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HELP new sound 7 days before i leave!

 
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83Z28BlackBetty
Bam-Ba-Lam


Joined: 13 Mar 2006
Posts: 2083
Location: Aloha

1983 Chevrolet Camaro Z/28
PostPosted: Mon Aug 31, 2009 10:31 am    Post subject: HELP new sound 7 days before i leave! Reply with quote
Hey all, so this weekend my car started making a new sound that i don't like only a week before i make the big road trip and it has me freaked out!

Its making a loud ticking sound under load. I'm thinking something with lifters? the ticking is much softer while idling and coasting, but gets louder while accelerating. It varies with RPM's.

The car still feels like its running strong, no power loss, just ticking. Confused

I've tightened my header bolts but the sound persists.

HELP!
~JAKE
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1983 Z-28 5.7 LT1, T56, Headman headers, BW 9 Bolt Posi Disc, WS6 suspension
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aaron_sK
Member


Joined: 23 Jan 2006
Posts: 8834
Location: Back in beautiful Tacompton

1987 Chevrolet Camaro IROC-Z
PostPosted: Mon Aug 31, 2009 11:54 am    Post subject: Reply with quote
Is it metal-on-metal, or softer? Does it backfire when you let it run down in gear? If your worried about the bearings, dump the oil and check for silver in it.
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Twilightoptics
Hardcore (12sec Club)


Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA

1987 Chevrolet Camaro IROC-Z
PostPosted: Mon Aug 31, 2009 12:02 pm    Post subject: Reply with quote
Sounds like an exhaust leak. Collected or Header. Even though you tightened the bolts once it's leaked much it can take out the gasket. Especially if you used the cheapo paper gaskets that come with the headers. They burn out in 6 months on their own.

Start the car ice cold and run your hand around the flanges to feel for leaks.
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iansane
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Joined: 16 Jan 2004
Posts: 5742
Location: Bothell

1991 Pontiac Trans Am
PostPosted: Mon Aug 31, 2009 4:03 pm    Post subject: Reply with quote
Twilightoptics wrote:
Sounds like an exhaust leak.


Werd, yo. Sounds exactly like an exhaust leak.
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Twilightoptics
Hardcore (12sec Club)


Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA

1987 Chevrolet Camaro IROC-Z
PostPosted: Wed Sep 02, 2009 3:48 pm    Post subject: Reply with quote
Verdict?
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