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Ls1 no compression misfire**

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Old Feb 27, 2009 | 08:44 PM
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Default Ls1 no compression misfire**

I took my camaro to the shop after a misfire on cylinder 7 came up...they tested the compression and there was none on cylinder 7. i noticed there is a little why air coming out the exhaust and milky stuff on the radiator stick...

could it be just a headgasket to fix the problem??? or valve issues..
how much is the cost to rebuild heads??...just trying to be able to drive it again and find the cheapest solution

any help would be appreciated thanks!
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Old Feb 27, 2009 | 09:11 PM
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In order from cheapest to most expensive:

1. Blown head gasket
2. Cracked head
3. Hole in piston or broken rings
3. Cracked block

You will not know for sure until you tear it down and start looking.

How much do you consider "cheap", because none of those are going to be "cheap" to fix by most people's standards.
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Old Feb 27, 2009 | 10:55 PM
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Im going to work on it tomorrow start inspecting hopefully its just the gasket..more white air is coming out the exhaust
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Old Feb 27, 2009 | 11:30 PM
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just sounds like a head gasket to me, you should prolly see why it has blown out of broken also while its apart
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Old Feb 27, 2009 | 11:42 PM
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Originally Posted by Dan Stewart
In order from cheapest to most expensive:

1. Blown head gasket
2. Cracked head
3. Hole in piston or broken rings
4. Cracked block

You will not know for sure until you tear it down and start looking.

How much do you consider "cheap", because none of those are going to be "cheap" to fix by most people's standards.
#1 is cheap (about $100) if you are capable of fixing it yourself. Stock heads are a dime a dozen and cheap. Piston/rings done properly start costing. Iwon't even get into the cracked block.......
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Old Feb 27, 2009 | 11:49 PM
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Sounds good..i dont think itll be a cracked block...i already started checking out stock heads just in case found some used ones on ebay...i'll keep you guys updated.
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Old Mar 4, 2009 | 12:46 AM
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milky stuff in radiator and white smoke out exhaust says coolant leak. water in oil makes white and burnt coolant makes white smoke.
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