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XSFTLBS
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PostSubject: who wants to make a little money?   Fri Aug 12, 2011 9:34 pm

Alright, im in over my head. I replaced some seals on the timing cover of the Camaro last weekend, and the radiator. NOW, i have a misfire again.Sad. I can hear a sharp snapping noise from the drivers side, like a plug arcing, but cant see anything at all sparking. I replaced all the plug wires on the drivers side tonight, and it still snaps and misfires. All the plugs are tight, all the wires are in the proper order, and I have NO SES light on. It misses through the whole rpm range, and idles rough. Its a random miss, sometimes worse than others. I put my mechancs stethescope on it and everything sounds normal no matter where i put it, I cant hear the snapping with the stethescope at all. It idles rough too. If ANYBODY is available sat evening or Sunday, I will throw some money at you to help me find the problem. I dont have much, but I need this thing to run. I already have spark plugs sitting here... But mostly I need another set of eyes/ears. Any help would be awesome. Im not afraid to admit that im at the limit of my knowlege here, and I need help from someone more knowlegeable than me.

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PostSubject: Re: who wants to make a little money?   Fri Aug 12, 2011 9:54 pm

Sounds like a crack in the spark plugs insulator.

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PostSubject: Re: who wants to make a little money?   Fri Aug 12, 2011 10:05 pm

wait until it's dark out, and mist the engine with water out of a spray bottle. that's how i found my magic cock pony plug wire.

I do agree with ^^^^
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PostSubject: Re: who wants to make a little money?   Fri Aug 12, 2011 10:26 pm

Thanks, ill try that tonight.

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PostSubject: Re: who wants to make a little money?   Sat Aug 13, 2011 2:56 am

Welp, I sprayed around the engine bay tonight, and I found out that the coil wire is arcing pretty heavily. I also see a LITTLE light show on the passengers side plug wires, but nothing major. I still hear the snapping noise, but its not coming from the coil at all. I'll replace teh coil wire and we'll see how she goes. I also have a new set of OVC wires and holders coming next week... MSD 8.5MM wires and center bolt holders. I'll do plugs at that time I guess.

I also didn't see any arcing around the plugs themselves....and I didn't have time to pull them to check for cracks. I'll update when I get to that tomorrow.

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PostSubject: Re: who wants to make a little money?   Sun Aug 14, 2011 5:37 pm

wow. Alright, I think i may have found a couple issues.

Header bolts on the drivers side were loose, 2 out of the 8 were barely finger tight. I noticed that 1 of the plugs on the drivers side was completely different.... and I know why. Its an absolute pain in the ass to get out, like next to impossible. I think it is the number 5 plug? Its the third one back on the drivers side anyways, and the damn primary is so tight to it that you have to contort yourself to get at it. THEN I broke the fucker trying to get it out, snapped the insulator straight off. The damn thing is an old Autolite Platinum plug, where the other 3 on that side are visibly newer autolite coppers. I had to loosen the header bolts to get room to get it out. So much for the plugs all being changed when I got it.... but whatever. Time to go back out and fight with it some more, hopefully that was the issue and I don't run into anything else along the way. I'll post pics later.

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PostSubject: Re: who wants to make a little money?   Sun Aug 14, 2011 7:11 pm

Stay strong! Smile

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PostSubject: Re: who wants to make a little money?   Sun Aug 14, 2011 8:04 pm

Wait until you put the plugs back in. Thats fun too.

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PostSubject: Re: who wants to make a little money?   Sun Aug 14, 2011 8:22 pm

If you want some advice on the lt1 shit, send pm on the 1320.
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PostSubject: Re: who wants to make a little money?   Sun Aug 14, 2011 9:03 pm

Replace all of those shit Autolite plugs with AC Delco's.
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PostSubject: Re: who wants to make a little money?   Sun Aug 14, 2011 9:12 pm

Thanks guys. I got all the drivers side plugs back in and all, and fired it up. but its still misfiring. The only arcing I can see is the coil wire, so I'll be replacing that tonight to see how it goes. Part of the problem is the shit Vatozone wires I have on the car. I have that OVC MSD set on the way, so that will help tons.

FWIW, I put in a set of NGK TR55's since they seem to be the plug of choice on LTX and LS1 Tech for the LT1. Are the AC Delco's any better? I did notice something odd at the last moment. The opti vac harness has great vacuum after the one way valve and the restrictor, but it's NOT pulling any perceptible vac through the other line like it's supposed to. I'll have to look into that tomorrow. Overall, I made some progress today and found out what it ISN'T.

It's definitely a misfire, you can hear it when held at about 3K in park, and the car smells real rich, and will smoke a bit when given a good rev. I'll get it figured out, if it kills me. Smile

MT, I'll send you a PM tonight over there, Thanks!

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PostSubject: Re: who wants to make a little money?   Sun Aug 14, 2011 9:49 pm

Smile

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PostSubject: Re: who wants to make a little money?   Sun Aug 14, 2011 11:03 pm

Are you sure the noise isn't coming from under the valve cover?

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PostSubject: Re: who wants to make a little money?   Sun Aug 14, 2011 11:22 pm

I really want to say I told you so, but im not going to.
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PostSubject: Re: who wants to make a little money?   Mon Aug 15, 2011 2:06 am

347 LX wrote:
Are you sure the noise isn't coming from under the valve cover?


Yep, 100% sure. That's why i got an automotive stethoscope. It works pretty good.... I found the rattle under the passengers side valve cover a few weeks ago. I think the "Snapping" noise was an exhaust leak that the header flange, because since I re-tightened everything I don't hear it anymore. Still Misses, but its not sounding like it was.



LL- But... you just said it. You aren't adding anything to this topic at all, so please keep your comments to yourself. I thought you would have learned that by now...

Schiller- Don't even start. See my comment to LL.


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PostSubject: Re: who wants to make a little money?   Mon Aug 15, 2011 2:27 am

why do you call him LL? his name is James

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PostSubject: Re: who wants to make a little money?   Mon Aug 15, 2011 12:04 pm

?? I thought it was cool?? Last name James...
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PostSubject: Re: who wants to make a little money?   Mon Aug 15, 2011 5:37 pm

Pete's spot on.

Strokey, it's a joke. I thought you would get that by now
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PostSubject: Re: who wants to make a little money?   Mon Aug 15, 2011 5:43 pm

Sorry, Not in a joking mood about the car at the moment. I'm sure you can understand that.

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PostSubject: Re: who wants to make a little money?   Mon Aug 15, 2011 5:48 pm

Not really. I always joke about my cars when theyre broken. Try making fun of my wagon. It only runs on one cylinder. Sounds like a tractor
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PostSubject: Re: who wants to make a little money?   Fri Aug 19, 2011 10:21 am

lmao, another ignition problem, welcome to the world of lt1 bliss. Just changed plugs on mine and my miss is gone. but it was one huge pain in the ass.

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PostSubject: Re: who wants to make a little money?   Fri Aug 19, 2011 12:21 pm

LOL yeah, no shit. I'm waiting on some parts in the mail ATM, so as soon as those come in its tear down time again! At least its drivable for now.

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