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-   -   Major problem with LS1 help needed please (https://www.camaroz28.com/forums/ls1-based-engine-tech-19/major-problem-ls1-help-needed-please-509401/)

Kraest 03-22-2007 08:30 AM


Originally Posted by ponykiller z28 (Post 4491957)
ok this is where i stand...

as stated above, i did a compression test and got only 30psi on the 5th cylinder.... now to figure out exactly what has happened....

There is no engine noise and i have great oil pressure. It simply feels just like i pulled off the plug wire to the 5th cylinder. Nothing more, nothing less.(besides the smoke at idle and some accelerations) I feel like if it was something major in the lower end there would be some kind of noise and the car would run like ass. The motor seems to be very smooth with just a small miss until put on a heavy load in a higher gear w/ low rpm.

i'm praying to find the problem when i pull the valve cover.

Look a few posts up at what I said before. More than likely you blew the compression ring and ring landing = new piston and rings.

Meko Ruffin 08-07-2017 03:56 PM

Re: Major problem with LS1 help needed please
 
Did u ever figure this problem out ?

Injuneer 08-08-2017 11:27 AM

Re: Major problem with LS1 help needed please
 
Unfortunately, "ponykiller z28" has not signed into this site for more than 9 years.


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