well i just changed the 2 o2 sensors, checked the egr valve and set the tps to 1. the egr valve was actually fine, cleaned it out anyway though. the tps was higher than what it should be but is fine now at idle and WOT. I dorve it arouns for a while and the check engine lioght did NOT come on. so i am guessing it was the o2 sensors. however, I did NOT disconnect the neg battery terminal (forgot to). will this matter for gas mileage or anything? should i disconnect the cable for a few minutes now? thanks,
jim
PS side question. when checking the timing. it reads about 14 with the spout connector off. when it is on, it reads close to 20- is this normal? i know that when you change the timing, the connector should be off. OR should i have the spout connector off when checking and then turn the car off, THEN reconnect it? WTF i cannot remember from doing it last year!
jim
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OLD CAR-89 lx convt- Flowtech II headers, H-pipe, 2 1/2 "flowmasters- pulleys- 3.73's, ripper shifter- ram air- Best 1/4 mile time- a measley 14.2 at 98.6 
PRESENT CAR- 90 LX BBK long tubes, h-pipe with cats, flowmasters. 3.55's holley systemax II kit- 70 mm TB 30#injectors, jacobs ignition, black magic fan, 180 thermostat, 75 shot of NOS- NITTO DR'S
STREET TIRE BEST RUNS
1/4 mile13.2 @112 w/ NOS 2.17 60'
13.5 @103 2.1 60'
*new time with Dr's 12.8 at 111 w/ 75 shot
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