Got twin pipes all the way back.

One would have to install a second sensor, and rig up some way to get tandem reading, a picture of all six at the same time, on one gage. Not sure how to do that at the moment.

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67' Dart GT Convertible; the old Chrysler Corp.
82' LeBaron Convertible; the new Chrysler Corp
07' 300 C AWD; Now by Fiat, the old new Chrysler LLC

Now, yer talkin. I have jetted for lowest green (rich) light at WOT, and have gotten best ET's. I'd leave it there. W/o cam change, I'd say you are spot on.

Lou

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Home of Slant6-powered fun machines since 1988

Lou:
Before the snow hit last night, I made a couple of pulls on my local red neck dyno at the turn-around at the end of my street. There is a fine selection of surfaces to choose; from nice clean asphalt to sand & gravel, and 600 feet of straight slightly up hill road to let her rip before nearing the neighbors.

After this last jetting round, the car seemed to be more snappy off the line. Power braking yielded same lazy take off as usual, with a bit of wheel spin. However starting in second gear form a stop with light braking, than mashing the accelerator through the fire wall, felt like it took off much more aggressively.

I don’t know why this is, or it just just in my head. One would think launching from 2000 rpm while power braking would deliver a better response vs. 1100 rpm, which is just below where mechanical advance starts to kick in.

Once the snow goes… Yeah, when it goes… I’m thinking we are in for a bad winter this year, it ain’t starting out real well… I’ll drive the Dart a little more.

My next experiment is to solder up the drill holes in the throttle plates, to richen up idle readings, and double check secondary throttle plate’s air gap when closed. I had drilled the plates to get the idle mixture adjustment screws to work at about two turns out, and closed throttle plate’s position out of the transition slots. Or, should I be talked out of this idea?

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67' Dart GT Convertible; the old Chrysler Corp.
82' LeBaron Convertible; the new Chrysler Corp
07' 300 C AWD; Now by Fiat, the old new Chrysler LLC