Peter is that this thing? I saw this in my February 62 issue of car and
driver
On Aug 31, 2011 AD, at 8:29 AM, Peter Caldwell wrote:
> In my opinion, the best synching tool is the S.U. kit with the 2 wires.
(there are other tools in the kit as well) I like it as the UniSyn is too
variable... the reading changes as you move it around the face of the carbs,
and it alters the carb's function as it is obstructing the flow.
>
> The wires work at any RPM. They don't affect the running of the carbs. They
are actually giving you the relative height of the pistons which is directly
affecting the needle height, and mixture. The Unisyn only gives you the
relative butterfly opening which is valid if and only if the needles and
piston weights and springs and piston interference are identical. The wires
compensate for some of that. (not all as we are not actually reading mixture)
>
> There, I've said it. (oh, and the new Unisyns that I've seen are crap) I
have a selection of "Unisyns through the ages. From the German made Motometer,
through Edelbrock, and newer.
>
> Peter C
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