Re: [alfa] Re: Duetto Vs. later Spider suspension geometry

[Paul Bayly <thebaylys@xxxxxxxxxxx>]

Thanks once again John.

Additionally, as numerous kind Alfisti have advised, the later spindle has
the benefit of the Ate brakes in lieu of Dunlop.

Beatle
Oz
----- Original Message -----
From: "John Hertzman" <johnhertzman@domain.elided>
To: "alfa-digest" <alfa-digest@domain.elided>
Sent: Tuesday, November 04, 2003 2:42 PM
Subject: [alfa] Re: Duetto Vs. later Spider suspension geometry


> Beatle Bayly asks about the raising of the roll-centre on the front
suspension geometry when the roadsters went from the 1600 Duetto to the 1750
(roundtail), which was supposedly successful in significantly reducing the
lean of the car in corners (coupled with a front anti-sway bar.)
>
> This was the subject of a protracted discussion and some confusion on the
digest a few years ago. The GTA front suspension geometry had been altered
by the addition of a knuckle riser, and the lessons learned from the GTA
experience led to a redesigned steering knuckle on the 1750  not primarily
the Spider, but all three body styles. On the stock road cars this was
virtually the only front suspension change, and the only one which affected
suspension geometry. The roll bars stayed the same, springs and spring pans
changed with body style and consequent weight, a few parts (like rubber
snubbers) changed between the very earliest TI and Super berlinas and the
later cars, but the steering knuckle (fuso a snodo) was the change that
counted; changing it from the pre-1969 part to the post 1968 part should do
the trick.
>
> John H.
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