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Originally Posted by NX74205
Ah yes, I remember that now. Newfalcon.com.au was the website - which doesn't exist anymore. I remember being particularly excited by the BA's drive-by-wire throttle, in-glass radio antenna, and the windscreen washer jets being hidden under the trailing edge of the bonnet. That was fairly radical at the time, if I recall. All these advances in design and engineering made me fall in love with the BA even before it was released.
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It was all about the engines for me, especially the new DOHC 24-valve cylinder head on the inline 6. To this day, I still love these images..................
Sure, that early Barra 182 was still a little vocal at the top end, but it was worlds apart from the rough as guts SOHC version.
I think a lot of the smoothness came from the superior valve actuation. The SOHC head used large traditional rockers, similar to an OHV pushrod engine. The cam would bump the rocker from below, so it basically ran like an OHV engine would, as in rough up top.
The DOHC head used the same layout as the Duratec engines elsewhere in the Ford world. These used quite small "finger follower" roller rockers, the came would press down on the rocker. Overall, a design that offered more refinement and less clatter and wheeziness.
Most would realise, but the FG-spec 4.0 engine got a revised cylinder head, check out the non-symmetrical combustion chamber.
