I've been wondering this for my chassis swap as the front springs on mine are progressives but they're the opposite way up on each side.


It shouldn't really make any difference as the spring just compresses and extends as a function of the load on it and the speed of compression (its only a curly bit of metal trapped between two plates which can move in one direction when said and done). If it were me I'd put the closed ends uppermost for a couple of reasons.

1. With the open coils at the bottom there is less chance of mud etc being trapped in that area (easier to clean) so less chance of rot setting in.

2. If you are fitting lower spring retainer it might be easier to get to (better access)?
 
havnt been able to get much done on the project this last couple of weeks. but did get all the bits of the hi lift back from the powder coaters. wanted to be a bit different ha

 
It shouldn't really make any difference as the spring just compresses and extends as a function of the load on it and the speed of compression (its only a curly bit of metal trapped between two plates which can move in one direction when said and done). If it were me I'd put the closed ends uppermost for a couple of reasons.

1. With the open coils at the bottom there is less chance of mud etc being trapped in that area (easier to clean) so less chance of rot setting in.

2. If you are fitting lower spring retainer it might be easier to get to (better access)?

Yes, tight coils at the top so you can get a spanner (or sometimes even a socket) on the bolts. Even if you've not got retainers, you'll want to bolt the spring pans to the axle.
 
Sorted out the main wiring loom today. Fixed a few chaffed wires and moved the fog and hazard switch to the middle so can be fitted to late type td5 dash.

 

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