Re: Fuel Air Mixture

Posted by Henrik Thostrup, Denmark on July 30, 1998 at 05:19:51

In Reply to: Fuel Air Mixture
posted by Mark Wheeler on July 29, 1998 at 23:28:41

Hi Mark
I would suggest that you check your chokerod, if it is a not original item many of them have a knob which is screwed on the rod, and most of them only turns the knob but not the rod, if it is so search for an original one and fasten knob with Loctite.
If original or not loose knob, the rod has to turn, otherwise something is wrong on the carburetor, start checking connection - if choke works it probably is OK.
Try to disconnect choke rod, and turn the needledriver direct on carburetor it has to do with fingers, if wrench is needed you have to restore your needle driver it has to go smooth and easy.
Sometime drivers tighten needle very hard, and at a time it stays closed as the needle seat is damaged, but if you are able to loose the driver it might work again, but I recommend to restore he driver and seat. Information about this can be found in Poul Mollers book about carburetors, it can be bought form Model A parts suppliers such as Snyder Antique Auto Parts, Ohio.
Setting on choke needle can be read in Instruction book, but normally ¾ - 1 turn (clockwise) when starting, but only ¼ turn when driving with warm engine, some time (ex. going up hills) you have to open valve, how much depends on conditions.
If car runs with closed valve with no problems I recommend renovating.
I have never heard of a gearchange problem as yours, if shifting is a problem it also has to be so between 2’end and 1’st and up through gears.
I think that you made your gearshift to early - with to high speed on car - if you made the change to 2’end with a speed of 45 km/h give a little gas it wont work, it will need lots of revolutions, and you probably still "lose" the shift.
Normally you don’t have shift to 2’end from high before car running 25 km/h - often when turning.
I suggest you try this way, reduce speed to 25 km/h clutch down, in neutral, give a little gas, clutch down and in 2’end. It takes some practice to drive with no sychromesh, especially if younormally are driving automatic (I know many Americans do so)
God luck
Henrik Thostrup
Bagsværd, Denmark

E-Mail Comment to Webmaster