Has any one used a Gunson Gastester exhaust gas analyzer tester?
http://www.ebay.com/itm/Gunson-Gastester-exhaust-gas-analyzer-tester-/280681199112
A friend of mine has an old old unit (different brand) that he says
helped him a lot. He had thought he had it tuned, but when hooked the
gas tester up, he found he was rich throughout the whole range. He
leaned it out and it ran better and he got better gas mileage.
Roger Elliott
On 01/03/2014 04:49 PM, Geo Hahn wrote:
> Wellsir, you're getting an array of advice.
>
> Perhaps a better starting point is the problem you're trying to solve, i.e.
> black exhaust, poor mpg, fouled plugs, poor performance, rough idle, etc.
>
> I do not know which ZS carbs you have -- the early ones had a simple nut
> adjustment like the old SUs, I think the later ones had a different adjust
> (from the top) and then came ones with no means of adjustment provided.
> Which you have will also suggest solutions.
>
> The manuals guide you through setting mixture at idle and some tools allow
> it to be set at high RPM (I use Colortune) and in the end driving and
> reading plugs will tell you much. It all seems a bit inexact with carbs
> but certainly one can get a satisfactory result on an otherwise correct
> set-up.
>
> Geo
>
>
> On Fri, Jan 3, 2014 at 10:50 AM, Sujit Roy <triumphstag@gmail.com> wrote:
>
>> This is for a Stag with the original twin ZS set up
>>
>> Sujit
>>
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