Which Weber?

[mattsmaverick]

Has anyone had any experience with the Weber 38DGAS 2v carburetors? The 250 I6 I've built for my Maverick is modified for a weber 32/36, has been rebuilt with a 30 over bore, has a performance cam kit, and a 6 into 1 header. I picked up a rebuilt Weber 32/36 from Stovebolt back when I started this build, but from what little information I've been able to find it looks like the weber 38 might be a better option for me. Also does anyone know if the 38 will bolt up to the same plate as the 32/36?
Thanks.

 

[xctasy]

Yes, and yes.

The 38 DGES is a sensational carb which works as well as a 350 holley 2-bbl. But it has a few non negotiable requirements.

Its bolt pattern is the same as the 32/36 DGV and Holley 5200/5210/6500/6520.

Only issues are following the tune up rules. Make sure your ignition is 250/4.1 liter XE/XF Falcon spec with 9 degrees advance static, and 34 degrees total, all in by 3000 rpm. If you want to run more inital lead, like 16 degrres static on the balancer, you have to limit total advance to no more than 34 degrees total.

Electronic ignition, and the right plugs. Then either limit your fuel pump pressure by a regulator, or use a 0.5 mm blead back line from the line opposite the inlet line, and run it back to the tank. Alternative is a the Australian Ford Falcon XE/XF Carter furl pump whihc has the lines all sorted.

After that, use similar recommended jetting to the Jeep 258/4200 with this carb.

 

[falcon fanatic]

Yes, I've been running this carb for eight years and it has been awesome. My only complaint is that is sometimes dies on left hand turns because it is really meant to be mounted with the float bowl in the back and not on the side. Very driveable and smooth with great power all the way to 6000rpm on my engine. I use a wideband o2 sensor for tuning. That makes the whole process really easy since you have three different jets you'll probably fuss with (idle, main, and air corrector). It's not necessary, but it sure helps.