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Thread: The SSD Portal Deletion

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Old 06-10-2019, 12:59 PM   #1
Join Date: Dec 2014
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Default The SSD Portal Deletion

I have tried to do many thorough searches through google and this site but have not seen anyone with this setup on their rig and how it worked. I am building a secondary rig to see if I can lose the weight on the TRX4. The first one I built trails beautifully but comps like crap. If I get no answers this will change because I have the parts on order to install this with underdrive front and rear and this will change to a review of some sort. Thanks!

Last edited by TinyJMods; 06-10-2019 at 01:01 PM.
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Old 06-23-2019, 05:39 AM   #2
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Location: Suffolk
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Default Re: The SSD Portal Deletion

I too have not been able to find a single person on here that has done this. I did some research into it and was planning on dropping to a 9 tooth pinion and under drive gears front and rear to get as much as I could of the gearing back. I think there are some people on the TRX-4 Facebook group that have done it.
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Old 08-21-2019, 08:04 AM   #3
Join Date: Aug 2019
Location: Arlington
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Default Re: The SSD Portal Deletion

Scale Builders Guild I believe on here as "ThatGuy" or something similar (I'm new so might be wrong) has done it just recently and liked it. He and Harley are doing a TRX-4 sport build off series.

Here's the portal delete episode (Week 11)


In some follow on, he found a small, 9T if I recall, pinion and fit a 48T spur to get the final ratios at the wheels back to something acceptable after the loss of the reduction in the portals.

Last edited by SlidePanda; 08-21-2019 at 08:06 AM.
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Old 08-21-2019, 09:10 AM   #4
I wanna be Dave
Join Date: Sep 2011
Location: Douglassville, PA
Posts: 2,833
Default Re: The SSD Portal Deletion

I have. I like it... different anyway. Definitely lowers COG, and looks way better imo. However say hello to torque twist and goodbye to that amazing pumpkin clearance... Everything is a tradeoff.

Starting at post #83: OSRC's TRX-4 Defender "Greybeard"
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Old 08-30-2019, 11:42 AM   #5
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Join Date: Aug 2017
Location: Fredericksburg, VA
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Default Re: The SSD Portal Deletion

Matt at SBG just finished a 16 week TRX4 Sport build and he used the SSD portal delete front and rear. Here is a running video of it with the delete kit installed.

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