v8dats Posted January 5, 2006 Share Posted January 5, 2006 sorry guys its not a z but its an sbc with an H.E.I distributor? couple of days ago i drove the car from st pete to orlando about 2 hours. the car ran great. before the voyage i put on a new cap,rotor,wires the plugs were pretty new. i drove the car to work today and it ran just fine. aftert work i let the car idle for about 10 minutes while it warmed up and while i was on the phone. when i drive thru the parking lot it was fine. when i pulled out on to the street it started to missfire at mid rpm.an hour after work i test drove it again and it was still at it. so i went to the parts store and got new plugs and a fuel additive(just incase, car sat for a few months) i pulled the plugs and they were a little lean. but not too bad.i replaced them anyways. i took the car for a drive and it was great! it pulled all the way thru the rpms with no problems. i pulled a u turn to head back home and it starts to act up again.i checked to see if my plug wires came loose but they werent. the distributor is not looseand it has me stumped. the only thing that i can GUESS is that maybe the ignition module is starting to heat up and act up. is there anything else that i should look for? anybody else experience something like this with an H.E.I? Quote Link to comment Share on other sites More sharing options...
A. G. Olphart Posted January 5, 2006 Share Posted January 5, 2006 Since it sat for a while, the problem might be crud in the gas tank/ fuel system; hanging a U turn could have caused it to act up by stirring things... . Quote Link to comment Share on other sites More sharing options...
280zwitha383 Posted January 5, 2006 Share Posted January 5, 2006 the only thing that i can GUESS is that maybe the ignition module is starting to heat up and act up.is there anything else that i should look for? anybody else experience something like this with an H.E.I? I don't know what to tell you about the problem you are having, but if you take the module off and have it tested make sure and put the dialectic grease on it when you put it back together otherwise it will burn up for sure (assuming you didn't already know that). You should probably check and make sure your rotor isn't loose because a loose rotor will always stir things up a bit. Quote Link to comment Share on other sites More sharing options...
v8dats Posted January 5, 2006 Author Share Posted January 5, 2006 thanks guys i'll pull the cap and take a look in there. i know that the distributor is looking kinda sad and dirty inside . i just got another one and am waitng for it to get here. its brand new. i changed the fuel filter this morning and it is still acting up. thanks again. Quote Link to comment Share on other sites More sharing options...
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