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Topic: Changed Cat still chirps....Update

in Forum: C3 Fuel, Emission Control, and Exhaust Systems

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Re: Changed Cat still chirps.... (6/16)
5/14/12 12:24pm

yostusota
Former Member
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518

The blue smoke is a mis fire...probably the bad plugs did this..and the skip..if it doesn't smoke at start up it's probably sticking rings...the ethanol won't be the culprit here so the additives won't help that..there are cleaners you can put in the cylinders that eat the carbon off the rings and loosen them up and seal tight but I don't know how the general guy would get his hands on it...I may have a few cans laying around I can mail to you though..might I suggest a leak down test and see where the leak is...yeah missing the gathering stinks but at least you can put new wires and plugs on it..get a set from Lectric limited..they are awesome! Let me know if you want that cleaner.

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Re: Changed Cat still chirps.... (7/16)
5/14/12 1:57pm

ebo

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Holland Patent, NY - USA

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#1 *1980 White, Red interior 14,000 mile #2 *1980 Red, Oyster interior 93,000 miles Resto project car, rebuilt to 383 stroker

Joined: 6/3/2008
Posts: 4421

Thanks Rich, just got the rest of the plugs out, drivers side is easy the front two on pass are near impossible to get at.

Smoke was only when it shut down when the coil melted. Does not smoke that I can notice.

Only one plug was fouled with ash rest looked pretty normal. If I do have that one cylinder giving me trouble at least its easy to get to!

ebo

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ebo

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Re: Changed Cat still chirps....UPDATE (8/16)
5/28/12 5:16pm

ebo

Heh had one good thing happen yesterday.....had Alt checked and there is nothing wrong with it, working just fine. He said with only 19k it would look like new inside, said bring it back when you have another 60K on it.

ebo

|UPDATED|5/28/2012 2:16:16 PM (AZT)|/UPDATED|

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ebo

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Re: Changed Cat still chirps.... (9/16)
5/28/12 5:21pm

ebo

OK saved today to put the plugs back in the car, went in much easier than expected.

started it up and it sounded pretty good. Let it get warm and took it out for a spin, no hesitation, no skips, no chirping sound (have no clue how a bad plug would cause that).

Also when in reverse no whistle......so nice to have it running good again!

ebo

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ebo

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Re: Changed Cat still chirps....Update (10/16)
5/28/12 7:51pm

Jaws79

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Sykesville, MD - USA

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Joined: 4/27/2008
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Good to hear, Al! You gotta get it all straightened out for the season! Hope to see you soon!

Barry

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Re: Changed Cat still chirps....Update (11/16)
5/28/12 8:31pm

yostusota
Former Member
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518

I just changed my plugs Sunday night..mine ran bad once it got hot..definitely a bad plug for me..glad yours is back up and running smooth..I feel a cruise coming on!

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My first parade at Carlisle 2010

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Re: Changed Cat still chirps....Update (12/16)
5/28/12 8:45pm

ebo

yostusota said: I just changed my plugs Sunday night..mine ran bad once it got hot..definitely a bad plug for me..glad yours is back up and running smooth..I feel a cruise coming on!

Your Good Rich! Just refreshed the Vette's at the beach. You should come up this year.....so much has changed in a year my friend!
Evil Smile

ebo

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ebo

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Re: Changed Cat still chirps....Update (13/16)
5/29/12 3:27am

yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518

Date and place..I can't remember last year.

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My first parade at Carlisle 2010

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Re: Changed Cat still chirps....Update (14/16)
5/29/12 12:16pm

ebo

Here you go Rich

https://www.c3vr.com/vrforums/message_go.asp?MID=417298&title=2012-vettes-the-beach

|UPDATED|5/29/2012 9:16:49 AM (AZT)|/UPDATED|

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ebo

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Re: Changed Cat still chirps.... (15/16)
5/29/12 12:57pm

Adams' Apple

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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

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ebo said: OK saved today to put the plugs back in the car, went in much easier than expected.

started it up and it sounded pretty good. Let it get warm and took it out for a spin, no hesitation, no skips, no chirping sound (have no clue how a bad plug would cause that).

Also when in reverse no whistle......so nice to have it running good again!

ebo

Am it possible, Mr. Albo, that one(or more) of yer plugs were loose? A loose plug could cause the noises you were hearin...an engine miss could also create a chirp from an exhaust leak, if you have/had one.

Just throwing stuff out dere.... Wink

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Re: Changed Cat still chirps....Update (16/16)
5/29/12 2:16pm

ebo

Joel did not notice any loose plugs, but the one was fouled fer sure, all I know is it's all good now and I hope to NOT have tweety in the car for a while......

Life Is Good!

ebo

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ebo

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