi FWD "Ernie's car" - 13.92@104 *Rest In Parts*


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PostPosted: Thu Apr 30, 2015 3:34 pm 
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Spends Too Much Time Under The Hood
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Joined: Fri Mar 22, 2013 2:25 am
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Location: Denver, Co
Quote:
Once you replace the axle, have you thought about cruising around without the hood for about an hour and using a gopro to film the motor on some launches and such? It would give you an idea on the movement. As for Poly Mounts, pretty sure a set of Prothane mounts for a DSM will work, I know my colt is using a front and timing side Prothane.

that would be great but I don't have a gopro hehe :oops: so a prothane kit for a 1g DSM would work on CSM motor mounts?

_________________
91' Mitsubishi Colt 4G67T FWD "The Minion" - 12.26@118
94' Mitsubishi Galant GS 4g63 Swap "White Unicorn"
95' Eagle Talon Tsi FWD "Ernie's car" - 13.92@104 *Rest In Parts*


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PostPosted: Thu Apr 30, 2015 9:41 pm 
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Location: Stantonsburg, NC
I remember back in the day Paul (pma1123) custom made a run of inserts. According to him the front roll stop took the most abuse so maybe just replace that one and see how things go. Not sure that I'd want to do all of the mounts for a DD.

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PostPosted: Fri May 01, 2015 9:12 am 
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http://www.4g61t.org/forum/viewtopic.ph ... ts#p221518

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06 Silverado SS
07 ZX6R


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PostPosted: Fri May 01, 2015 2:00 pm 
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Location: St. Louis, MO
DSM poly mounts. Three 13-501's and one 13-506 with modification.


http://www.4g61t.org/forum/viewtopic.ph ... oly+insert


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PostPosted: Fri May 01, 2015 9:53 pm 
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Joined: Fri Mar 22, 2013 2:25 am
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Location: Denver, Co
thanks for the replies guys, so I checked my Motor mounts and timing side nut was loose, so I'm assuming that was the problem, I had a transmission mount for a 2g with a poly insert and I was able to use it on it just to be sure, also I replaced the front one with a filled one that I made weeks ago, I used window weld by 3M on this one, I hope this solve my axle issues plus engine feels more firm than before....

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91' Mitsubishi Colt 4G67T FWD "The Minion" - 12.26@118
94' Mitsubishi Galant GS 4g63 Swap "White Unicorn"
95' Eagle Talon Tsi FWD "Ernie's car" - 13.92@104 *Rest In Parts*


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PostPosted: Sat May 02, 2015 6:00 pm 
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Out of curiosity, how is the axle breaking and what part is breaking? Wheel hop kills axles quickly. Is it breaking at the cv joint or snapping the actual shaft?

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'89 Colt GT w/bigger than stock turbo
'91 Talon AWD w/bigger than stock turbo
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PostPosted: Sat May 02, 2015 6:46 pm 
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Pics on the FB indicate the shaft right below the or just inboard of the strut base IIRC.


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PostPosted: Sat May 02, 2015 9:45 pm 
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First axle (thin one) was broke right in the middle, second axle (thicker than previous) right where the inner cv boot starts which it supposed ti be the thinner part of the axle, I wouldn't want to blame the quality here, that loose bolt on the timing side could be the mayor issue, plus front was stock too...

_________________
91' Mitsubishi Colt 4G67T FWD "The Minion" - 12.26@118
94' Mitsubishi Galant GS 4g63 Swap "White Unicorn"
95' Eagle Talon Tsi FWD "Ernie's car" - 13.92@104 *Rest In Parts*


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