question to those that know....

[bis13]

righto i have a question to ask and may sound stupid but hey whats new? i have a bizarre "turbo" gizmo with a fan inside it designed to agitate the fuel vapour as it enters into the single inlet after the carburetor, we have all come to agree that this gadget is probably of no use what so ever however.... my question is this, if this unit is attached to the engine do i set the carb normally as the air/fuel mixture will then run lean as the turbo device has another air screw, do i run the carb rich and set the mixture afterwards using the screw on the turbo? my thinking is if i attach this turbo doodah will the amount of fuel that the carb is normally able to deliver be increased thus possibly adding to its performance being adjustable by the air fuel mixture screw on the turbo thing? does that make sense or am i just an idiot and so makes some sort of sense to me? help!     

[smallcox]

Hi Spliff smokin Island man,

If i think what you think, I beleive the standard carb setting will apear rich to the engine so the air bleed screw on the device will require to be opened until the mixture is compensated.

Does this help, No I didn't think so

[dajwid]

Turbinka Kowalskiego 'Kawalki's Turbo'

Supposedly use less petrol, smoother running and more power.

http://www.terytorium126p.pl/Silnik/Turbinka-Kowalskiego.html

http://www.eioba.pl/a/1oqd/turbinka-kowalskiego-czy-klamstwa-jaruzelskiego

http://mfk126p.nazwa.pl/dzial.php?id=1004

All in Polish so will need to use Google translate.

Some reviews say they are great others seem to say they do nothing.
Must be worth a try though.

[bis13]

right then Steve you got my drift good and proper if we work on that basis does it not mean as i am bunging more juice in via the stock carb and adding air via the turbo doodah wotsit then the result would be a better explosion in the chamber as i am getting more fuel into it? the reason i am thinking this is as i have nothing better to do and found it clearing out bits and bobs in my sheds. i am in two minds as to go into full "rusty testing period" to see what meaningless info i can fathom from it. Dave as for saving fuel that is not where i am looking at, if not i shall donate it to the recycle box... cheers

[popik81]

very good sites... have buy one, but i heard they can be broke after 10kkm...

[Hazey-n-Marc]

I may also be an idiot, but, if this device increases the vaporization of the fuel in the carb it may run better with the fuel mixture turned down a touch.
Any chemistry/physics teachers out there? The oxygen is as important to the explosion as the petrol vapour, if the petrol is well dispersed you shouldn't need as much.
I think

Marc

[nrg19uk]

They are broke after 10k km  lol I think there loads more parts to worry about on our little fiats. Have you tried running it with the carb set how it was?

[Hazey-n-Marc]

This might help a bit.
http://www.lpgc.co.uk/index_files/Page3127.htm

If I understand this correctly, the best way to set it should be so it runs with slightly less power with the choke on when it has heated up.

Might turn my fuel mixture up a bit more again.

[Pete126]

Hi Mick,

If i think what you think, I believe the standard carb setting will appear rich to the engine so the air bleed screw on the device will require to be opened until the mixture is compensated.

Does this help, No I didn't think so

What Steve is saying, The mixture screw at the bottom of any fixed jet carburettor only adjusts the mixture on Idle Its put there so the engine can run smooth on tick-over, that's all it does.
Once the butterfly on the carburettor opens the main jet takes over, This is a fixed jet on both the aircooled and watercooled carbs, so this mixture can not be adjusted unless you use different main jets/emulsion tubes and air correction jets, That's why there is an air correction adjustment on the turbo device, The way i would set it up is to get the engine working on the main jet (colortune if you got one) then adjust the idle and mixture on the carb to suit    

[bis13]

so in other words i was talking stupid..... i might as well just change the carb for another! it was just sitting there and i thought it would be worthwhile seeing if it could have some use. perhaps i can make an ashtray out of it....
 

[Pete126]

No No! The idea of the gizmo is to cram more fuel/air into the cylinders to create more power, but you can't adjust the mixture once the carb switches over to the main jet (the primary circuit) So i would setup the general running first (driving the car on the road) with the adjustment on the gizmo, then if it won't idle set the adjustment on the carb.

Whether it works or not i have know idea

[Hazey-n-Marc]

 
So, is the only way to sort out lean running is to rebuild the carb?
Are there any different jets available?

[Pete126]

Hi Mark, You got it only when you play around with different Camshafts and other tuning mods should you need to change jets in the primary and secondary circuits. If you lean the mixture off too much on our engines you run the risk of a melt down because the engine will produce more heat and less power, Some owners of Race/Rally cars spend 100's of £'s on trips down to the rolling road to setup mixture and timing but that's not necessary for a standard motor where the carbs are designed and setup for performance and economy

[bis13]

right i think i might understand if i read that a few times! i might have a period of experimentation to see if this wonderful piece of engineering works then, i have just rebuilt three carbs that i had sitting in a tin in one of my sheds and need to pull the one off that is sitting on the engine when i do i shall bung it on and see, i am unable to drive at the minute and am looking for "jobs" to do as the boredom has set in good and proper. my next "job" is  attempting to "cook" a cylinder head at 150degrees for an hour and bash the valve guides out...question is what do i use vegetable or olive oil?     

[Hazey-n-Marc]

Add a sprig of rosemary as well.