The purpose of installing the two inch block on assembly is so that the rubber
bushings in the suspension will be set in a neutral position when you tighten
the set pins. Without them the bushings will be set at the lowest limit of
suspension travel and when the car is assembled and sitting on the ground the
bushings will be stressed beyond their limits and destroyed. This may not
apply to nylon or hard plastic bushings which are free to turn in their
seats.
Bill Lawrence
BN1 #554
> From: p_cquinn@tpg.com.au
> To: healeys@autox.team.net
> Date: Sun, 16 Jun 2013 09:24:02 +1000
> Subject: [Healeys] Two-inch Blocks
>
> G'day
>
>
>
> No doubt we all know about the 2in blocks that should be placed under the
> front shock absorbers arms when an Austin-Healey is off the ground.
>
>
>
> Well yesterday I refitted the front springs to the BN3. Apart from having
> lots of fun lining up the holes for the bottom spring plates and the
> wishbone arms, it all went well.
>
>
>
> However it was when I was half way through when I remembered about the 2in
> blocks. So one side has the block and on the other the shock arm is
pressing
> down hard on the new rebound rubber.
>
>
>
> Normally it would be a simple matter of just placing the trolley jack under
> the spring plate and lifting it up, but there is no engine in the car and
> all that happens is that the whole front of the car just lifts.
>
>
>
> Any suggestions? Apart from getting a couple of burly blokes to stand on
the
> chassis rail I can't think of what to do. No I do know want to take the
> spring out and start again.
>
>
>
> Hoo Roo
>
>
>
> Patrick Quinn
>
> Blue Mountains, Australia
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