Yes. It's the target for the feedback system. Manifold vacuum to the vacuum advance will make more NOx at idle. It will also run cooler at idle.
This is a good point. Any feedback system will only approach the setpoint when gain is finite. Approach, not reach. You'd expect to miss the...
Yep, the 225, 300, 340 and 350 are all essentially the same design. Crop the front 2 cylinders from a 300 and you have a 225. Good suggestion to...
Random thoughts. Plug looks whitish in your picture. I would do a highway run if I was going to evaluate the color. Cold or low speed could be...
This is the only replacement output housing for the Dana 20 that I know of....
Mmm. May be easier to remove the #1 spark plug and listen. Use a remote starter switch. Compression stroke will make a rush of air out the spark...
Welcome. Year, model, equipment? This forum is for technical questions about CJs 1972 and newer. There are several TSM (technical service...
Suspect you won't have a choice with a F134.
Regard the engine build date in November 1974 - see section 1B in the '74 TSM. Note that November of 1974 is in the 1975 model year. The build...
NP. Starting at the top, 7=74, 11=Nov, H=304 V8, 04=day 5350863=Jeep PN, 373=ratio, 41 11= ring&pinion tooth count, 41/11=3.73 999638=PN,...
There are posts in the help topics that say something about this issue. You might look there if you are still having trouble. Unfortunately there...
As described above, the forum will provide free hosting for your pictures, but only to a limited picture size. If you use a digital camera, it...
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