Carb Jetting

[Jax]

Managed to install the dual wideband on my car.

WOT A/F is in the 10.0 to 10.5.
Primary Jets 84
Secondary Jets 96

My understanding is that for my set up being naturally aspirated an A/F ratio 12.2 to 12.8 is fine.

If that is the case, approximately how many numbers should I lean the mixture to reach that?

 

[Frank Mopar]

10 jets each

 

[MOPAROFFICIAL]

What cfm carb is this?
Way too much jet lol

 

[Demonracer]

What carburetor are you running, and what all has been modified on it?

 

[mopowers]

What do the plugs look like?

 

[Jax]

1050 CFM Carb

 

[middleagecrisis]

Running octane booster?

 

[Jax]

Running octane booster?

Running mix of VP C12 fuel and 95 Octane pump gas.

 

[PRH]

If the part throttle cruise a/f numbers aren’t too far from where you want to be, you could try replacing the PV’s(if it has them) with a plug.
Then the wot would get leaner without having much happen at part throttle.

Of course if it’s just rich everywhere……start pulling some jet out.

Ultimately you would like to be jetting for best power, which means: chassis dyno, track time, or a draggy.