Wow!! What a difference!! I put this mod in last night and it has definately made a difference in the idle as well as not having to pump the gas to start the jeep anymore. The throttle response is better overall as well. I HIGHLY recommend for stock 258 owners!!
86 CJ7 Laredo- '98 4.0L , '94 Fuel Injection and Electronics, 2 1/2" skyjacker, 3/4" Rock Crusher shackle , 1" body lift, T5, DANA 300, D30 front w/Aussie locker , amc 20 rear w/Aussie locker and Moser axles, 3.31 gears, and 32" BFG MT's.