Author Topic: A Few Questions  (Read 596 times)

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un4seen4

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Re: A Few Questions
« on: Aug 08, 2019, 08:15:08 PM »
6 stud knuckles is a bandaid.  studs break because of movement in the knuckle that putting side load on the stud, snapping it off.  2 things that help with that: first and most important, just check the torque on your steering arm nuts occasionally, should be around 70 ft lbs.  Second, as toyodaaddict suggested, 25mm pins.  The larger pin and bearing, help eliminate some of the side to side innate motion in the knuckle plus is just larger stronger pin.  Given the 6 stud arm can apply more pressure through 6 studs to help keep the arm tight, but still needs to be checked for torque, and only uses a 17mm steering pin.

Stock pump with a cooler should be fine.  Thats what Marlin, Mike and most other people at the shop use, and have no problems.  If you are looking for an upgrade, PSC makes a High Output Pump for a little more pressure, but as long as the pump is still working good I'd just leave it. 

Yes.  The FJ80 brake master cylinder is a great upgrade.  But it has to be the right FJ80 Application, the US model FJ80 brake master cylinder has a different electrical connection.  the proper one can be found at https://www.marlincrawler.com/brake/master-cylinder/big-bore-fj80-brake-master-cylinder

Thinking about the mechanics of the knuckles more, the 25mm upgrade makes more sense than shelling out for 6 stud knuckles. thanks TRevv and toyodaaddict

The truck is kinda a ride it till it dies/breaks so pump is staying in :D

Ill put the 80 MC on the list then
« Last Edit: Aug 09, 2019, 08:28:18 AM by un4seen4 »

 
 
 
 
 

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