Idle issue (long)
New to me, 1983 CJ7 with the 258, and T5. I gutted the wireing and computer based on what I was reading here. I did the Nutter...cap, adaptor, rotor, wires, plugs gapped at 45, bypass, and coil...all new from NAPA. Even a new box on the fender, from NAPA. Ran good except for the old Carter. Even after setting the needles, just not right, bad idle, rich, vac leak ect. I redid the vaacum lines with new hose, PVC, breather, oil cap and grommets, PCV to carb t'd to canister, distributor to ported vac on carb, carb vac to cto t'd to egr and canister. Bowl vent to can, tank to can. Ran better.
Since then though, something happened to the setup. Now it sounds flat, like fouled plugs, except they are reading good and clean.
The only thing I did before the fouling type sound and flat performance is...I put new fuel hose on to replace the PO's rotted hose, corrected filter position, and removed the choke houseing and spring, then put it back on, it is not hooked up to power, and has not been since I got it.
Since then I also tightened up the exhaust / intake bolts (loose) and installed new bolts, nuts, and lockwashers on exhaust pipe flange (loose), set timing 8 degrees, idle is set at 680 with dist vac disconnected and plugged. Mixture got better after I lightly seated screws, backed out about 5 complete turns, and adjusted from there. Nice warm exhaust feel (read that here). Idles much better, but when I work the throttle, it stumbles, and sounds flat or fouled. When I take it around the block, it runs, doesn't stall at stop signs or when I let off the gas, but no pep like before it started sounding flat, almost like no advance. Im perplexed. I also experimented and plugged all vac ports except ported to dist, and pcv, taking out the connection to the cto, egr, and purge signal to canister. No change, still flat sounding.
BTW...I do have a new MC2150 inbound from the ebay guy out of CO, should be here any day now.
What do I check next?