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Old 10-30-2013, 11:36 AM   #1
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94 z28 running rough & rattling

I have a 94 z28 with 161000 miles, it has started to hesitate upon acceleration and the engine is making a rattling sound, could a head gasket be the cause of this?
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Old 10-30-2013, 05:32 PM   #2
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Re: 94 z28 running rough & rattling

hard to tell what the noise is without hearing your car
Do you have water in the oil ? Or lots of water vapor coming out the exhaust ?
you can do a pressure test on the coolant system to see if you have any leaks
when is the last time you changed the plugs ? could be spark knock
94 Z28 68xxx miles c.a.i ,full exhaust no cats, headers vigilant 2800 stall converter 3:73 gears, shift kit ,sub frame connectors 1.6rr with supporting mods ..
dyno tune @296rwhp. 1/8mile??? coming soon. " waxer "
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Old 11-06-2013, 05:11 PM   #3
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Re: 94 z28 running rough & rattling

Duplicate topic, cross-posted on two forums.
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