used the colortune
Discussion
for years my car had a stammer on acceleration i bought manometers, carbtunes, etc and always had my carbs balanced perfectly but to no joy I went out and bought a colortune what can I say best investment ever, car now runs so smooth, is so quite, and is a hell of a lot easier on the juice and has more power! if you dont have one go out and get one
Colourtune is a special spark plug.
It has the basic properties of a spark plug, although it's perhaps less critical that the gap is adjusted correctly. I guess it wouldn't last nearly as long as a normal one.
The ceramic insulator is replaced by a lump of glass. The outside part of the electrode has a long flexable extension, which plugs into the normal HT lead.
You start the car with the special plug in, and you can see the flame in the cylinder. By playing with mixture, accelerator pump, revs, timing, and so on you can adjust for an optimal "blue flame", rather than the sub optimal "yellow flame".
The thing about it is that you can measure the "thing that matters" under any sort of dynamic influence. It's ideal for sorting dynamic problems. Static mixture is easy to set up. Dynamic mixture is not.
>> Edited by dilbert on Tuesday 11th October 04:27
>> Edited by dilbert on Tuesday 11th October 04:28
It has the basic properties of a spark plug, although it's perhaps less critical that the gap is adjusted correctly. I guess it wouldn't last nearly as long as a normal one.
The ceramic insulator is replaced by a lump of glass. The outside part of the electrode has a long flexable extension, which plugs into the normal HT lead.
You start the car with the special plug in, and you can see the flame in the cylinder. By playing with mixture, accelerator pump, revs, timing, and so on you can adjust for an optimal "blue flame", rather than the sub optimal "yellow flame".
The thing about it is that you can measure the "thing that matters" under any sort of dynamic influence. It's ideal for sorting dynamic problems. Static mixture is easy to set up. Dynamic mixture is not.
>> Edited by dilbert on Tuesday 11th October 04:27
>> Edited by dilbert on Tuesday 11th October 04:28
no..... not assuming that at all just this seems to have done the trick no stammer,,, much smoother idle,,
and easier on the jungle juice, yeah I agree hooking her up to a krypton analyser on a rolling road would be much more accurate but for the first time ever I have an esprit running like I always thought it should
CD
and easier on the jungle juice, yeah I agree hooking her up to a krypton analyser on a rolling road would be much more accurate but for the first time ever I have an esprit running like I always thought it should
CD
Not knocking a good result -- these things can and do work well.
The problem is that mixture under load is bit different, and you can't test that with the colortune. Only on a dyno. Not as key for a street car, but for a track or race car that lives in the higher RPM ranges -- you need the dyno to make sure Air Fuel is correct up top.
The problem is that mixture under load is bit different, and you can't test that with the colortune. Only on a dyno. Not as key for a street car, but for a track or race car that lives in the higher RPM ranges -- you need the dyno to make sure Air Fuel is correct up top.
I also used the Colortune (actually used two of them) last weekend for tuning my Elite's SU-carbs. Worked like a charm and is very easy to use 
I like that.
Marcus
www.PUKesprit.de
I like that.
Marcus
www.PUKesprit.de
3 week later and it still gets my vote car is the smoothest she has ever been, however still runs like a bag of shite on cold startup varying between 950 an 1100 rpm and but once she hits 50 degrees (according to the temp on the dash she settles down to 900 RPM completely steady) it's almost as if it had an auto choke!
CD
CD
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