[TR] zenith or su's ?

[Brian Jones]

Are you using stock needles? You can only set richness at idle, effectively.
Needle taper determines the off-idle richness. IIRC, my SU's (H6) have RH as
the stock needle.

You should expect all the power you had from the Strombergs, and more if one
was either rich or lean before.

Brian

On Mon, Nov 30, 2009 at 1:44 PM, Mike H <tr_man at hotmail.com> wrote:

>     I have a slightly modified TR-250 that has run great with the Zenith
> Stromberg carbs. Only problem is I have always had problems getting them to
> the proper mixture settings. Its like one carb will be running lean and the
> other rich. I've checked the intake and carbs mountings. So I decided to
> put
> on HS6 SU's. Found out this is far from simple. I've modified the linkage
> to
> work, still not happy with the throttle return springs. Put on different
> float
> bowls at the recommendation of a carb expert from the east coast, and yes
> the
> adaptors are in to make the bowls level ( they are angled on a 4a). Long
> story
> short, the car doesn't have as much power as it used to, its like its not
> getting just quite enough gas. I know I have the mixtures correct. I
> debating
> about going back to the Strombergs,..in other words..I'm getting
> frustrated...any thoughts from people out there?
>
>
>
> Mike
>
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