Trailer - challenge truck build

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Diff day :D

After chatting to nige at megasquirt and a local welding expert ive decided to leave the pegging for now as I havent got the kit to do it properly first time. Ill get pegged casings and 4.1 gears when funds allow next year to help with 35" tyres but I can't justify another 800 at the moment especially seeing as ive never broken a diff in my life and now have 4 pin ashcroft units.

So I started building my ashcroft set up :)

Comparison between ashcroft locker (left) and standard 2 pin right :) she's heavy !!!



First drilling and tapping the hole for the air supply in the casing. 11.5 mm drill then tapped to 1/4 bsp to fit the fitting :)


We then fitted the new bearings and checked the pinion bearing pre load, it was preety close but a little tight so needs a 1 thou spacer that will be ordered monday. We then fitted everything together checked that the crown wheel was true and started setting up the backlash which has to be within .20 to .25 mm


Torqued everything down and fitted the air pipe



Just the shim and oil seal to fit and she's finished :D

1 more to do after christmas shopping tomorow :doh: then can drop the axles underneith over christmas :D
 
Started looking at dropping the new axles under and seeing where everything should go. Shouldnt be too hard to set up the rear the front may be more interesting :)


Approximate width differnce (remember though disco 2 wheels have opposite offset to 90 so the track width shouldnt be massively wider as standard :)


Done abit of wrapping too :)


Things moving on :)
 
IamRobbie said:
Better then I'm guessing? how come?
Click to expand...

The width gives better stability and the reduced offset helps protect the wheel bearings as there is less pressure being put on them. They accept bigger shafts and have no drive flanges to wear.

The front axle width allows for more steering angle and so a better turning circle, there is an open knuckle rather than a swivel on the front and so no swivel to snap (seen it many times) and also allows for a MASSIVE CV unit in the front and so alot stronger

The suspension design allows for more flex as there is unrestricted movement at the chassis end so no dohnut bind and the raduis arm bushes have more rubber to allow them to flex more. Also making the rear arms longer to give more controlled suspension (less axle walk)

Bigger brakes. Easy to strip down (a diff can be swapped in 20 minutes on either axle etc etc :)
 
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