Eat, Sleep, Jeep
Join Date: Mar 2004
Location: Chesterfield VA
Before you go to far, black smoke is totally seperate from vac issues. If you have vac probs, or clogged idle tubes it'll run rough, not product black smoke.
So on the vac/nutter part. First, cheapest thing is to go to AZ, buy about 20 ft of vac line(s) replace every one of them. Get an assortment of "t"s and m-m couplers also. As these tubes age they crack along the sides, and have small leaks. Individually not too bad, but collectively they add up. Replace them all.
If you want to go with the nutter bypass, (I did) it is pretty easy. All your left with is vac advance to the distributer/axle disconnect, brake booster and the cross flow stuff for the PVC. Definately makes it much easier to tune, more torque and better idle. However you will not pass emissions and possibly not inspection if you have that in your state.
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