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I’ve also checked timing, it’s set how the emissions label says, 8* btdc with vacuum advanced unplugged. I’ll have to rent one of those compression testers also. I think I have a fuel pressure guage lying around somewhere. Thanks again.
Okay, I’ll test the voltage with all the accessories on tomorrow. I tried blocking the brake booster with a plug at the manifold, but no difference. The truck does have that famous exhaust leak on the passenger side manifold though. Not sure how to test for strong spark at idle, guess I’ll have to get one of those spark testers.
Got the alternator tested by my good friends at Orileys. It tested out perfect, so now I’m not really sure what it is. I haven’t replaced the carburetor base gasket yet, probably do that tomorrow. But I’m out of ideas, I could go through the whole ignition system, replacing the ignition coil, the pickup coil, the ICM, but I get the same question, will it stop my misfire? Hope someone has an answer for me, I’m kinda stuck. Thanks again.
Thanks for replying so fast. I took a smoke machine and tested for vacuum leaks and found a little one, got it plugged but not difference. As for the charging system, i have noticed that at night with the lights on they are really dim at idle, then i raise the rpm to about 1200 and the lights get way brighter. Bad alternator? would that cause the misfire at idle you think? Again thanks for replying.