Here are some images of a Weber 45DCOE install i did on my car with information from this valuable place. Open to opinions if anything needs to be changed.

2.5 psi
250 needle valve
45 accel pump jet
60f9 idle
f11 emulsion
200 main jets
175 air corrector
36 mm chokes
2.5 turns out mixture screws

 

Why does everybody think that carbs are completely static and "one setting to rule them all"?

You're gonna need to play with it to get it right. Get a wide band and make adjustments. Then play some more and more and have fun with it.


Looks like a good carb and shinny too.

 

Yes a wide band would great will do some searches on the install for these cars.

 

Get a Innovate LM-2. It gives you a bar graph of the last 10seconds of afr's. Its super helpful cause you don't have to keep an eye on it while you are driving.

And if you don't want to weld on a bung to your exhaust you can clamp the O2 sensor on the tail pipe; however, I don't think that is very accurate.

 

Why do you have 2 regulators on there? That flat dial mr gasket one is a piece of crap and will
hurt the flow at WOT and not be accurate at any time. Remove it and just adust the holley
down to about 3 psi and get an accurate guage to measure the pressure. Your install looks nice
but with that setup you will be disappointed.

What fuel pump are you using? What its rated GPH?

 

I was waiting for someone to say that, 2 regulators because the Holley bypass that i bought would only go down to 4 and i wanted it down to 2.5. Here is a video taken a few months back with gauge. Using a Mr. gasket 12s 35 gph.

 

Thats just enough for a stock nikki, you will need north of 40-45 GPH I think with
that carb at WOT or it will lean out. Not a disaster in a NA case it just won't pull
as string as it could at high rpms or under instant loads.

 

You also need a electronic Ignition see you are using the one with the points.

 

Do you know of a good thread to read on that modifcation tonka? i do have a bit of a rough idle does going EI improve that? Will try to post video.

 

Look for posts by Jeff20B or look at the thread in my signature. A DFIS system will make a world
of difference in how it runs.

 

Thank you.

 

Do your direct fire with points

 

Hey Qingdao, was just searching some distributor swap threads do you have direct fire with points set up?

 

I think he was just messin with you. Use an FB dizzy, its the best one for any ignition.

 

Yeah now I see was reading some old threads last night, good stuff.