wintertime weber jets

[InAccordance]

Anyone got any advice from experience of what are good jet sizes for cold weather? it's started getting cold around here and she's not running as well with the warm weather jets
temps are generally 20s to mid 30s during the winter here outside.

Thanks.

[2oodoor]

What are your warm air jets?
I think I put in 65, but it seemed like a 67 or a 62 was something I was going to try.
I had several different carbs and the manual choke carb was the least tempermental because I could taper the mixture from the driver's seat.
Another interesting option is using a water choke instead of electric.

Also giving the distributor a little two degree bump in advance helps, you can go over the OEM stated timing a bit when you do modifications.

[InAccordance]

main - 150
secondary - 140
pri. air-correction - 180
sec. air-correction - 165
pri. idle - 60
sec. idle - 50
accel pump jet - 70 single

this setup runs wonderfully above 50 degrees, but below that it really is a noticable difference.

it's electric choke but i was considering converting it to manual, I like them better as well.

[2oodoor]

I would try 65 P 55 S
I have a bunch of jets if you need but I would need to know which type you have large or small retainer. No you can't get my 55 though!

Seriously though the manual choke on the car I sold with a weber 32/36 would get up good in the cold with the choke pulled slightly after initial cranking. Then once the coolant warmed up I could pull it off completly. There is still a bit of hesitation using electric choke even after a few minutes warm up, yet the coolant isnt good and warm yet either so...

[2ndGenGuy]

I've always managed to get by just fine in the wintertime by adjusting the idle mixture screw. However, we don't have long, distinct seasons here. But it always seemed fine to me on the few days we get below freezing, and on the hot days over 100...

My choke does seem to get finicky in the cold, but after the car warms up, I never have any issues. Always wanted to try a water choke like roodoo suggested, as it will open when the car is ACTUALLY warm, as opposed to some arbitrarily heated electrical element.

[InAccordance]

i'm kinda the same way, I like being able to control things like the choke. I'll look into finding a manual choke for it.
roodoo, which jets are you talking about specifically, the mains or idle jets?
I've got a few kicking around... pretty sure ive got a 160 main.
As for retainer, tbh i'm not entirely sure, but it's just a 32/36 dgve

@ 2ndgen - around here our seasons are very distinct and last a fairly regular amount of time, so for me, it would be more benificial to rejet since it sticks to a regular weather pattern for a peroid of time.
Kind of a pain in the ass, but it does give me something to do

[2oodoor]

We have crazy weather here too, sometimes weeks of 30-45 degree differential in one day, run the heater in the am, AC in the afternoon!

Yes on the DF 32/36 I had originally used on the A20 I could just adjust the mixture with the idle screw.

Accordance I was talking about the idle jets not mains, also I haven't tried winter driving with the dual squirt (38 DG sych type) pump jet on a 32/36. That jet set up is on the jet thread, it worked quite well in warm weather.
So I dunno that could change things considerably but Im not sure which way

If you have already tried richening up the idle via the screw then I would try a higher number on the primary idle jet. You can do that in a few seconds since those are just in the side of the carb. Those are brass screw head plugs, and there are large and small ones (plug is also what Im calling the retainer) The jet is inside that retainer piece you take out.
On this subject too, look close at the orifice in the jet because sometimes they get junk in them, or get burrs. Ive had two of the same size jet have totally different effects so yes there are defective jets out there.

[InAccordance]

oh ok i see what your saying about retainers.
I have that type you described with the plug you take out and the jet is inside it.
when i rejetted it back a couple months ago I actually found a piece of something in there, not sure what it was, some black piece of something, lol
I tinkered with the mixture screw and it didnt seem to help much.
I dont have any 65/55 jets, i'll get em on order though and give it a shot.
I opted out of the double squirt cause i've read multiple things about them not being too great for automatics, once i convert it to a manual I'll pick one up though.
Thanks for the tip.